Jack Jansen | 426fa79 | 1995-08-07 14:02:12 +0000 | [diff] [blame^] | 1 | /* |
| 2 | ** mwfopenrf - Open resource fork as stdio file for CodeWarrior. |
| 3 | ** |
| 4 | ** Jack Jansen, CWI, August 1995. |
| 5 | */ |
| 6 | |
| 7 | #ifdef __MWERKS__ |
| 8 | #include <stdio.h> |
| 9 | #include <unix.h> |
| 10 | #include <errno.h> |
| 11 | #include "errno_unix.h" |
| 12 | |
| 13 | FILE * |
| 14 | fopenRF(name, mode) |
| 15 | char *name; |
| 16 | char *mode; |
| 17 | { |
| 18 | int fd; |
| 19 | FILE *fp; |
| 20 | int modebits = -1; |
| 21 | int extramodebits; |
| 22 | char *modep; |
| 23 | |
| 24 | for(modep=mode; *modep; modep++) { |
| 25 | switch(*modep) { |
| 26 | case 'r': modebits = O_RDONLY; break; |
| 27 | case 'w': modebits = O_WRONLY; extramodebits |= O_CREAT|O_TRUNC; break; |
| 28 | case 'a': modebits = O_RDONLY; |
| 29 | extramodebits |= O_CREAT|O_APPEND; |
| 30 | extramodebits &= ~O_TRUNC; |
| 31 | break; |
| 32 | case '+': modebits = O_RDWR; |
| 33 | extramodebits &= ~O_TRUNC; |
| 34 | break; |
| 35 | case 'b': extramodebits |= O_BINARY; |
| 36 | break; |
| 37 | default: |
| 38 | errno = EINVAL; |
| 39 | return NULL; |
| 40 | } |
| 41 | } |
| 42 | fd = open(name, modebits|extramodebits|O_RSRC); |
| 43 | if ( fd < 0 ) |
| 44 | return NULL; |
| 45 | return fdopen(fd, mode); |
| 46 | } |
| 47 | #endif /* __MWERKS__ */ |