From c80403a2e0aa337968d77f5d4bcc33cdc91eeac1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?eray=20or=C3=A7unus?= <erayorcunus@gmail.com>
Date: Tue, 21 Apr 2020 13:28:06 +0300
Subject: Crossplatform work continues

---
 src/skel/crossplatform.cpp | 81 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 src/skel/crossplatform.cpp

(limited to 'src/skel/crossplatform.cpp')

diff --git a/src/skel/crossplatform.cpp b/src/skel/crossplatform.cpp
new file mode 100644
index 00000000..f9464bb6
--- /dev/null
+++ b/src/skel/crossplatform.cpp
@@ -0,0 +1,81 @@
+#include "common.h"
+#define USEALTERNATIVEWINFUNCS
+#include "crossplatform.h"
+
+// For internal use
+// wMilliseconds is not needed
+void tmToSystemTime(const tm *tm, SYSTEMTIME *out) {
+    out->wYear = tm->tm_year + 1900;
+    out->wMonth = tm->tm_mon + 1;
+    out->wDayOfWeek = tm->tm_wday;
+    out->wDay = tm->tm_mday;
+    out->wHour = tm->tm_hour;
+    out->wMinute = tm->tm_min;
+    out->wSecond = tm->tm_sec;
+}
+
+void GetLocalTime_CP(SYSTEMTIME *out) {
+    time_t timestamp = time(nil);
+    tm *localTm = localtime(&timestamp);
+    tmToSystemTime(localTm, out);
+}
+
+#if !defined _WIN32 || defined __MINGW32__
+HANDLE FindFirstFile(const char* pathname, WIN32_FIND_DATA* firstfile) {
+	char newpathname[32];
+	strncpy(newpathname, pathname, 32);
+	char* path = strtok(newpathname, "\\*");
+	strncpy(firstfile->folder, path, sizeof(firstfile->folder));
+
+	// Both w/ extension and w/o extension is ok
+	if (strlen(path) + 2 != strlen(pathname))
+		strncpy(firstfile->extension, strtok(NULL, "\\*"), sizeof(firstfile->extension));
+	else
+		strncpy(firstfile->extension, "", sizeof(firstfile->extension));
+
+	HANDLE d;
+	if ((d = opendir(path)) == NULL || !FindNextFile(d, firstfile))
+		return NULL;
+
+	return d;
+}
+
+bool FindNextFile(HANDLE d, WIN32_FIND_DATA* finddata) {
+	dirent *file;
+	static struct stat fileStats;
+	static char path[PATH_MAX], relativepath[NAME_MAX + sizeof(finddata->folder) + 1];
+	int extensionLen = strlen(finddata->extension);
+	while ((file = readdir(d)) != NULL) {
+
+		// We only want "DT_REG"ular Files, but reportedly some FS and OSes gives DT_UNKNOWN as type.
+		if ((file->d_type == DT_UNKNOWN || file->d_type == DT_REG) &&
+			(extensionLen == 0 || strncmp(&file->d_name[strlen(file->d_name) - extensionLen], finddata->extension, extensionLen) == 0)) {
+
+			sprintf(relativepath, "%s/%s", finddata->folder, file->d_name);
+			realpath(relativepath, path);
+			stat(path, &fileStats);
+			strncpy(finddata->cFileName, file->d_name, sizeof(finddata->cFileName));
+			finddata->ftLastWriteTime = fileStats.st_mtime;
+			return true;
+		}
+	}
+	return false;
+}
+
+void GetDateFormat(int unused1, int unused2, SYSTEMTIME* in, int unused3, char* out, int size) {
+	tm linuxTime;
+	linuxTime.tm_year = in->wYear - 1900;
+	linuxTime.tm_mon = in->wMonth - 1;
+	linuxTime.tm_wday = in->wDayOfWeek;
+	linuxTime.tm_mday = in->wDay;
+	linuxTime.tm_hour = in->wHour;
+	linuxTime.tm_min = in->wMinute;
+	linuxTime.tm_sec = in->wSecond;
+	strftime(out, size, nl_langinfo(D_FMT), &linuxTime);
+}
+
+void FileTimeToSystemTime(time_t* writeTime, SYSTEMTIME* out) {
+	tm *ptm = gmtime(writeTime);
+	tmToSystemTime(ptm, out);
+}
+#endif
\ No newline at end of file
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