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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#include <unistd.h>
#include <stdlib.h>
#include "dietwarning.h"
#include "dietstdio.h"
FILE *__stdio_root;
int __stdio_atexit=0;
void __stdio_flushall(void) {
fflush(0);
}
int fflush(FILE *stream) {
if (stream==0) {
int res;
FILE *f;
__fflush_stdin();
__fflush_stdout();
__fflush_stderr();
for (res=0, f=__stdio_root; f; f=f->next)
if (fflush(f))
res=-1;
return res;
}
// if (stream->flags&NOBUF) return 0;
if (stream->flags&BUFINPUT) {
register int tmp;
if ((tmp=stream->bm-stream->bs)) {
lseek(stream->fd,tmp,SEEK_CUR);
}
stream->bs=stream->bm=0;
} else {
if (stream->bm && write(stream->fd,stream->buf,stream->bm)!=(int)stream->bm) {
stream->flags|=ERRORINDICATOR;
return -1;
}
stream->bm=0;
}
return 0;
}
int __fflush4(FILE *stream,int next) {
if (!__stdio_atexit) {
__stdio_atexit=1;
atexit(__stdio_flushall);
}
if ((stream->flags&BUFINPUT)!=next) {
int res=fflush(stream);
stream->flags=(stream->flags&~BUFINPUT)|next;
return res;
}
if (stream->fd==0) __fflush_stdout();
return 0;
}
/* Internal function, has no prototype.
* This is defined here because of the weak symbol ELF semantics */
int __stdio_outs(const char *s,size_t len);
int __stdio_outs(const char *s,size_t len) {
return fwrite(s,1,(size_t)len,stdout)==len?1:0;
}
link_warning("fflush","warning: your code uses stdio (7+k bloat).")
|
