istereo
annotate src/respath.c @ 4:14bbdfcb9030
resource path find code
| author | John Tsiombikas <nuclear@mutantstargoat.com> |
|---|---|
| date | Wed, 07 Sep 2011 06:25:05 +0300 |
| parents | |
| children | 32503603eb7d |
| rev | line source |
|---|---|
| nuclear@4 | 1 #include <stdio.h> |
| nuclear@4 | 2 #include <stdlib.h> |
| nuclear@4 | 3 #include <string.h> |
| nuclear@4 | 4 #include <errno.h> |
| nuclear@4 | 5 #include <unistd.h> |
| nuclear@4 | 6 #include "respath.h" |
| nuclear@4 | 7 |
| nuclear@4 | 8 #if defined(__IPHONE_3_0) || defined(__IPHONE_3_2) || defined(__IPHONE_4_0) |
| nuclear@4 | 9 #define IPHONE |
| nuclear@4 | 10 #include <CoreFoundation/CoreFoundation.h> |
| nuclear@4 | 11 #endif |
| nuclear@4 | 12 |
| nuclear@4 | 13 |
| nuclear@4 | 14 #ifndef IPHONE |
| nuclear@4 | 15 struct path_node { |
| nuclear@4 | 16 char *path; |
| nuclear@4 | 17 struct path_node *next; |
| nuclear@4 | 18 }; |
| nuclear@4 | 19 |
| nuclear@4 | 20 static struct path_node *pathlist; |
| nuclear@4 | 21 |
| nuclear@4 | 22 void add_resource_path(const char *path) |
| nuclear@4 | 23 { |
| nuclear@4 | 24 struct path_node *node = 0; |
| nuclear@4 | 25 |
| nuclear@4 | 26 if(!(node = malloc(sizeof *node)) || !(node->path = malloc(strlen(path) + 1))) { |
| nuclear@4 | 27 free(node); |
| nuclear@4 | 28 fprintf(stderr, "failed to add path: %s: %s\n", path, strerror(errno)); |
| nuclear@4 | 29 return; |
| nuclear@4 | 30 } |
| nuclear@4 | 31 strcpy(node->path, path); |
| nuclear@4 | 32 node->next = pathlist; |
| nuclear@4 | 33 pathlist = node; |
| nuclear@4 | 34 } |
| nuclear@4 | 35 |
| nuclear@4 | 36 char *find_resource(const char *fname, char *path, size_t sz) |
| nuclear@4 | 37 { |
| nuclear@4 | 38 static char buffer[1024]; |
| nuclear@4 | 39 struct path_node *node; |
| nuclear@4 | 40 |
| nuclear@4 | 41 if(!path) { |
| nuclear@4 | 42 path = buffer; |
| nuclear@4 | 43 sz = sizeof buffer; |
| nuclear@4 | 44 } |
| nuclear@4 | 45 |
| nuclear@4 | 46 node = pathlist; |
| nuclear@4 | 47 while(node) { |
| nuclear@4 | 48 snprintf(path, sz, "%s/%s", node->path, fname); |
| nuclear@4 | 49 if(access(path, F_OK) != -1) { |
| nuclear@4 | 50 return path; |
| nuclear@4 | 51 } |
| nuclear@4 | 52 node = node->next; |
| nuclear@4 | 53 } |
| nuclear@4 | 54 return 0; |
| nuclear@4 | 55 } |
| nuclear@4 | 56 |
| nuclear@4 | 57 #else /* IPHONE */ |
| nuclear@4 | 58 |
| nuclear@4 | 59 void add_resource_path(const char *path) |
| nuclear@4 | 60 { |
| nuclear@4 | 61 } |
| nuclear@4 | 62 |
| nuclear@4 | 63 |
| nuclear@4 | 64 char *find_resource(const char *fname, char *path, size_t sz) |
| nuclear@4 | 65 { |
| nuclear@4 | 66 static char buffer[1024]; |
| nuclear@4 | 67 CFBundleRef bundle; |
| nuclear@4 | 68 CFURLRef url; |
| nuclear@4 | 69 CFStringRef cfname; |
| nuclear@4 | 70 |
| nuclear@4 | 71 cfname = CFStringCreateWithCString(0, fname, kCFStringEncodingASCII); |
| nuclear@4 | 72 |
| nuclear@4 | 73 bundle = CFBundleGetMainBundle(); |
| nuclear@4 | 74 if(!(url = CFBundleCopyResourceURL(bundle, cfname, 0, 0))) { |
| nuclear@4 | 75 return 0; |
| nuclear@4 | 76 } |
| nuclear@4 | 77 |
| nuclear@4 | 78 if(!path) { |
| nuclear@4 | 79 path = buffer; |
| nuclear@4 | 80 sz = sizeof buffer; |
| nuclear@4 | 81 } |
| nuclear@4 | 82 |
| nuclear@4 | 83 if(!CFURLGetFileSystemRepresentation(url, 1, (unsigned char*)path, sz)) { |
| nuclear@4 | 84 return 0; |
| nuclear@4 | 85 } |
| nuclear@4 | 86 return path; |
| nuclear@4 | 87 } |
| nuclear@4 | 88 #endif |