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| Source at commit 1308 created 12 years 8 months ago. By meklort, Add a few placeholders for file io | |
|---|---|
| 1 | /*␊ |
| 2 | * fopen.c␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | #include <stdio.h>␊ |
| 6 | #include <unistd.h>␊ |
| 7 | //#include <fcntl.h>␊ |
| 8 | ␊ |
| 9 | /* This depends on O_RDONLY == 0, O_WRONLY == 1, O_RDWR == 2 */␊ |
| 10 | ␊ |
| 11 | FILE *fopen(const char *file, const char *mode)␊ |
| 12 | {␊ |
| 13 | ␉printf("WARNING: fopen unimplimented.\n");␊ |
| 14 | ␉return NULL;␊ |
| 15 | #if 0␊ |
| 16 | ␉int flags = O_RDONLY;␊ |
| 17 | ␉int plus = 0;␊ |
| 18 | ␊ |
| 19 | ␉while (*mode) {␊ |
| 20 | ␉␉switch (*mode++) {␊ |
| 21 | ␉␉case 'r':␊ |
| 22 | ␉␉␉flags = O_RDONLY;␊ |
| 23 | ␉␉␉break;␊ |
| 24 | ␉␉case 'w':␊ |
| 25 | ␉␉␉flags = O_WRONLY | O_CREAT | O_TRUNC;␊ |
| 26 | ␉␉␉break;␊ |
| 27 | ␉␉case 'a':␊ |
| 28 | ␉␉␉flags = O_WRONLY | O_CREAT | O_APPEND;␊ |
| 29 | ␉␉␉break;␊ |
| 30 | ␉␉case '+':␊ |
| 31 | ␉␉␉plus = 1;␊ |
| 32 | ␉␉␉break;␊ |
| 33 | ␉␉}␊ |
| 34 | ␉}␊ |
| 35 | ␊ |
| 36 | ␉if (plus) {␊ |
| 37 | ␉␉flags = (flags & ~(O_RDONLY | O_WRONLY)) | O_RDWR;␊ |
| 38 | ␉}␊ |
| 39 | ␊ |
| 40 | ␉/* Note: __create_file(-1) == NULL, so this is safe */␊ |
| 41 | ␉return __create_file(open(file, flags, 0666));␊ |
| 42 | #endif␊ |
| 43 | }␊ |
| 44 | |
