1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
|
/*
* UP.C
*
* User Profile routines
*
* These are the routines which read and write INI files.
*
* Exported routines:
*
* GetProfileString
* GetPrivateProfileString
* GetProfileInt
* GetPrivateProfileInt
* WriteProfileString
* WritePrivateProfileString
*
* Note the parameter "lpSection" used to be known as "lpApplicationName".
* The code always referred to sections, so the parameter has been changed.
*
* Rewritten 6/90 for C 6.0.
*/
#include "kernel.h"
/*
* Required definitions for exported routines:
*/
#define API _far _pascal _loadds
HANDLE API IGlobalAlloc(WORD, DWORD);
HANDLE API IGlobalFree(HANDLE);
LPSTR API IGlobalLock(HANDLE);
HANDLE API IGlobalReAlloc(HANDLE, DWORD, WORD);
BOOL API IGlobalUnlock(HANDLE);
/* #pragma optimize("t", off) */
/* This ensures that only one selector is required in PMODE */
#define MAXBUFLEN 0xFFE0L
#define SPACE ' '
#define TAB '\t'
#define LINEFEED '\n'
#define CR '\r'
#define SECT_LEFT '['
#define SECT_RIGHT ']'
#define CTRLZ ('Z'-'@')
/* Constants for WriteProfileString - DON'T CHANGE THESE */
#define NOSECTION 0
#define NOKEY 1
#define NEWRESULT 2
#define REMOVESECTION 3
#define REMOVEKEY 4
/* Flags about a file kept in ProInfo
* If the PROUNCLEAN label is changed, its value must also be
* changed in I21ENTRY.ASM, where it is assumed to be 2.
*/
#define PROCOMMENTS 1 /* contains comments */
#define PROUNCLEAN 2 /* has not been written */
#define PROMATCHES 4 /* buffer matches disk copy */
#define PROREADONLY 8 /* Read only file */
#define PRO_CREATED 16 /* File was just created */
/* Sharing violation. */
#define SHARINGVIOLATION 0x0020
/* For forcing variables into the current code segment */
#define CODESEG _based(_segname("_CODE"))
/* Hide disgusting _based syntax */
#define BASED_ON_LP(x) _based((_segment)x)
#define BASED_ON_SEG(x) _based(x)
#define SEGMENT _segment
/* Externals assumed to be in DGROUP */
extern PROINFO WinIniInfo;
extern PROINFO PrivateProInfo;
extern LPSTR lpWindowsDir;
extern int cBytesWinDir;
extern int WinFlags;
extern char fBooting;
extern char fProfileDirty;
extern char fProfileMaybeStale;
extern char fAnnoyEarle;
extern char fBooting;
extern LPSTR curDTA;
extern BYTE fWriteOutProfilesReenter;
/* Forward definitions to keep compiler happy */
/* _fastcall may save some space on internal routines */
LPSTR _fastcall BufferInit(PROINFO *, int);
LPSTR _fastcall LockBuffer(PROINFO *);
void _fastcall UnlockBuffer(PROINFO *);
LPSTR _fastcall FreeBuffer(PROINFO *);
LPSTR _fastcall PackBuffer(PROINFO *, int, int);
void _fastcall FlushDirtyFile(PROINFO *);
int GetInt(PROINFO *, LPSTR, LPSTR, int);
int GetString(PROINFO *, LPSTR, LPSTR, LPSTR, LPSTR, int);
LPSTR FindString(PROINFO *, LPSTR, LPSTR);
LPSTR FindSection(LPSTR, LPSTR);
LPSTR FindKey(LPSTR, LPSTR);
int WriteString(PROINFO *, LPSTR, LPSTR, LPSTR);
void strcmpi(void);
int MyStrlen(void);
void API WriteOutProfiles(void);
PROINFO * SetPrivateProInfo(LPSTR,LPSTR);
int GetSection(PROINFO*, LPSTR, LPSTR, int);
int IsItTheSame(LPSTR, LPSTR);
int Cstrlen(LPSTR);
int MakeRoom(LPSTR, int, int*);
int InsertSection(LPSTR, LPSTR, short);
int InsertKey(LPSTR, LPSTR, short);
int InsertResult(LPSTR, LPSTR, short);
int DeleteSection(LPSTR, PROINFO*);
int DeleteKey(LPSTR, PROINFO*);
/* External KERNEL routines */
void _far _pascal FarMyLower();
int API lstrOriginal(LPSTR,LPSTR); /* lstrcmp in disguise */
#ifdef DBCS
// Delacred in kernel.h already
// void _far _pascal AnsiPrev(LPSTR,LPSTR);
void _far _pascal FarMyIsDBCSLeadByte();
#endif
char CODESEG WinIniStr[] = "WIN.INI";
/* DOS FindFirst/FindNext structure (43h, 44h) */
typedef struct tagFILEINFO
{
BYTE fiReserved[21];
BYTE fiAttribute;
WORD fiFileTime;
WORD fiFileDate;
DWORD fiSize;
BYTE fiFileName[13];
} FILEINFO;
/*
* Get[Private]ProfileInt
*
* Parameters:
* lpSection Pointer to section to match in INI file
* lpKeyName Pointer to key string to match in file
* nDefault Default value to return if not found
* [lpFile File to use for Private INI]
*
* Returns:
* nDefault section/keyname not found
* number found in file if section/keyname found
*/
int API
IGetProfileInt(lpSection, lpKeyName, nDefault)
LPSTR lpSection;
LPSTR lpKeyName;
int nDefault;
{
int nReturn;
/* Make sure we don't try to flush INI files on DOS calls */
++fWriteOutProfilesReenter;
/* Reread INI file first if necessary */
FlushDirtyFile(&WinIniInfo);
nReturn = GetInt(&WinIniInfo, lpSection, lpKeyName, nDefault);
--fWriteOutProfilesReenter;
return nReturn;
}
int API
IGetPrivateProfileInt(lpSection, lpKeyName, nDefault, lpFile)
LPSTR lpSection;
LPSTR lpKeyName;
int nDefault;
LPSTR lpFile;
{
PROINFO *pProInfo;
char Buffer[128];
int nReturn;
/* Make sure we don't try to flush INI files on DOS calls */
++fWriteOutProfilesReenter;
pProInfo = SetPrivateProInfo(lpFile, (LPSTR)Buffer);
/* Reread INI file first if necessary */
FlushDirtyFile(pProInfo);
nReturn = GetInt(pProInfo, lpSection, lpKeyName, nDefault);
--fWriteOutProfilesReenter;
return nReturn;
}
/*
* Get[Private]ProfileString
*
* Parameters:
* lpSection Pointer to section to match in INI file
* lpKeyName Pointer to key string to match in file
* lpDefault Default string to return if not found
* lpResult String to fill in
* nSize Max number of characters to copy
* [lpFile] File to use for Private INI
*
* Returns:
* string from file or lpDefault copied to lpResult
* < nSize - 2 Number of characters copied to lpResult
* nSize - 2 lpResult was not big enough
*/
int API
IGetProfileString(lpSection, lpKeyName, lpDefault, lpResult, nSize)
LPSTR lpSection;
LPSTR lpKeyName;
LPSTR lpDefault;
LPSTR lpResult;
int nSize;
{
int nReturn;
/* Make sure we don't try to flush INI files on DOS calls */
++fWriteOutProfilesReenter;
/* Reread INI file first if necessary */
FlushDirtyFile(&WinIniInfo);
nReturn = GetString(&WinIniInfo, lpSection, lpKeyName, lpDefault,
lpResult, nSize);
--fWriteOutProfilesReenter;
return nReturn;
}
int API
IGetPrivateProfileString(lpSection, lpKeyName, lpDefault, lpResult, nSize, lpFile)
LPSTR lpSection;
LPSTR lpKeyName;
LPSTR lpDefault;
LPSTR lpResult;
int nSize;
LPSTR lpFile;
{
PROINFO *pProInfo;
char Buffer[128];
int nReturn;
/* Make sure we don't try to flush INI files on DOS calls */
++fWriteOutProfilesReenter;
pProInfo = SetPrivateProInfo(lpFile, (LPSTR)Buffer);
/* Reread INI file first if necessary */
FlushDirtyFile(pProInfo);
nReturn = GetString(pProInfo, lpSection, lpKeyName, lpDefault,
lpResult, nSize);
--fWriteOutProfilesReenter;
return nReturn;
}
/*
* Write[Private]ProfileString
*
* Parameters:
* lpSection Pointer to section to match/add to INI file
* lpKeyName Pointer to key string to match/add to file
* lpString String to add to file
* [lpFile] File to use for Private INI
*
* Returns:
* 0 Failed
* 1 Success
*/
int API
IWriteProfileString(lpSection, lpKeyName, lpString)
LPSTR lpSection;
LPSTR lpKeyName;
LPSTR lpString;
{
int nReturn;
/* Make sure we don't try to flush INI files on DOS calls */
++fWriteOutProfilesReenter;
/* Reread INI file first if necessary */
FlushDirtyFile(&WinIniInfo);
nReturn = WriteString(&WinIniInfo, lpSection, lpKeyName, lpString);
--fWriteOutProfilesReenter;
return nReturn;
}
int API
IWritePrivateProfileString(lpSection, lpKeyName, lpString, lpFile)
LPSTR lpSection;
LPSTR lpKeyName;
LPSTR lpString;
LPSTR lpFile;
{
PROINFO *pProInfo;
char Buffer[128];
int nReturn;
/* Make sure we don't try to flush INI files on DOS calls */
++fWriteOutProfilesReenter;
pProInfo = SetPrivateProInfo(lpFile, (LPSTR)Buffer);
/* Reread INI file first if necessary */
FlushDirtyFile(pProInfo);
nReturn = WriteString(pProInfo, lpSection, lpKeyName, lpString);
--fWriteOutProfilesReenter;
return nReturn;
}
/* FlushDirtyFile
* Rereads a file if it has been "dirtied" by another task. To
* see if the file has been dirtied, we check the time/date
* stamp.
*/
void _fastcall FlushDirtyFile(PROINFO *pProInfo)
{
FILEINFO FileInfo;
DWORD dwSaveDTA;
/* We only have to do this if the file COULD have changed and
* that we already have something cached. Also, there's
* no need to do this at boot time because this is a
* safeguard against the USER doing something bad!
*/
if (fBooting || !fProfileMaybeStale || !pProInfo->lpBuffer)
return;
/* The OFSTRUCT in the PROINFO buffer should have the most recent
* date and time when the file was opened. We just compare the
* current date and time to this.
*/
_asm
{
;** Save old DTA and point to our structure
mov ah,2fh ;Get DTA. Int21 code calls DOS only
int 21h ; if necessary. DTA in ES:BX
jc RDF_FlushIt ;Problem, so better flush it
mov WORD PTR dwSaveDTA[2],es ;Save for later
mov WORD PTR dwSaveDTA[0],bx
mov ah,1ah ;Set DTA
push ds ;Can't do a SetKernelDS so push/pop
push ss ;Get SS=DS
pop ds
lea dx,FileInfo ;Point DTA to our structure
int 21h ;Set the DTA
pop ds
jc RDF_FlushIt ;Problem, so just flush it
;** Do a FindFirst on the file to get date and time reliably
xor cx,cx ;Normal file
mov si,pProInfo ;Point to pathname with DS:DX
lea dx,[si].ProBuf
add dx,8 ;(offset of szPathName)
mov ah,4eh ;Find first
int 21h ;Call DOS
jc RDF_FlushIt ;Can't find, so better flush it
;** Put DTA back
push ds
lds dx,dwSaveDTA ;DS:DX points to old DTA
mov ah,1ah
int 21h
pop ds
;** Compare the date and time
lea bx,FileInfo ;Point to FILEINFO
mov dx,ss:[bx + 24] ;Date in FILEINFO structure
mov cx,ss:[bx + 22] ;Tile in FILEINFO structure
mov si,pProInfo ;Point to OFSTRUCT with DS:SI
lea si,[si].ProBuf
cmp [si + 4],dx ;Same date as original?
jne RDF_FlushIt ;No
cmp [si + 6],cx ;Same time as original?
je RDF_NoFlush ;No
}
/* Force a file reread */
RDF_FlushIt:
FreeBuffer(pProInfo);
RDF_NoFlush:
/* Clear the dirty flag */
fProfileMaybeStale = 0;
}
/*
* SetPrivateProInfo
*
* Force a private profile into the windows directory if necessary.
* Check if it is the same file as is currently cached.
* If not, discard the cached file.
* Sets up the PrivateProInfo data structure.
*
* Parameters:
* lpFile Pointer to filename to be used as a profile
* Buffer Buffer to parse filename into
*
* Returns:
* PROINFO * Pointer to information about ini file
*/
PROINFO *
SetPrivateProInfo(lpFile, Buffer)
LPSTR lpFile;
LPSTR Buffer;
{
OFSTRUCT NewFileBuf;
char c;
char fQualified = 0;
char BASED_ON_LP(lpFile) *psrc;
int Count = 0;
/* Get rid of annoying warnings with this ugly cast */
psrc = (char BASED_ON_LP(lpFile)*)(WORD)(DWORD)lpFile;
/* For those who insist on using private routines for WIN.INI */
if ( lstrOriginal(lpFile, (LPSTR)WinIniStr) == 0
|| lstrOriginal(lpFile, WinIniInfo.ProBuf.szPathName) == 0 ) {
return(&WinIniInfo);
}
/*
* Following code is from ForcePrivatePro
*
* If the filename given is not qualified, we force
* it into the windows directory.
*/
#ifdef DBCS
_asm {
;Apr.26,1990 by AkiraK
cld
push ds ;save kernel DS
xor ax,ax
mov bx,'/' shl 8 + '\\' ; '/' or '\'
xor dx,dx
lds si,lpFile ; first get length of string
mov cx,si
mov al,ds:[si]
call FarMyIsDBCSLeadByte
jnc fpp_s1
cmp byte ptr ds:[si+1],':' ;
jnz fpp_s1
inc dx
fpp_s1:
fpp_l1:
lodsb
or al,al
jz fpp_got_length
cmp al,bh
jz fpp_qualified
cmp al,bl
jz fpp_qualified
fpp_s2:
call FarMyIsDBCSLeadByte
jc fpp_l1
inc si
jmp fpp_l1
fpp_qualified:
inc dx
jmp fpp_s2
fpp_got_length:
;; mov fQualified, dx
mov fQualified, dl ; a byte variable
sub si, cx
mov Count, si
pop ds ;recover kernel DS
}
#else
/* Drive specified? */
if ( *(psrc+1) == ':' )
fQualified++;
while ( c = *psrc++ ) {
/* Look for path separators */
if ( c == '/' || c == '\\' )
fQualified++;
Count++;
}
#endif
/*
* Now copy filename to buffer.
* Prepend Windows directory if not qualified.
*/
_asm {
cld
push ds
les di, Buffer ; Destination is Buffer
cmp fQualified, 0
jnz Qualified
mov cx, cBytesWinDir ; Pick up Windows directory
lds si, lpWindowsDir
rep movsb ; Copy it
mov al, '\\'
cmp es:[di-1], al ; BUG FIX: if in root, don't
je Qualified ; add separator
stosb ; Add path separator
Qualified:
lds si, lpFile ; Now add Filename we were given
mov cx, Count
inc cx ; Allow for NULL
rep movsb
pop ds
}
#ifdef NOTNOW
if ( !fBooting && fQualified ) {
/*
* Use OpenFile to generate pathname for
* comparison with the cached pathname.
* OF_EXIST ensures we get a complete pathname
* We cannot use OF_PARSE, it does not search the path.
* We only do this if the pathname we were given was
* qualified since in other cases we force the file
* into the windows directory and therefore know
* that Buffer contains the complete pathname.
*/
NewFileBuf.szPathName[0] = 0;
OpenFile(Buffer, &NewFileBuf, OF_EXIST);
}
#endif
/* Now see if the filename matches the cached filename */
_asm {
cld
xor cx, cx
lea si, word ptr [PrivateProInfo.ProBuf] ; Cached INI OFSTRUCT
mov cl, [si].cBytes
lea si, word ptr [si].szPathName ; Cached filename
sub cx, 8 ; Get its length
UseOriginal: ; Use the filename they gave us
les di, Buffer ; while booting
xor bl, bl
call strcmpi ; Ignore case while booting
jmp short DoWeDiscardIt
JustCompare:
; Not booting, compare OFSTRUCTS
; Note OpenFile forced upper case
push ss
pop es ; NewFileBuf is on SS
lea di, word ptr NewFileBuf.szPathName[0];
rep cmpsb ; Compare filenames
DoWeDiscardIt:
jz WeHaveItCached ; Don't discard if names match
}
/*
* The cached file is not the right one,
* so we discard the saved file.
*/
FreeBuffer(&PrivateProInfo);
WeHaveItCached:
/* Save pointer to FileName - buffer may have been discarded */
PrivateProInfo.lpProFile = Buffer;
return(&PrivateProInfo);
}
/*
* GetInt - search file and return an integer
*
* Parameters:
* pProInfo Pointer to information on the INI file
* lpSection Pointer to section to match in INI file
* lpKeyName Pointer to key string to match in file
* nDefault Default value to return if not found
*
* Returns:
* see GetProfileInt
*/
int
GetInt(pProInfo, lpSection, lpKeyName, nDefault)
PROINFO *pProInfo;
LPSTR lpSection;
LPSTR lpKeyName;
int nDefault;
{
LPSTR lpResult;
lpResult = FindString(pProInfo, lpSection, lpKeyName);
if (lpResult) {
/* We found a string, convert to int */
register int c;
int radix = 10;
BOOL fNeg = FALSE;
// Skip spaces
while (*lpResult == ' ' || *lpResult == '\t')
++lpResult;
nDefault = 0;
while ((c = *lpResult++) != 0) {
// Watch for change in sign
//
if (c == '-') {
fNeg = !fNeg;
continue;
}
// Lower case the character if it's a letter.
//
if (c >= 'A' && c <= 'Z')
c += ('a' - 'A');
// deal with hex constants
//
if (c == 'x') {
radix = 16;
continue;
}
c -= '0';
if (c > 9)
c += '0' - 'a' + 10;
if (c < 0 || c >= radix)
break;
nDefault = nDefault * radix + c;
}
if (fNeg)
nDefault = -nDefault;
}
UnlockBuffer(pProInfo);
return(nDefault);
}
/*
* GetString - Search file for a specific Section and KeyName
*
* Parameters:
* pProInfo Pointer to information on the INI file
* lpSection Pointer to section to match in INI file
* lpKeyName Pointer to key string to match in file
* lpDefault Default string to return if not found
* lpResult String to fill in
* nSize Max number of characters to copy
*
* Returns:
* see GetProfileString
*/
GetString(pProInfo, lpSection, lpKeyName, lpDefault, lpResult, nSize)
PROINFO *pProInfo;
LPSTR lpSection;
LPSTR lpKeyName;
LPSTR lpDefault;
LPSTR lpResult;
int nSize;
{
int nFound;
LPSTR lpFound;
if ( !lpKeyName ) {
nFound = GetSection(pProInfo, lpSection, lpResult, nSize);
if ( nFound == -1 )
goto CopyDefault; /* Yes, I know! */
} else {
lpFound = FindString(pProInfo, lpSection, lpKeyName);
if ( lpFound )
lpDefault = lpFound;
CopyDefault:
_asm {
xor ax, ax ; Return value
cmp word ptr lpDefault[2], 0 ; Check for null default
je SavedMe
les di, lpDefault
call MyStrlen ; Returns length in CX
; Fix for #10907 -- Used to GP fault on zero length str.
or cx,cx ; No characters in string?
je strdone
#ifdef DBCS
; Get last character behind terminator
push si
les si, lpDefault ; SI = front of string
gps_dbcs_l1:
mov al, es:[si]
call FarMyIsDBCSLeadByte
cmc
adc si, 1
cmp si, di
jb gps_dbcs_l1
pop si
#else
add di, cx
mov al, es:[di-1] ; Final character in string
#endif
les di, lpDefault
cmp cx, 2 ; strlen > 2
jb strdone
; Strip off single and double quotes
mov ah, es:[di]
cmp ah, al ; First character == last character?
jne strdone
cmp al, '\''
je strq
cmp al, '"'
jne strdone
strq:
sub cx, 2 ; Lose those quotes
inc di
strdone:
; CX has length of string
mov dx, nSize
dec dx ; Allow for null
cmp cx, dx ; See if enough room
jbe HaveRoom
mov cx, dx
HaveRoom:
cld
push ds
push es
pop ds
mov si, di ; DS:SI has string to return
les di, lpResult
mov ax, cx ; Save length of string
rep movsb ; Copy the string
mov byte ptr es:[di], 0 ; Null terminate the string
pop ds
SavedMe:
mov nFound, ax ; We will return this
}
}
UnlockBuffer(pProInfo);
return(nFound);
}
/*
* GetSection - find a section and copy all KeyNames to lpResult
*
* Parameters:
* pProInfo pointer to info on the file
* lpSection pointer to the section name we want
* lpResult where the KeyNames will go
* nSize size of lpResult buffer
*
* Returns:
* int Number of characters copied, -1 for failure
*/
int
GetSection(pProInfo, lpSection, lpResult, nSize)
PROINFO *pProInfo;
LPSTR lpSection;
LPSTR lpResult;
int nSize;
{
LPSTR lp;
lp = BufferInit(pProInfo, READ);
if ( !lp )
return(-1); /* No buffer, (no file, no memory etc.) */
nSize--; /* Room for terminating NULL */
lp = FindSection(lp, lpSection);
if ( !lp )
return(-1);
_asm {
push ds
lds si, lpResult ; DS:SI is where we store the result
les di, lp ; ES:DI points to the section in buffer
xor dx, dx ; Count of characters in the result
KeyNameLoop:
mov bx, di ; Save start of line
cmp es:[di], ';' ; Is this a comment line?
jne KeyNameNextCh ; no, check this line out
cld
mov cx, -1
mov al, LINEFEED
repne scasb ; Skip to end of the line
jmp KeyNameLoop
KeyNameNextCh:
mov al, es:[di] ; Get next character
#ifdef DBCS
call FarMyIsDBCSLeadByte
cmc ; if the char is lead byte of DBCS,
adc di, 1 ; then di += 2, else di += 1
#else
inc di
#endif
cmp al, '='
je FoundEquals
cmp al, LINEFEED
je KeyNameLoop ; Ignore lines without an '='
cmp al, SECT_LEFT
je EndSection ; Done if end of section
or al, al ; or if end of buffer (NULL)
jne KeyNameNextCh ; On to the next character
jmp EndSection
FoundEquals:
mov di, bx ; Back to the start of the line
CopyLoop:
mov al, es:[di] ; Pick up next character in line
inc di
cmp al, '=' ; Is it the '='?
jne LeaveItAlone
xor al, al ; yes, replace with NULL
LeaveItAlone:
mov [si], al ; Put it in the result string
inc dx ; Number of characters in the result
inc si
cmp dx, nSize ; Overflowed?
jb NoProblem
dec dx ; yes, ignore this character
dec si
NoProblem:
#ifdef DBCS
call FarMyIsDBCSLeadByte
jc NoProblem1
mov al, es:[di]
inc di
mov [si], al
inc dx
inc si
cmp dx, nSize
jb NoProblem1
dec si
dec dx
NoProblem1:
#endif
or al, al ; Was this the '='
jne CopyLoop
SkipLine:
mov al, es:[di] ; Skip the rest of the line
inc di
cmp al, LINEFEED
jne SkipLine
jmp KeyNameLoop
EndSection:
mov byte ptr [si], 0 ; Terminate with NULL
or dx, dx ; Did we copy anything?
jz NothingFound ; no, no hack
#ifdef DBCS
;AnsiPrev API has been moved to USER and it is not the
;right time to invoke any USER's APIs as we might be called
;while USER is still on the bed.
; push dx
; push word ptr lpResult[2]
; push word ptr lpResult[0]
; push ds
; push si
; call AnsiPrev
; mov si, ax
; mov byte ptr [si], 0
; mov byte ptr [si+1], 0
; pop dx
;-----------------------------------------------------------
push es
push di
push bx
les di,lpResult ;string head
ScanLoop:
mov bx,di ;"prev" char position
mov al,es:[di]
call FarMyIsDBCSLeadByte
cmc
adc di, 1 ;+2 if DBCS, +1 if not
cmp di,si ;have we hit the point yet?
jb ScanLoop ;nope,
;The output of this routine looks like:
;<name 1>,0,<name2>,0,.... <name n>,0,0
; the very last 0 tells the end of story.
mov es:[bx],0 ;this is safe
mov es:[bx+1],0 ;Hmmmmm
pop bx
pop di
pop es
#else
mov byte ptr [si-1], 0 ; Hack - if we hit nSize, we
#endif
; and extra NULL
NothingFound:
pop ds
mov nSize, dx
}
return(nSize);
}
/*
* FindString - look for section name and key name
*
* Parameters:
* pProInfo Pointer to info on the file
* lp Pointer to the buffer containing the file
* lpSection Pointer to the section name we are looking for
* lpKeyName Pointer the the KeyName we want
*
* Returns:
* LPSTR Pointer to the start of the result string
* NULL for failure
*/
LPSTR
FindString(pProInfo, lpSection, lpKeyName)
PROINFO *pProInfo;
LPSTR lpSection;
LPSTR lpKeyName;
{
LPSTR lp;
if ( lp = BufferInit(pProInfo, READ) )
if ( lp = FindSection(lp, lpSection) )
lp = FindKey(lp, lpKeyName);
return(lp);
}
/*
* FindSection - look for a section name enclosed in '[' and ']'
*
* Parameters:
* lp Pointer to the buffer containing the file
* lpSection Pointer to the section name we are looking for
*
* Returns:
* LPSTR Pointer to the start of the section for success
* NULL for failure
*/
LPSTR
FindSection(lp, lpSection)
LPSTR lp;
LPSTR lpSection;
{
WORD wCount;
WORD wTrailCount;
WORD fLead;
LPSTR lpstr;
WORD wSegLen;
/* Remove leading whitespace from section names and compute
* a length count that doesn't include trailing whitespace.
* We use this below to force a TRUE compare even though
* the stupid program put garbage on the end.
*/
for (lpstr = lpSection, fLead = 1, wCount = wTrailCount = 0 ;
*lpstr ; ++lpstr)
{
/* If we haven't passed leading space yet... */
if (fLead)
{
if (*lpstr == SPACE || *lpstr == TAB)
++lpSection;
else
{
fLead = 0;
++wCount;
++wTrailCount;
}
}
/* Otherwise this might be trailing space... */
else
{
/* wCount always has correct count, wTrailCount
* never counts whitespace until another
* character is encountered. This allows
* a count of characters excluding trailing
* whitespace.
*/
++wCount;
if (*lpstr != SPACE && *lpstr != TAB)
wTrailCount = wCount;
}
}
wCount = wTrailCount;
_asm {
lsl cx,WORD PTR lp[2] ; Get max possible search len
mov wSegLen,cx ; Save for quick access later
push ds
les di, lp
SectionLoop:
cmp byte ptr es:[di], SECT_LEFT ; ie '['
jne NotThisLine
inc di ; Skip the '['
;** Check the length of the string
push di ; Save because we're going to trash
mov cx,wSegLen ; Get segment length
sub cx,di ; Subtract off the distance into seg
mov dx,cx ; Save in DX
mov al,SECT_RIGHT ; Stop when we encouter this
#ifdef DBCS
;SECT_RIGHT is a legal DBCS second byte
;and we have to emulate DBCS "repne scasb" here.
fsScanSectRight:
dec cx ;
jz fsScanFinish ; reach to end of segment
scasb ;
je fsScanFinish ; find it!
call FarMyIsDBCSLeadByte
jc fsScanSectRight
inc di ; skip DBCS 2nd byte
dec cx
jnz short fsScanSectRight
fsScanFinish:
#else
repne scasb ; Compare until we find it
#endif
sub dx,cx ; Get true string len
dec dx
pop di
cmp dx,wCount ; Same length?
jne NotThisLine
;** Now compare the strings. Note that strcmpi returns a
;** pointer just past the failed char
lds si, lpSection
mov bl, SECT_RIGHT ; Compare up to '['
call strcmpi
je HereItIs
;** Even if we failed, it might match less trailing whitespace
sub ax,di ; Get length at first mismatch
cmp ax,wCount ; Make sure we mismatched at end
jne NotThisLine ; We didn't so get out
add di,ax ; Bump pointers to end
add si,ax
mov al,es:[di - 1] ; Compare last chars
cmp al,ds:[si - 1] ; Do they match?
jne NotThisLine ; Yes
HereItIs:
mov al, LINEFEED ; Skip the rest of the line
mov cx, -1
repne scasb ; Scans ES:[DI]
mov ax, di
mov dx, es ; Return pointer to section
jmp FoundIt
NotThisLine:
mov al, LINEFEED ; Skip the rest of the line
mov cx, -1 ; Scans ES:[DI]
repne scasb
cmp byte ptr es:[di], 0 ; End of the file?
jne SectionLoop ; nope, continue
xor ax, ax
xor dx, dx ; Return 0
FoundIt:
pop ds
}
}
/*
* FindKey - Find a KeyName given a pointer to the start of a section
*
* Parameters:
* lp Pointer to start of a section
* lpKeyName Pointer the the KeyName we want
*
* Returns:
* LPSTR Pointer to the string following the KeyName
* NULL if KeyName not found
*/
LPSTR
FindKey(lp, lpKeyName)
LPSTR lp;
LPSTR lpKeyName;
{
WORD wCount;
WORD wTrailCount;
WORD fLead;
LPSTR lpstr;
WORD wSegLen;
/* Remove leading whitespace from key names and compute
* a length count that doesn't include trailing whitespace.
* We use this below to force a TRUE compare even though
* the stupid program put garbage on the end.
*/
for (lpstr = lpKeyName, fLead = 1, wCount = wTrailCount = 0 ;
*lpstr ; ++lpstr)
{
/* If we haven't passed leading space yet... */
if (fLead)
{
if (*lpstr == SPACE || *lpstr == TAB)
++lpKeyName;
else
{
fLead = 0;
++wCount;
++wTrailCount;
}
}
/* Otherwise this might be trailing space... */
else
{
/* wCount always has correct count, wTrailCount
* never counts whitespace until another
* character is encountered. This allows
* a count of characters excluding trailing
* whitespace.
*/
++wCount;
if (*lpstr != SPACE && *lpstr != TAB)
wTrailCount = wCount;
}
}
wCount = wTrailCount;
_asm {
push ds
mov ax, word ptr lpKeyName
or ax, word ptr lpKeyName[2]
jz NoMatch ; Return zero if lpKeyName is 0
lsl cx,WORD PTR lp[2] ; Get max possible search len
mov wSegLen,cx ; Save for quick access later
les di, lp
;** See if we're at the end of the section
FindKeyNext:
mov al,es:[di] ; Get next character
or al,al
jz NoMatch ; End of the file
cmp al,SECT_LEFT
je NoMatch ; End of the section
cmp al,CR ; Blank line?
je NotThisKey ; Yes, skip this one
;** Check the length of the string
push di ; Save because we're going to trash
mov cx,wSegLen ; Get segment length
sub cx,di ; Subtract off the distance into seg
mov dx,cx ; Save in DX
mov al,'=' ; Stop when we encouter this
repne scasb ; Compare until we find it
sub dx,cx ; Get true string len
dec dx
pop di
cmp dx,wCount ; Same length?
jne NotThisKey
;** Now compare the strings. Note that strcmpi returns a
;** pointer just past the failed char.
mov bl,'=' ; Compare until we hit this
lds si,lpKeyName
call strcmpi
mov bx,di ; Save DI value for below
mov di,ax
je FoundKey
;** Even if we failed, it might match less trailing whitespace
sub ax,bx ; Get length at first mismatch
cmp ax,wCount ; Make sure we mismatched at end
jne NotThisKey ; Lengths at mismatch must match
add bx,ax ; Bump pointers to end
add si,ax
mov al,es:[bx - 1] ; Get last char that should match
cmp al,ds:[si - 1] ; Does it match?
je FoundKey ; Yes
NotThisKey:
mov al, LINEFEED
mov cx, -1
repne scasb ; Scan to the end of the line
jmp FindKeyNext
NoMatch:
xor ax, ax
xor dx, dx
jmp AndReturn
FoundKey:
inc di ; Skip the '='
mov ax, di ; Return the pointer
mov dx, es
AndReturn:
pop ds
}
}
/*
* MyStrlen - returns length of a string excluding trailing spaces and CR
*
* Paremeters:
* ES:DI pointer to string
*
* Returns:
* CX number of characters in string
*
*/
int
MyStrlen()
{
_asm {
; SPACE, CR, NULL never in DBCS lead byte, so we are safe here
push ax
mov cx, di ; CX = start of string
dec di
str1:
inc di
mov al, es:[di] ; Get next character
cmp al, CR
ja str1 ; Not CR or NULL
str2:
cmp di, cx ; Back at the start?
jbe str3 ; yes
dec di ; Previous character
cmp byte ptr es:[di], SPACE
je str2 ; skip spaces
inc di ; Back to CR or NULL
str3:
cmp es:[di], al
je maybe_in_code ; PMODE hack
mov es:[di], al ; Zap trailing spaces
maybe_in_code:
neg cx ; Calculate length
add cx, di
pop ax
}
}
/*
* Cstrlen - returns length of a string excluding trailing spaces and CR
* This is a C callable interface to MyStrLen
*
* Paremeters:
* lp pointer to string
*
* Returns:
* number of characters in string
*
*/
int
Cstrlen(lp)
LPSTR lp;
{
_asm {
xor di, di ; Persuade compiler to save DI
les di, lp
call MyStrlen
mov ax, cx
}
}
/*
* strcmpi - internal case insensitive string compare
*
* Parameters:
* ES:DI & DS:SI Strings to be compared
* BL Character to terminate on
* DS:SI is null terminated
*
* Returns:
* ZF indicates strings equal
* AX pointer to next character in ES:DI string
* or failed character in case of mismatch
*/
void
strcmpi()
{
_asm {
#ifdef DBCS
;Apr.26,1990 by AkiraK
; Copied directly from USERPRO.ASM
sti_l1:
mov al,es:[di]
cmp al,bl
jz sti_s1
call FarMyLower
mov cl,al
mov al,ds:[si]
call FarMyLower
inc si
inc di
cmp al,cl
jnz sti_exit
call FarMyIsDBCSLeadByte
jc sti_l1
mov al,es:[di]
cmp al,ds:[si]
jnz sti_exit
inc si
inc di
jmp short sti_l1
sti_s1:
mov al,ds:[si]
or al,al
sti_exit:
mov ax, di
#else
stci10:
mov al,es:[di] ; Get next character
cmp al,bl ; Character to terminate on?
jnz stci15 ; no, compare it
mov al,[si] ; yes, strings equal if at end
or al,al
jmp stciex
stci15:
call FarMyLower ; Ensure both characters lower case
mov cl,[si]
xchg al,cl
call FarMyLower
inc si
inc di
cmp al,cl ; Still matching chars?
jz stci10 ; Yes, go try the next char.
stciex:
mov ax,di ; Return pointer to next character
#endif
}
}
/*
* BufferInit
*
* Parameters:
* pProInfo Pointer to structure describing an INI file
* OpenFlags READ_WRITE if we are writing to the file
*
* Returns:
* Pointer to start of buffer on success
* (LPSTR)0 Failure
*
* Open or create the INI file as necessary
* Get a buffer in memory for the file
* Read the INI file into the buffer
* Strip unwanted spaces comments and ^Zs from the buffer
*/
LPSTR _fastcall
BufferInit(pProInfo, OpenFlags)
PROINFO *pProInfo;
int OpenFlags;
{
LPSTR BufAddr;
long llen;
unsigned short len;
int fh;
int hNew;
BYTE byLastDrive; /* Cache last drive read from */
/* Ensure we have a handle for the buffer */
if ( pProInfo->hBuffer == 0 )
return(0L);
/* If the buffer is already filled, return */
if ( (BufAddr = LockBuffer(pProInfo)) != (LPSTR)NULL )
return(BufAddr);
pProInfo->ProFlags = 0;
/* Remember the last drive read from to see if we have to reread
* the cluster size.
*/
byLastDrive = *pProInfo->ProBuf.szPathName;
if ( pProInfo == &PrivateProInfo ) {
/* Open a PRIVATE profile */
fh = OpenFile(pProInfo->lpProFile, &pProInfo->ProBuf, READ_WRITE+OF_SHARE_DENY_WRITE);
if ( fh == -1 ) {
/* Attempt to open for read. */
if ( !OpenFlags ){
pProInfo->ProFlags |= PROREADONLY;
fh = OpenFile(pProInfo->lpProFile, &pProInfo->ProBuf, READ+OF_SHARE_DENY_WRITE);
/* If this fails, try compatibility mode. */
if ( (fh == -1) && (pProInfo->ProBuf.nErrCode == SHARINGVIOLATION) ){
fh = OpenFile(pProInfo->lpProFile, &pProInfo->ProBuf, READ);
}
}else{
/* If the open failed and we are writing, silently create the file.
* If the open failed because of sharing violation, try compatibility mode instead.
*/
if ( pProInfo->ProBuf.nErrCode != SHARINGVIOLATION ){
OpenFlags |= OF_CREATE;
}
fh = OpenFile(pProInfo->lpProFile, &pProInfo->ProBuf, OpenFlags);
}
}
} else {
/* Open WIN.INI */
if ( OpenFlags )
OpenFlags |= OF_CREATE;
if ( pProInfo->ProBuf.cBytes ) {
/* If previously found, reopen, don't create */
OpenFlags |= OF_REOPEN+OF_PROMPT|OF_CANCEL|OF_SHARE_DENY_WRITE;
OpenFlags &= ~OF_CREATE;
}
fh = OpenFile(pProInfo->lpProFile, &pProInfo->ProBuf, OpenFlags|READ_WRITE);
if ( (fh == -1) && !(OpenFlags & (READ_WRITE|OF_CREATE)) ) {
pProInfo->ProFlags |= PROREADONLY;
fh = OpenFile(pProInfo->lpProFile, &pProInfo->ProBuf, OpenFlags+OF_SHARE_DENY_WRITE);
}
/* Sharing violation. Let's try compatibility mode. */
if ( (fh == -1) && ( pProInfo->ProBuf.nErrCode == SHARINGVIOLATION ) ){
OpenFlags &= ~OF_SHARE_DENY_WRITE;
fh = OpenFile(pProInfo->lpProFile, &pProInfo->ProBuf, OpenFlags);
}
}
pProInfo->FileHandle = fh;
/* If we are using a different drive than the last call or this is
* the first time, clear cluster size so we reread it on next
* call to WriteString.
*/
if (byLastDrive != *pProInfo->ProBuf.szPathName)
pProInfo->wClusterSize = 0;
if ( fh == -1 )
goto ReturnNull;
/* Seek to end of file, allow for CR, LF and NULL */
llen = _llseek(fh, 0L, 2);
if (!llen)
pProInfo->ProFlags |= PRO_CREATED;
llen += 3;
if ( llen > MAXBUFLEN )
llen = MAXBUFLEN; /* Limit to plenty less than 64k */
/* Now get a buffer */
hNew = IGlobalReAlloc(pProInfo->hBuffer, llen, GMEM_ZEROINIT);
if ( !hNew ) {
ReturnNull:
return( pProInfo->lpBuffer = (LPSTR)0 );
}
/* And now read in the file */
pProInfo->hBuffer = hNew;
LockBuffer(pProInfo);
_llseek(fh, 0L, 0); /* Seek to beginning of file */
*(int _far *)pProInfo->lpBuffer = 0x2020; /* Bogus spaces */
len = _lread(fh, pProInfo->lpBuffer, (short)llen-3);
if ( len == -1 ) {
UnlockBuffer(pProInfo);
return( FreeBuffer(pProInfo) );
}
if ( len < 2 )
len = 2; /* Prevent faults in PackBuffer */
return( PackBuffer(pProInfo, len, OpenFlags & READ_WRITE) );
}
/*
* LockBuffer - Lock the buffer containing the file. Make it
* moveable and non-discardable.
* Instead of locking the buffer, we're just going to make it
* non-discardable and moveable. This is preferable to locking it
* because all we really care about is that it doesn't get discarded.
*
* Parameter:
* pProInfo Pointer to info describing INI file
*
* Returns:
* LPSTR Pointer to buffer containing file
*/
LPSTR _fastcall
LockBuffer(pProInfo)
PROINFO *pProInfo;
{
/* We only have to lock the block if it's marked dirty. Otherwise
* it's already unlocked.
*/
if (!(pProInfo->ProFlags & PROUNCLEAN))
{
/* Make the block non-discardable */
IGlobalReAlloc(pProInfo->hBuffer, 0L,
GMEM_MODIFY + GMEM_MOVEABLE);
/* All we need here is to dereference the handle. Since
* this block is now non-discardable, this is all that
* IGlobalLock() really does.
*/
pProInfo->lpBuffer = IGlobalLock(pProInfo->hBuffer);
IGlobalUnlock(pProInfo->hBuffer);
}
return pProInfo->lpBuffer;
}
/*
* UnlockBuffer - unlock the buffer, make it discardable and close the file.
* We don't really have to unlock the buffer (we weren't before anyway
* even though the comment says so)
*
* Parameter:
* pProInfo Pointer to info describing INI file
*
* Returns:
* nothing
*/
void _fastcall
UnlockBuffer(pProInfo)
PROINFO *pProInfo;
{
int fh;
if (!(pProInfo->ProFlags & PROUNCLEAN))
IGlobalReAlloc(pProInfo->hBuffer, 0L, GMEM_DISCARDABLE+GMEM_MODIFY);
fh = pProInfo->FileHandle;
pProInfo->FileHandle = -1;
if (fh != -1)
_lclose(fh);
}
/*
* FreeBuffer - discards the CONTENTS of a buffer containing an INI file
*
* Parameter:
* pProInfo Pointer to info describing INI file
*
* Returns:
* (LPSTR)0
*/
LPSTR _fastcall
FreeBuffer(pProInfo)
PROINFO *pProInfo;
{
if ( pProInfo->ProFlags & PROUNCLEAN )
WriteOutProfiles();
/* Make the buffer discardable */
IGlobalReAlloc(pProInfo->hBuffer, 0L, GMEM_DISCARDABLE+GMEM_MODIFY);
/* Make it zero length, shared, moveable and below the line */
IGlobalReAlloc(pProInfo->hBuffer, 0L, GMEM_MOVEABLE);
pProInfo->ProFlags = 0;
return( pProInfo->lpBuffer = (LPSTR)0 );
}
/*
* PackBuffer - strip blanks comments and ^Zs from an INI file
*
* Parameters:
* pProInfo Pointer to info describing INI file
* Count Number of characters in the buffer
* writing Flag indicating we are writing to the file
*
* Returns:
* LPSTR Pointer to the packed buffer
*
* NOTE: The use of Count here is DUMB. We should stick a NULL
* at the end, check for it and toss all the checks on Count.
*/
LPSTR _fastcall
PackBuffer(pProInfo, Count, fKeepComments)
PROINFO *pProInfo;
int Count;
int fKeepComments;
{
LPSTR Buffer;
char BASED_ON_LP(Buffer) *psrc;
char BASED_ON_LP(Buffer) *pdst;
char BASED_ON_LP(Buffer) *LastValid;
char nextc;
Buffer = pProInfo->lpBuffer;
psrc = pdst = (char BASED_ON_LP(Buffer)*)(WORD)(DWORD)Buffer;
if ( WinFlags & WF_PMODE )
fKeepComments = 1;
if ( fKeepComments )
pProInfo->ProFlags |= PROCOMMENTS;
while ( Count ) {
/* Strip leading spaces and tabs */
nextc = *psrc;
if ( nextc == SPACE || nextc == TAB ) {
/* TAB or SPACE never in lead byte of DBCS, so loop is safe */
Count--;
psrc++;
continue;
}
/* Process non-blanks */
LastValid = pdst;
do {
nextc = *psrc++;
Count--;
/* Strip comments if real mode and not writing */
if ( nextc == ';' && !fKeepComments ) {
while ( Count && nextc != LINEFEED ) {
/* LINEFEED never in lead byte of DBCS, so loop is safe */
nextc = *psrc++;
Count--;
}
break;
}
/* Copy this character */
*pdst++ = nextc;
#ifdef DBCS
if ( Count && CIsDBCSLeadByte(nextc) ) {
*pdst++ = *psrc++;
Count--;
}
#endif
if ( nextc == '=' ) {
/* Skip preceeding spaces and tabs */
pdst = LastValid;
/* New home for the '=' */
*pdst++ = nextc;
/* Skip spaces and tabs again */
while ( Count ) {
nextc = *psrc;
if ( nextc != SPACE && nextc != TAB )
break;
Count--;
psrc++;
}
/* Copy remainder of line */
while ( Count ) {
Count--;
/* LINEFEED never in lead byte of DBCS, so loop is safe */
if ( (*pdst++ = *psrc++) == LINEFEED )
break;
}
break;
}
/* End of file or line? */
if ( Count == 0 || nextc == LINEFEED )
break;
/* Strip trailing spaces */
if ( nextc == SPACE || nextc == TAB )
continue;
LastValid = pdst;
} while ( Count );
/* Here if end of line or file */
}
/* Here if end of file; skip trailing ^Zs */
for ( ; ; ) {
if ( pdst == Buffer )
break;
if ( *--pdst != CTRLZ ) {
pdst++;
break;
}
}
*pdst++ = CR;
*pdst++ = LINEFEED;
*pdst++ = 0;
IGlobalUnlock(pProInfo->hBuffer);
IGlobalReAlloc(pProInfo->hBuffer, (long)((LPSTR)pdst - Buffer), 0);
Buffer = LockBuffer(pProInfo);
pProInfo->BufferLen = (unsigned)pdst;
return(Buffer);
}
#ifdef DBCS
/*
* C interface to FarMyIsDBCSLeadByte
*
* Parameter:
* c character to be tested
*
* Returns:
* 1 It is a lead byte
* 0 It isn't a lead byte
*/
CIsDBCSLeadByte(c)
char c;
{
_asm {
mov al, c
call FarMyIsDBCSLeadByte
cmc ; Set carry if lead byte
mov ax, 0 ; Set return value to 0, preserve flags
adc al, 0 ; Set to one if carry set
}
}
#endif
/*
* WriteString
*
* Adds/deletes sections/lines in an INI file
*
* Parameters:
* pProInfo pointer to info on the file
* lpSection pointer to the section name we want
* lpKeyName key name to change or add
* NULL means delete section
* lpString string to add to file
* NULL means delete line
*
* Returns:
* bResult Success/Fail
*/
WriteString(pProInfo, lpSection, lpKeyName, lpString)
PROINFO *pProInfo;
LPSTR lpSection;
LPSTR lpKeyName;
LPSTR lpString;
{
LPSTR ptrTmp;
short WhatIsMissing;
short nchars;
short fh;
long fp;
short SectLen = 0;
short KeyLen = 0;
short ResultLen = 0;
SEGMENT BufferSeg;
register char BASED_ON_SEG(BufferSeg) *bp;
/* Debugging noise */
/* Assert that we have something to do! */
if ( (SEGMENT)lpSection == NULL && (SEGMENT)lpKeyName == NULL
&& (SEGMENT)lpString == NULL ) {
FreeBuffer(pProInfo); /* FEATURE! */
return(0);
}
/* If buffer does not already contain comments, free it */
if ( !(pProInfo->ProFlags & PROCOMMENTS) )
FreeBuffer(pProInfo);
/* Read the file into a buffer, preserving comments */
ptrTmp = BufferInit(pProInfo, READ_WRITE);
if ( !ptrTmp )
return(0);
/* Abort now if read only file */
if ( pProInfo->ProFlags & PROREADONLY )
goto GrodyError;
/* Set bp to point in buffer where we will add stuff */
BufferSeg = (SEGMENT)ptrTmp;
bp = pProInfo->BufferLen + (char BASED_ON_SEG(BufferSeg)*)
(WORD)(DWORD)ptrTmp - 1;
/*
* Now see what we have to do to the file by
* searching for section and keyname.
*/
nchars = 0;
/* See if section exists */
if ( !(ptrTmp = FindSection(ptrTmp, lpSection)) ) {
/* No Section. If deleting anything, stop now */
if ( !lpKeyName || !lpString )
goto NothingToDo;
/* Need to add section and keyname */
WhatIsMissing = NOSECTION;
} else {
/* Found the section, save pointer to it */
bp = (char BASED_ON_SEG(BufferSeg)*)(WORD)(DWORD)ptrTmp;
/* If lpKeyName NULL, delete the section */
if ( !lpKeyName ) {
WhatIsMissing = REMOVESECTION;
} else {
/* Look for the keyname in the section */
if ( !(ptrTmp = FindKey(bp, lpKeyName)) ) {
/* No KeyName, stop if deleting it */
if ( !lpString )
goto NothingToDo;
WhatIsMissing = NOKEY;
/* Insert new keyname
at the end of the section */
while ( *bp && (*bp != SECT_LEFT || *(bp-1) != LINEFEED) )
bp++;
} else {
/* Found the keyname, save pointer */
bp = (char BASED_ON_SEG(BufferSeg)*)
(WORD)(DWORD)ptrTmp;
/* NULL lpString means delete it */
if ( !lpString )
WhatIsMissing = REMOVEKEY;
else {
/*
* Compare the existing string with the
* string we are supposed to replace it
* with. If they are the same, there
* is no need to rewrite the file, so
* we abort now.
*/
if ( !IsItTheSame((LPSTR)bp, lpString) )
goto NothingToDo;
/*
* Count characters in old result.
* The file will be shrinking by
* this many characters.
*/
while ( *bp++ != CR )
nchars--;
bp = (char BASED_ON_SEG(BufferSeg)*)
(WORD)(DWORD)ptrTmp;
WhatIsMissing = NEWRESULT;
}
}
}
}
/*
* If we will be adding to the file, grow the buffer
* to the size we will need, then make an appropriate
* sized hole in the buffer.
*/
switch ( WhatIsMissing ) {
case NOSECTION:
/* Need to add section */
SectLen = Cstrlen(lpSection);
nchars = SectLen + 4; /* for []<CR><LF> */
/* Fall through for KeyName and result */
case NOKEY:
/* Need to add key name */
KeyLen = Cstrlen(lpKeyName);
nchars += KeyLen + 3; /* for =<CR><LF> */
/* For new key or section, skip back to previous line */
while ( bp > pProInfo->lpBuffer ) {
bp--;
if ( *bp != CR && *bp != LINEFEED )
break;
}
if ( bp != pProInfo->lpBuffer )
bp += 3;
/* Fall through for result */
/* If not at start of buffer, add room for extra CR/LF */
if ((WORD)bp && WhatIsMissing == NOSECTION)
nchars += 2;
case NEWRESULT:
/* Need to change/add result */
/* nchars may be -<current length of result> */
ResultLen = Cstrlen(lpString);
nchars += ResultLen;
/* Grow the buffer if necessary */
if ( nchars > 0 ) {
IGlobalUnlock(pProInfo->hBuffer);
fp = nchars + (long)pProInfo->BufferLen;
/* Ensure buffer will be plenty less than 64k */
/* and grow to new size */
if ( fp > MAXBUFLEN || !IGlobalReAlloc(pProInfo->hBuffer, fp, 0) ) {
/* Undo above Unlock */
IGlobalLock(pProInfo->hBuffer);
goto GrodyError;
}
pProInfo->lpBuffer = IGlobalLock(pProInfo->hBuffer);
BufferSeg = (SEGMENT)pProInfo->lpBuffer;
}
/* In order to fix bug #4672 and other ugly things
* that happen when we run out of disk space,
* we want to see if there is room to write the
* buffer. We know that the file can actually only
* grow on cluster boundaries, but rather than get
* the cluster size. If we don't have the cluster
* size yet, we have to get it from DOS.
*/
if (!pProInfo->wClusterSize)
{
WORD wTemp;
/* Get drive letter */
wTemp = *pProInfo->ProBuf.szPathName - 'A' + 1;
_asm
{
mov ah,1ch ;Drive parameters
mov dl,BYTE PTR wTemp
push ds
int 21h
pop ds
cmp al,0ffh ;Error?
jnz DPOk ;No
mov al,1
mov cx,512 ;Default
DPOk: cbw ;Secs per cluster WORD
mul cx ;AX = bytes/cluster
mov wTemp,ax
}
if (!wTemp)
pProInfo->wClusterSize = 512;
else
pProInfo->wClusterSize = wTemp;
}
/* Now see if we're going past a cluster length */
if ((pProInfo->ProFlags & PRO_CREATED) ||
(((pProInfo->BufferLen + nchars) ^ pProInfo->BufferLen)
& ~(pProInfo->wClusterSize - 1)))
{
int fh;
/* Make sure that we only do this once for a newly-
* created file because this will handle the
* growing to one cluster case.
*/
pProInfo->ProFlags &= ~PRO_CREATED;
fh = pProInfo->FileHandle;
/* Make sure the file is open and exists. If not,
* we have to open the file. We are guaranteed
* at least that the file exists in this case.
* Note that UnlockBuffer closes the file
* that we open here.
*/
if (fh == -1)
{
fh = OpenFile(pProInfo->lpProFile,&pProInfo->ProBuf,OF_REOPEN+READ_WRITE+OF_SHARE_DENY_WRITE);
/* Sharing violation. Let's try compabitility mode. */
if ( (fh == -1) && (pProInfo->ProBuf.nErrCode == SHARINGVIOLATION ) ){
fh = OpenFile(pProInfo->lpProFile,&pProInfo->ProBuf,OF_REOPEN+READ_WRITE);
}
pProInfo->FileHandle = fh;
}
/* Try to grow the file to the right length */
if(_llseek(fh, pProInfo->BufferLen + nchars, 0) !=
pProInfo->BufferLen + nchars ||
_lwrite(fh, " ", 1) != 1)
goto GrodyError;
}
/* Now, make room in the buffer for this new stuff */
if ( nchars )
MakeRoom((LPSTR)bp, nchars, &pProInfo->BufferLen);
/* Now copy in the new info */
switch ( WhatIsMissing ) {
case NOSECTION:
/* Create the new section */
(int)bp = InsertSection((LPSTR)bp, lpSection, SectLen);
/* FALL THROUGH */
case NOKEY:
(int)bp = InsertKey((LPSTR)bp, lpKeyName, KeyLen);
/* FALL THROUGH */
case NEWRESULT:
(int) bp = InsertResult((LPSTR)bp, lpString, ResultLen);
}
break;
/* Handle deleting sections or KeyNames */
case REMOVESECTION:
DeleteSection((LPSTR)bp, pProInfo);
break;
case REMOVEKEY:
DeleteKey((LPSTR)bp, pProInfo);
break;
}
pProInfo->ProFlags |= PROUNCLEAN;
fProfileDirty = 1;
NothingToDo:
UnlockBuffer(pProInfo);
return(1);
/* I really hate the GOTO, but in order to clean up, this is much
* more efficient...
*/
GrodyError:
UnlockBuffer(pProInfo);
return 0;
}
/*
* WriteOutProfiles
*
* Called on a task switch or at exit time
*
* If we have a dirty profile buffer, write it.
*/
void API
WriteOutProfiles(void)
{
LPSTR ptrTmp;
int fh;
PROINFO *pProInfo;
int nwritten;
/* Make sure that we don't get called through a DOS call. This
* flag is tested in I21ENTRY.ASM in the Int 21h hook to see
* if the profiles should be flushed.
*/
++fWriteOutProfilesReenter;
for ( pProInfo = &WinIniInfo; ; pProInfo = &PrivateProInfo ) {
if ( !(pProInfo->ProFlags & PROUNCLEAN) )
goto NoWrite;
if (
/* Try read/write with sharing flags, then try compabitility mode, then try to create the sucker. */
( (fh = OpenFile(NULL, &pProInfo->ProBuf, OF_REOPEN | READ_WRITE | OF_SHARE_DENY_WRITE)) == -1)
&& ( (fh = OpenFile(NULL, &pProInfo->ProBuf, OF_REOPEN | READ_WRITE)) == -1)
&& ( (fh = OpenFile(NULL, &pProInfo->ProBuf, OF_REOPEN | OF_CREATE)) == -1) ){
goto NoWrite;
}
pProInfo->FileHandle = fh;
/* Finally write the file */
ptrTmp = pProInfo->lpBuffer;
nwritten = _lwrite(fh, ptrTmp, pProInfo->BufferLen-3);
if ( nwritten == pProInfo->BufferLen-3 ) {
_lwrite(fh, ptrTmp, 0); /* Mark end of file */
pProInfo->ProFlags &= ~(PROUNCLEAN | PRO_CREATED);
UnlockBuffer(pProInfo);
} else {
_lclose(fh);
}
NoWrite:
if ( pProInfo == &PrivateProInfo )
break;
}
fProfileDirty = 0;
--fWriteOutProfilesReenter;
}
/*
* See if two character strings are the same.
* Special routine since one is terminated with <CR>.
* Returns zero if the strings match.
*/
IsItTheSame(CRstring, NullString)
LPSTR CRstring;
LPSTR NullString;
{
_asm {
push ds
les di, CRstring ; CR terminated string
lds si, NullString ; Null terminated string
xor ah, ah ; High byte of return value
stci10:
mov al,es:[di] ; Get next character
cmp al,0Dh ; CR?
jnz stci15 ; no, compare it
mov al,[si] ; yes, strings equal if at end
jmp stciex
stci15:
mov cl,[si]
inc si
inc di
cmp al,cl ; Still matching chars?
jz stci10 ; Yes, go try the next char.
mov al, 1 ; Didn't match
stciex:
pop ds
}
}
/*
* Create or close a hole in the buffer.
* Used to create room for a new section,
* keyname or result and to remove unwanted
* sections, keynames or results.
*
* Parameters:
* lp position in buffer to add/remove characters
* nchars number of characters to add/remove
* pAdjust pointer to variable containing current
* size of the buffer
*
* Side effects:
* *pAdjust is changed by nchars
*
* Returns:
* nothing
*/
MakeRoom(lp, nChars, pAdjust)
LPSTR lp;
short nChars;
int *pAdjust;
{
short BufLen = *pAdjust;
if ( nChars < 0 )
_asm {
push ds
les di, lp ; Where characters will be taken
push es
pop ds
mov si, di ; End of area
sub si, nChars ; Remember nChars is negative
mov cx, BufLen
sub cx, si ; Calculate # characters to move
cld
rep movsb ; Copy characters down
pop ds
} else _asm {
push ds
mov es, word ptr lp[2] ; Get segment to copy in
mov ds, word ptr lp[2]
mov si, BufLen ; We will be moving backwards
mov cx, si
dec si ; Adjust pointer for move
mov di, si ; so start at end of the buffer
sub cx, word ptr lp ; Number of characters to move
add di, nChars
std ; Backwards move
rep movsb ; Copy characters up
cld
pop ds
}
*pAdjust += nChars;
}
/*
* Delete a section from the buffer,
* preserving comments since they may
* relate to the next section
*
* Parameters:
* lp pointer to section returned by FindSection
* pProInfo pointer to INI file info
*
* Returns:
* nothing
*/
DeleteSection(lp, pProInfo)
LPSTR lp;
PROINFO *pProInfo;
{
int nRemoved;
char BASED_ON_LP(lp) *SectEnd;
_asm {
cld
push ds
lds si, lp
BackToStart:
dec si ; Skip backwards to start of the section
cmp ds:[si], SECT_LEFT
jne BackToStart
mov di, si
push ds
pop es ; ES:DI points to start of section
inc si ; DS:SI points to the '[', skip it
RemoveLoop:
lodsb ; Get next character in section
cmp al, ';' ; Is it a comment
jne NotComment
CopyComment:
stosb ; Save this character
cmp al, LINEFEED ; Copy to end of the line
je RemoveLoop
lodsb ; And get the next one
jmp CopyComment
NotComment:
cmp al, SECT_LEFT ; So is it the next section?
je EndSection
or al, al ; or the end of the buffer?
jne SkipLine
sub si, 2 ; Extra CR & LF at end of buffer
jmp short EndSection
SkipLine:
cmp al, LINEFEED ; Nothing interesting, so skip line
je RemoveLoop
lodsb
jmp SkipLine
EndSection:
dec si ; Back to the character
mov SectEnd, si ; where the search stopped
mov word ptr lp, di ; End of copied comments (if any)
sub si, di
mov nRemoved, si ; Number of characters removed
pop ds
}
MakeRoom(lp, -nRemoved, &pProInfo->BufferLen);
}
/*
* Delete a keyname from the buffer
*
* Parameters:
* lp pointer to keyname returned by FindKey
* pProInfo pointer to INI file info
*
* Returns:
* nothing
*/
DeleteKey(lp, pProInfo)
LPSTR lp;
PROINFO *pProInfo;
{
int nRemoved;
char BASED_ON_LP(lp) *KeyEnd;
_asm {
cld
les di, lp
BackToStart:
dec di ; Skip backwards to start of the line
cmp es:[di], LINEFEED
jne BackToStart
inc di
mov word ptr lp, di ; Save start of the line
mov cx, -1
mov al, LINEFEED
repne scasb ; Scan to end of the line
sub di, word ptr lp
mov nRemoved, di ; Length of line
}
MakeRoom(lp, -nRemoved, &pProInfo->BufferLen);
}
/*
* Insert a new section in the buffer.
* A hole has already been created for it.
* This merely copies the string, places
* '[]'s around it and a CR, LF after it.
* Returns a pointer to immediately
* after the section header in the buffer.
*
* Parameters:
* lpDest pointer to where to add the section
* lpSrc pointer to the section name
* count length of lpSrc
*/
InsertSection(lpDest, lpSrc, count)
LPSTR lpDest;
LPSTR lpSrc;
short count;
{
_asm {
cld
push ds
les di, lpDest
lds si, lpSrc
or di,di ; If at start of buffer, no prefix
jz IS_SkipPrefix
mov ax, LINEFEED SHL 8 + CR ; Prefix with CR/LF
stosw
IS_SkipPrefix:
mov al, SECT_LEFT ; '[' first
stosb
mov cx, count ; Now the section name
rep movsb
mov al, SECT_RIGHT ; and the ']'
stosb
mov ax, LINEFEED SHL 8 + CR ; finally, CR, LF
stosw
pop ds
mov ax, di ; Return pointer to char after header
}
}
/*
* Insert a new keyname in the buffer.
* This copies the keyname and adds
* an '='. It is assumed that InsertResult()
* will terminate the line.
* A pointer to the buffer immediately after
* the '=' is returned.
*
* Parameters:
* lpDest pointer to where to add the keyname
* lpSrc pointer to the keyname
* count length of lpSrc
*/
InsertKey(lpDest, lpSrc, count)
LPSTR lpDest;
LPSTR lpSrc;
short count;
{
_asm {
cld
push ds
les di, lpDest
lds si, lpSrc
mov cx, count ; Copy the KeyName
rep movsb
mov al, '=' ; add the '='
stosb
mov ax, di ; Pointer to char after the '='
pop ds
}
}
/*
* Add a new result string to the buffer.
* It assumes that the keyname and '=' are
* already there. This routine may be
* overwriting an existing result. The result
* is terminated with a CR, LR.
*
* Parameters:
* lpDest pointer to where to add the result
* lpSrc pointer to the result
* count length of lpSrc
*/
InsertResult(lpDest, lpSrc, count)
LPSTR lpDest;
LPSTR lpSrc;
short count;
{
_asm {
cld
push ds
les di, lpDest
lds si, lpSrc
mov cx, count ; Copy the result
rep movsb
mov ax, LINEFEED SHL 8 + CR ; finally, CR, LF
stosw ; This may overwrite existing CR, LF
mov ax, di
pop ds
}
}
/*
* GetFileAttr
*
* DOS call to Get file attributes
GetFileAttr(szFile)
LPSTR szFile;
{
_asm {
int 3
xor cx, cx ; In case of failure
lds dx, szFile
mov ax, 4300h
int 21h
mov ax, cx
}
}
*/
|