blob: 5136c8df11ca985c7c8410b643aea8196e55d51c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#include "dietstdio.h"
#include <unistd.h>
int fgetc_unlocked(FILE *stream) {
unsigned char c;
if (stream->ungotten) {
stream->ungotten=0;
return stream->ungetbuf;
}
if (feof(stream))
return EOF;
if (__fflush4(stream,BUFINPUT)) return EOF;
if (stream->bm>=stream->bs) {
int len=read(stream->fd,stream->buf,stream->buflen);
if (len==0) {
stream->flags|=EOFINDICATOR;
return EOF;
} else if (len<0) {
stream->flags|=ERRORINDICATOR;
return EOF;
}
stream->bm=0;
stream->bs=len;
}
c=stream->buf[stream->bm];
++stream->bm;
return c;
}
int fgetc(FILE* stream) __attribute__((weak,alias("fgetc_unlocked")));
|