mirror of
https://git.rip/DMCA_FUCKER/re3.git
synced 2024-12-23 10:20:00 +00:00
273 lines
6.9 KiB
C++
273 lines
6.9 KiB
C++
#include "common.h"
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#include "crossplatform.h"
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// Codes compatible with Windows and Linux
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#ifndef _WIN32
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// For internal use
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// wMilliseconds is not needed
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void tmToSystemTime(const tm *tm, SYSTEMTIME *out) {
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out->wYear = tm->tm_year + 1900;
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out->wMonth = tm->tm_mon + 1;
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out->wDayOfWeek = tm->tm_wday;
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out->wDay = tm->tm_mday;
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out->wHour = tm->tm_hour;
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out->wMinute = tm->tm_min;
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out->wSecond = tm->tm_sec;
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}
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void GetLocalTime_CP(SYSTEMTIME *out) {
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time_t timestamp = time(nil);
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tm *localTm = localtime(×tamp);
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tmToSystemTime(localTm, out);
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}
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#endif
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// Compatible with Linux/POSIX and MinGW on Windows
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#ifndef _WIN32
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HANDLE FindFirstFile(const char* pathname, WIN32_FIND_DATA* firstfile) {
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char pathCopy[MAX_PATH];
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strcpy(pathCopy, pathname);
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char *folder = strtok(pathCopy, "*");
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char *extension = strtok(NULL, "*");
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// because strtok doesn't return NULL for last delimiter
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if (extension - folder == strlen(pathname))
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extension = nil;
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// Case-sensitivity and backslashes...
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// Will be freed at the bottom
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char *realFolder = casepath(folder);
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if (realFolder) {
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folder = realFolder;
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}
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strncpy(firstfile->folder, folder, sizeof(firstfile->folder));
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if (extension)
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strncpy(firstfile->extension, extension, sizeof(firstfile->extension));
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else
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firstfile->extension[0] = '\0';
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if (realFolder)
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free(realFolder);
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HANDLE d;
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if ((d = (HANDLE)opendir(firstfile->folder)) == NULL || !FindNextFile(d, firstfile))
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return NULL;
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return d;
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}
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bool FindNextFile(HANDLE d, WIN32_FIND_DATA* finddata) {
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dirent *file;
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static struct stat fileStats;
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static char path[PATH_MAX], relativepath[NAME_MAX + sizeof(finddata->folder) + 1];
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int extensionLen = strlen(finddata->extension);
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while ((file = readdir((DIR*)d)) != NULL) {
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// We only want "DT_REG"ular Files, but reportedly some FS and OSes gives DT_UNKNOWN as type.
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if ((file->d_type == DT_UNKNOWN || file->d_type == DT_REG || file->d_type == DT_LNK) &&
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(extensionLen == 0 || strncasecmp(&file->d_name[strlen(file->d_name) - extensionLen], finddata->extension, extensionLen) == 0)) {
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sprintf(relativepath, "%s/%s", finddata->folder, file->d_name);
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realpath(relativepath, path);
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stat(path, &fileStats);
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strncpy(finddata->cFileName, file->d_name, sizeof(finddata->cFileName));
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finddata->ftLastWriteTime = fileStats.st_mtime;
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return true;
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}
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}
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return false;
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}
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void GetDateFormat(int unused1, int unused2, SYSTEMTIME* in, int unused3, char* out, int size) {
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tm linuxTime;
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linuxTime.tm_year = in->wYear - 1900;
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linuxTime.tm_mon = in->wMonth - 1;
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linuxTime.tm_wday = in->wDayOfWeek;
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linuxTime.tm_mday = in->wDay;
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linuxTime.tm_hour = in->wHour;
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linuxTime.tm_min = in->wMinute;
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linuxTime.tm_sec = in->wSecond;
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strftime(out, size, nl_langinfo(D_FMT), &linuxTime);
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}
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void FileTimeToSystemTime(time_t* writeTime, SYSTEMTIME* out) {
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tm *ptm = gmtime(writeTime);
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tmToSystemTime(ptm, out);
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}
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#endif
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// Because wchar length differs between platforms.
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wchar*
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AllocUnicode(const char* src)
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{
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wchar *dst = (wchar*)malloc(strlen(src)*2 + 2);
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wchar *i = dst;
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while((*i++ = (unsigned char)*src++) != '\0');
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return dst;
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}
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// Funcs/features from Windows that we need on other platforms
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#ifndef _WIN32
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char *strupr(char *s) {
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char* tmp = s;
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for (;*tmp;++tmp) {
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*tmp = toupper((unsigned char) *tmp);
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}
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return s;
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}
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char *strlwr(char *s) {
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char* tmp = s;
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for (;*tmp;++tmp) {
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*tmp = tolower((unsigned char) *tmp);
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}
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return s;
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}
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char *trim(char *s) {
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char *ptr;
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if (!s)
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return NULL; // handle NULL string
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if (!*s)
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return s; // handle empty string
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for (ptr = s + strlen(s) - 1; (ptr >= s) && isspace(*ptr); --ptr);
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ptr[1] = '\0';
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return s;
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}
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FILE* _fcaseopen(char const* filename, char const* mode)
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{
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FILE* result;
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char* real = casepath(filename);
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if (!real)
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result = fopen(filename, mode);
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else {
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result = fopen(real, mode);
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free(real);
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}
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return result;
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}
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// Case-insensitivity on linux (from https://github.com/OneSadCookie/fcaseopen)
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// Returned string should freed manually (if exists)
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char* casepath(char const* path, bool checkPathFirst)
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{
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if (checkPathFirst && access(path, F_OK) != -1) {
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// File path is correct
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return nil;
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}
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size_t l = strlen(path);
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char* p = (char*)alloca(l + 1);
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char* out = (char*)malloc(l + 3); // for extra ./
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strcpy(p, path);
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// my addon: linux doesn't handle filenames with spaces at the end nicely
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p = trim(p);
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size_t rl = 0;
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DIR* d;
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if (p[0] == '/' || p[0] == '\\')
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{
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d = opendir("/");
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}
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else
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{
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d = opendir(".");
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out[0] = '.';
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out[1] = 0;
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rl = 1;
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}
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bool cantProceed = false; // just convert slashes in what's left in string, not case sensitivity
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bool mayBeTrailingSlash = false;
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char* c;
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while (c = strsep(&p, "/\\"))
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{
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// May be trailing slash(allow), slash at the start(avoid), or multiple slashes(avoid)
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if (*c == '\0')
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{
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mayBeTrailingSlash = true;
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continue;
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} else {
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mayBeTrailingSlash = false;
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}
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out[rl] = '/';
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rl += 1;
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out[rl] = 0;
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if (cantProceed)
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{
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strcpy(out + rl, c);
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rl += strlen(c);
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continue;
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}
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struct dirent* e;
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while (e = readdir(d))
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{
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if (strcasecmp(c, e->d_name) == 0)
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{
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strcpy(out + rl, e->d_name);
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int reportedLen = (int)strlen(e->d_name);
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rl += reportedLen;
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assert(reportedLen == strlen(c) && "casepath: This is not good at all");
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closedir(d);
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d = opendir(out);
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// Either it wasn't a folder, or permission error, I/O error etc.
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if (!d) {
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cantProceed = true;
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}
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break;
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}
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}
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if (!e)
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{
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printf("casepath couldn't find dir/file \"%s\", full path was %s\n", c, path);
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// No match, add original name and continue converting further slashes.
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strcpy(out + rl, c);
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rl += strlen(c);
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cantProceed = true;
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}
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}
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if (d) closedir(d);
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if (mayBeTrailingSlash) {
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out[rl] = '/'; rl += 1;
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out[rl] = '\0';
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}
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if (rl > l + 2) {
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printf("\n\ncasepath: Corrected path length is longer then original+2:\n\tOriginal: %s (%d chars)\n\tCorrected: %s (%d chars)\n\n", path, l, out, rl);
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}
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return out;
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}
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#endif
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#if !defined(_MSC_VER) && !defined(__CWCC__)
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char *strdate(char *buf) {
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time_t timestamp;
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time(×tamp);
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tm *localTm = localtime(×tamp);
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strftime(buf, 10, "%m/%d/%y", localTm);
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return buf;
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}
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char *_strdate(char *buf) {
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return strdate(buf);
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}
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#endif
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