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remove another invalid skip of locking in ungetwc

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This commit is contained in:
Rich Felker 2015-06-06 18:20:30 +00:00
parent 3d7e32d28d
commit 312eea2ea4
1 changed files with 1 additions and 3 deletions
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4
src/stdio/ungetwc.c
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@ -9,14 +9,12 @@ wint_t ungetwc(wint_t c, FILE *f)
unsigned char mbc[MB_LEN_MAX]; unsigned char mbc[MB_LEN_MAX];
int l=1; int l=1;
if (c == WEOF) return c;
FLOCK(f); FLOCK(f);
f->mode |= f->mode+1; f->mode |= f->mode+1;
if (!f->rpos) __toread(f); if (!f->rpos) __toread(f);
if (!f->rpos || f->rpos < f->buf - UNGET + l || if (!f->rpos || f->rpos < f->buf - UNGET + l || c == WEOF ||
(!isascii(c) && (l = wctomb((void *)mbc, c)) < 0)) { (!isascii(c) && (l = wctomb((void *)mbc, c)) < 0)) {
FUNLOCK(f); FUNLOCK(f);
return WEOF; return WEOF;