File: fwrite.c

package info (click to toggle)
syslinux 3%3A6.04~git20190206.bf6db5b4%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 16,912 kB
  • sloc: ansic: 189,344; asm: 5,148; pascal: 4,825; perl: 1,980; makefile: 1,973; python: 266; sh: 176; xml: 39
file content (32 lines) | stat: -rw-r--r-- 451 bytes parent folder | download | duplicates (9) 
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
 
/*
 * fwrite.c
 */

#include <errno.h>
#include <unistd.h>
#include <stdio.h>

size_t _fwrite(const void *buf, size_t count, FILE * f)
{
    size_t bytes = 0;
    ssize_t rv;
    const char *p = buf;

    while (count) {
	rv = write(fileno(f), p, count);
	if (rv == -1) {
	    if (errno == EINTR || errno == EAGAIN)
		continue;
	    else
		break;
	} else if (rv == 0) {
	    break;
	}

	p += rv;
	bytes += rv;
	count -= rv;
    }

    return bytes;
}