1 #include <dprintf.h> 2 #include <fcntl.h> 3 #include <stdio.h> 4 #include <string.h> 5 #include <core.h> 6 #include <fs.h> 7 8 __export char ConfigName[FILENAME_MAX]; 9 __export char config_cwd[FILENAME_MAX]; 10 11 /* 12 * This searches for a specified set of filenames in a specified set 13 * of directories. If found, set the current working directory to 14 * match. 15 */ 16 int search_dirs(struct com32_filedata *filedata, 17 const char *search_directories[], 18 const char *filenames[], 19 char *realname) 20 { 21 char namebuf[FILENAME_MAX]; 22 const char *sd, **sdp; 23 const char *sf, **sfp; 24 25 for (sdp = search_directories; (sd = *sdp); sdp++) { 26 for (sfp = filenames; (sf = *sfp); sfp++) { 27 snprintf(namebuf, sizeof namebuf, 28 "%s%s%s", 29 sd, (*sd && sd[strlen(sd)-1] == '/') ? "" : "/", 30 sf); 31 if (realpath(realname, namebuf, FILENAME_MAX) == (size_t)-1) 32 continue; 33 dprintf("Config search: %s\n", realname); 34 if (open_file(realname, O_RDONLY, filedata) >= 0) { 35 chdir(sd); 36 return 0; /* Got it */ 37 } 38 } 39 } 40 41 return -1; 42 } 43
