1 | #include "stdio_impl.h" |
2 | #include <string.h> |
3 | |
4 | size_t __fwritex(const unsigned char *restrict s, size_t l, FILE *restrict f) |
5 | { |
6 | size_t i=0; |
7 | |
8 | if (!f->wend && __towrite(f)) return 0; |
9 | |
10 | if (l > f->wend - f->wpos) return f->write(f, s, l); |
11 | |
12 | if (f->lbf >= 0) { |
13 | |
14 | for (i=l; i && s[i-1] != '\n'; i--); |
15 | if (i) { |
16 | size_t n = f->write(f, s, i); |
17 | if (n < i) return n; |
18 | s += i; |
19 | l -= i; |
20 | } |
21 | } |
22 | |
23 | memcpy(f->wpos, s, l); |
24 | f->wpos += l; |
25 | return l+i; |
26 | } |
27 | |
28 | size_t fwrite(const void *restrict src, size_t size, size_t nmemb, FILE *restrict f) |
29 | { |
30 | size_t k, l = size*nmemb; |
31 | if (!size) nmemb = 0; |
| |
| |
32 | FLOCK(f)int __need_unlock = ((f)->lock>=0 ? __lockfile((f)) : 0 ); |
33 | k = __fwritex(src, l, f); |
34 | FUNLOCK(f)if (__need_unlock) __unlockfile((f)); else; |
35 | return k==l ? nmemb : k/size; |
| |
| |
36 | } |
37 | |
38 | weak_alias(fwrite, fwrite_unlocked)extern __typeof(fwrite) fwrite_unlocked __attribute__((weak, alias ("fwrite"))); |