| 0,0 → 1,53 |
|---|
| #include "stddef.h" |
| #include "sys/ksys.h" |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #define CREATE_FILE() if(_ksys_file_create(_name)){ \ |
| errno= EIO; \ |
| free(out); \ |
| out = NULL; \ |
| } |
| |
| FILE *freopen(const char *restrict _name, const char *restrict _mode, FILE *restrict out) { |
| if(!_name || !_mode || !out){ |
| errno = EINVAL; |
| return NULL; |
| } |
| |
| if (strchr(_mode, 'r')) { out->mode = _FILEMODE_R; } |
| if (strchr(_mode, 'a')) { out->mode = _FILEMODE_A; } |
| if (strchr(_mode, 'w')) { out->mode = _FILEMODE_W; } |
| |
| ksys_bdfe_t info; |
| int no_file = _ksys_file_get_info(_name, &info); |
| out->eof=0; |
| out->error=0; |
| out->position=0; |
| out->name = strdup(_name); |
| |
| switch (out->mode) { |
| case _FILEMODE_A : |
| if(no_file){ |
| CREATE_FILE(); |
| } |
| out->position = info.size; |
| break; |
| case _FILEMODE_W : |
| CREATE_FILE(); |
| break; |
| case _FILEMODE_R : |
| if(no_file){ |
| free(out); |
| out = NULL; |
| } |
| break; |
| default: |
| free(out); |
| out = NULL; |
| break; |
| } |
| return out; |
| } |