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avoid depending on POSIX symbol in code used from plain C functions

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This commit is contained in:
Rich Felker 2012-04-17 13:17:01 -04:00
commit 8b57a81577
1 changed files with 3 additions and 1 deletions
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4
src/stdio/__string_read.c
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@ -3,7 +3,9 @@
size_t __string_read(FILE *f, unsigned char *buf, size_t len) size_t __string_read(FILE *f, unsigned char *buf, size_t len)
{ {
char *src = f->cookie; char *src = f->cookie;
size_t k = strnlen(src, len+256); size_t k = len+256;
char *end = memchr(src, 0, k);
if (end) k = end-src;
if (k < len) len = k; if (k < len) len = k;
memcpy(buf, src, len); memcpy(buf, src, len);
f->rpos = (void *)(src+len); f->rpos = (void *)(src+len);