370 lines
7 KiB
C
370 lines
7 KiB
C
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/time.h>
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#include "../game/q_shared.h"
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#include "../qcommon/qcommon.h"
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//===============================================================================
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// Used to determine CD Path
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static char programpath[MAX_OSPATH];
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/*
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================
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Sys_Milliseconds
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================
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*/
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int curtime;
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int sys_timeBase;
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int Sys_Milliseconds (void)
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{
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struct timeval tp;
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struct timezone tzp;
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gettimeofday(&tp, &tzp);
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if (!sys_timeBase)
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{
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sys_timeBase = tp.tv_sec;
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return tp.tv_usec/1000;
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}
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curtime = (tp.tv_sec - sys_timeBase)*1000 + tp.tv_usec/1000;
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return curtime;
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}
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void Sys_Mkdir( const char *path )
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{
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mkdir (path, 0777);
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}
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char *strlwr (char *s)
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{
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while (*s) {
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*s = tolower(*s);
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s++;
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}
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}
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//============================================
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/* Like glob_match, but match PATTERN against any final segment of TEXT. */
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static int glob_match_after_star(char *pattern, char *text)
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{
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register char *p = pattern, *t = text;
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register char c, c1;
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while ((c = *p++) == '?' || c == '*')
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if (c == '?' && *t++ == '\0')
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return 0;
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if (c == '\0')
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return 1;
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if (c == '\\')
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c1 = *p;
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else
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c1 = c;
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while (1) {
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if ((c == '[' || *t == c1) && glob_match(p - 1, t))
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return 1;
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if (*t++ == '\0')
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return 0;
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}
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}
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/* Return nonzero if PATTERN has any special globbing chars in it. */
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static int glob_pattern_p(char *pattern)
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{
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register char *p = pattern;
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register char c;
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int open = 0;
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while ((c = *p++) != '\0')
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switch (c) {
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case '?':
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case '*':
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return 1;
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case '[': /* Only accept an open brace if there is a close */
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open++; /* brace to match it. Bracket expressions must be */
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continue; /* complete, according to Posix.2 */
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case ']':
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if (open)
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return 1;
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continue;
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case '\\':
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if (*p++ == '\0')
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return 0;
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}
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return 0;
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}
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/* Match the pattern PATTERN against the string TEXT;
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return 1 if it matches, 0 otherwise.
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A match means the entire string TEXT is used up in matching.
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In the pattern string, `*' matches any sequence of characters,
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`?' matches any character, [SET] matches any character in the specified set,
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[!SET] matches any character not in the specified set.
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A set is composed of characters or ranges; a range looks like
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character hyphen character (as in 0-9 or A-Z).
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[0-9a-zA-Z_] is the set of characters allowed in C identifiers.
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Any other character in the pattern must be matched exactly.
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To suppress the special syntactic significance of any of `[]*?!-\',
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and match the character exactly, precede it with a `\'.
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*/
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int glob_match(char *pattern, char *text)
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{
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register char *p = pattern, *t = text;
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register char c;
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while ((c = *p++) != '\0')
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switch (c) {
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case '?':
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if (*t == '\0')
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return 0;
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else
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++t;
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break;
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case '\\':
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if (*p++ != *t++)
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return 0;
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break;
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case '*':
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return glob_match_after_star(p, t);
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case '[':
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{
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register char c1 = *t++;
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int invert;
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if (!c1)
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return (0);
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invert = ((*p == '!') || (*p == '^'));
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if (invert)
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p++;
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c = *p++;
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while (1) {
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register char cstart = c, cend = c;
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if (c == '\\') {
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cstart = *p++;
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cend = cstart;
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}
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if (c == '\0')
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return 0;
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c = *p++;
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if (c == '-' && *p != ']') {
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cend = *p++;
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if (cend == '\\')
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cend = *p++;
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if (cend == '\0')
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return 0;
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c = *p++;
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}
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if (c1 >= cstart && c1 <= cend)
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goto match;
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if (c == ']')
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break;
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}
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if (!invert)
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return 0;
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break;
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match:
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/* Skip the rest of the [...] construct that already matched. */
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while (c != ']') {
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if (c == '\0')
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return 0;
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c = *p++;
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if (c == '\0')
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return 0;
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else if (c == '\\')
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++p;
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}
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if (invert)
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return 0;
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break;
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}
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default:
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if (c != *t++)
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return 0;
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}
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return *t == '\0';
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}
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//============================================
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#define MAX_FOUND_FILES 0x1000
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char **Sys_ListFiles( const char *directory, const char *extension, int *numfiles, qboolean wantsubs )
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{
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struct dirent *d;
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char *p;
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DIR *fdir;
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qboolean dironly = wantsubs;
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char search[MAX_OSPATH];
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int nfiles;
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char **listCopy;
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char *list[MAX_FOUND_FILES];
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int flag;
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int i;
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struct stat st;
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int extLen;
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if ( !extension)
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extension = "";
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if ( extension[0] == '/' && extension[1] == 0 ) {
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extension = "";
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dironly = qtrue;
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}
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extLen = strlen( extension );
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// search
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nfiles = 0;
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if ((fdir = opendir(directory)) == NULL) {
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*numfiles = 0;
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return NULL;
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}
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while ((d = readdir(fdir)) != NULL) {
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Com_sprintf(search, sizeof(search), "%s/%s", directory, d->d_name);
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if (stat(search, &st) == -1)
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continue;
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if ((dironly && !(st.st_mode & S_IFDIR)) ||
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(!dironly && (st.st_mode & S_IFDIR)))
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continue;
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if (*extension) {
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if ( strlen( d->d_name ) < strlen( extension ) ||
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Q_stricmp(
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d->d_name + strlen( d->d_name ) - strlen( extension ),
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extension ) ) {
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continue; // didn't match
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}
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}
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if ( nfiles == MAX_FOUND_FILES - 1 )
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break;
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list[ nfiles ] = CopyString( d->d_name );
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nfiles++;
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}
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list[ nfiles ] = 0;
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closedir(fdir);
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// return a copy of the list
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*numfiles = nfiles;
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if ( !nfiles ) {
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return NULL;
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}
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listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
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for ( i = 0 ; i < nfiles ; i++ ) {
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listCopy[i] = list[i];
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}
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listCopy[i] = NULL;
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return listCopy;
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}
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void Sys_FreeFileList( char **list ) {
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int i;
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if ( !list ) {
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return;
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}
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for ( i = 0 ; list[i] ; i++ ) {
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Z_Free( list[i] );
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}
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Z_Free( list );
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}
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char *Sys_Cwd( void )
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{
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static char cwd[MAX_OSPATH];
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getcwd( cwd, sizeof( cwd ) - 1 );
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cwd[MAX_OSPATH-1] = 0;
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return cwd;
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}
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void SetProgramPath(char *path)
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{
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char *p;
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Q_strncpyz(programpath, path, sizeof(programpath));
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if ((p = strrchr(programpath, '/')) != NULL)
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*p = 0; // remove program name, leave only path
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}
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char *Sys_DefaultCDPath(void)
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{
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if (*programpath)
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return programpath;
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else
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return Sys_Cwd();
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}
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char *Sys_DefaultBasePath(void)
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{
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char *p;
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static char basepath[MAX_OSPATH];
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int e;
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if ((p = getenv("HOME")) != NULL) {
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Q_strncpyz(basepath, p, sizeof(basepath));
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Q_strcat(basepath, sizeof(basepath), "/.q3a");
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if (mkdir(basepath, 0777)) {
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if (errno != EEXIST)
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Sys_Error("Unable to create directory \"%s\", error is %s(%d)\n", basepath, strerror(errno), errno);
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}
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return basepath;
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}
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return ""; // assume current dir
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}
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//============================================
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int Sys_GetProcessorId( void )
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{
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return CPUID_GENERIC;
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}
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void Sys_ShowConsole( int visLevel, qboolean quitOnClose )
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{
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}
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