ciabatta/code/stdio/files.c

66 lines
1.3 KiB
C

#include <stdio.h>
#include <_os.h>
FILE *stdout;
FILE *stderr;
FILE *stdin;
int remove(const char *filename)
{
return _os_del_file(filename);
}
int rename(const char *old, const char *new)
{
return _os_mov_file(old, new);
}
char *tmpnam(char *s) {
static char static_buffer[L_tmpnam];
char *buffer = s;
if(s == NULL) buffer = static_buffer;
return _os_tmpname(buffer);
}
FILE *fopen(const char *restrict filename, const char *restrict mode)
{
// Basically defined UB here by introducing missing modes
// It is simpler to implement that way I think.
int base_mode = mode[0];
int binary = 0;
int exclusive = 0;
int update = 0;
for(; *mode != 0; ++mode) {
if(*mode == 'x') exclusive = 1;
if(*mode == 'b') binary = 1;
if(*mode == '+') update = 1;
}
if(base_mode == 'r' && exclusive) return NULL;
if(base_mode == 'a' && exclusive) return NULL;
_OS_ModeFlags mode_flags = {
.base_mode = base_mode,
.binary = binary,
.update = update,
.exclusive = exclusive,
};
return _os_fopen(filename, mode_flags);
}
int fclose(FILE *stream)
{
return _os_fclose(stream);
}
// TODO:kekw:
FILE *freopen(
const char *restrict filename,
const char *restrict mode,
FILE *restrict stream)
{
fclose(stream);
return NULL;
}