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Diffstat (limited to '')
| -rw-r--r-- | libtar/output.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/libtar/output.c b/libtar/output.c new file mode 100644 index 000000000..d2bf8bb0c --- /dev/null +++ b/libtar/output.c @@ -0,0 +1,135 @@ +/* +** Copyright 1998-2003 University of Illinois Board of Trustees +** Copyright 1998-2003 Mark D. Roth +** All rights reserved. +** +** output.c - libtar code to print out tar header blocks +** +** Mark D. Roth <roth@uiuc.edu> +** Campus Information Technologies and Educational Services +** University of Illinois at Urbana-Champaign +*/ + +#include <internal.h> + +#include <stdio.h> +#include <stdlib.h> +#include <pwd.h> +#include <grp.h> +#include <time.h> +#include <limits.h> +#include <sys/param.h> + +#ifdef STDC_HEADERS +# include <string.h> +#endif + + +#ifndef _POSIX_LOGIN_NAME_MAX +# define _POSIX_LOGIN_NAME_MAX 9 +#endif + + +void +th_print(TAR *t) +{ + puts("\nPrinting tar header:"); + printf(" name = \"%.100s\"\n", t->th_buf.name); + printf(" mode = \"%.8s\"\n", t->th_buf.mode); + printf(" uid = \"%.8s\"\n", t->th_buf.uid); + printf(" gid = \"%.8s\"\n", t->th_buf.gid); + printf(" size = \"%.12s\"\n", t->th_buf.size); + printf(" mtime = \"%.12s\"\n", t->th_buf.mtime); + printf(" chksum = \"%.8s\"\n", t->th_buf.chksum); + printf(" typeflag = \'%c\'\n", t->th_buf.typeflag); + printf(" linkname = \"%.100s\"\n", t->th_buf.linkname); + printf(" magic = \"%.6s\"\n", t->th_buf.magic); + /*printf(" version = \"%.2s\"\n", t->th_buf.version); */ + printf(" version[0] = \'%c\',version[1] = \'%c\'\n", + t->th_buf.version[0], t->th_buf.version[1]); + printf(" uname = \"%.32s\"\n", t->th_buf.uname); + printf(" gname = \"%.32s\"\n", t->th_buf.gname); + printf(" devmajor = \"%.8s\"\n", t->th_buf.devmajor); + printf(" devminor = \"%.8s\"\n", t->th_buf.devminor); + printf(" prefix = \"%.155s\"\n", t->th_buf.prefix); + printf(" padding = \"%.12s\"\n", t->th_buf.padding); + printf(" gnu_longname = \"%s\"\n", + (t->th_buf.gnu_longname ? t->th_buf.gnu_longname : "[NULL]")); + printf(" gnu_longlink = \"%s\"\n", + (t->th_buf.gnu_longlink ? t->th_buf.gnu_longlink : "[NULL]")); +} + + +void +th_print_long_ls(TAR *t) +{ + char modestring[12]; + struct passwd *pw; + struct group *gr; + uid_t uid; + gid_t gid; + char username[_POSIX_LOGIN_NAME_MAX]; + char groupname[_POSIX_LOGIN_NAME_MAX]; + time_t mtime; + struct tm *mtm; + +#ifdef HAVE_STRFTIME + char timebuf[18]; +#else + const char *months[] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" + }; +#endif + + uid = th_get_uid(t); + pw = getpwuid(uid); + if ((t->options & TAR_USE_NUMERIC_ID) || pw == NULL) + snprintf(username, sizeof(username), "%d", uid); + else + strlcpy(username, pw->pw_name, sizeof(username)); + + gid = th_get_gid(t); + gr = getgrgid(gid); + if ((t->options & TAR_USE_NUMERIC_ID) || gr == NULL) + snprintf(groupname, sizeof(groupname), "%d", gid); + else + strlcpy(groupname, gr->gr_name, sizeof(groupname)); + + strmode(th_get_mode(t), modestring); + printf("%.10s %-8.8s %-8.8s ", modestring, username, groupname); + + if (TH_ISCHR(t) || TH_ISBLK(t)) + printf(" %3d, %3d ", (int)th_get_devmajor(t), (int)th_get_devminor(t)); + else + printf("%9ld ", (long)th_get_size(t)); + + mtime = th_get_mtime(t); + mtm = localtime(&mtime); +#ifdef HAVE_STRFTIME + strftime(timebuf, sizeof(timebuf), "%h %e %H:%M %Y", mtm); + printf("%s", timebuf); +#else + printf("%.3s %2d %2d:%02d %4d", + months[mtm->tm_mon], + mtm->tm_mday, mtm->tm_hour, mtm->tm_min, mtm->tm_year + 1900); +#endif + + printf(" %s", th_get_pathname(t)); + + if (TH_ISSYM(t) || TH_ISLNK(t)) + { + if (TH_ISSYM(t)) + printf(" -> "); + else + printf(" link to "); + if ((t->options & TAR_GNU) && t->th_buf.gnu_longlink != NULL) + printf("%s", t->th_buf.gnu_longlink); + else + printf("%.100s", t->th_buf.linkname); + } + + putchar('\n'); +} + + |