diff options
Diffstat (limited to 'newlib/libc/stdio/fgets.c')
| -rw-r--r-- | newlib/libc/stdio/fgets.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/newlib/libc/stdio/fgets.c b/newlib/libc/stdio/fgets.c index d395d33..46e1900 100644 --- a/newlib/libc/stdio/fgets.c +++ b/newlib/libc/stdio/fgets.c @@ -80,6 +80,7 @@ _DEFUN (fgets, (buf, n, fp), s = buf; + _flockfile(fp); #ifdef __SCLE if (fp->_flags & __SCLE) { @@ -92,8 +93,12 @@ _DEFUN (fgets, (buf, n, fp), break; } if (c == EOF && s == buf) - return NULL; + { + _funlockfile(fp); + return NULL; + } *s = 0; + _funlockfile(fp); return buf; } #endif @@ -110,7 +115,10 @@ _DEFUN (fgets, (buf, n, fp), { /* EOF: stop with partial or no line */ if (s == buf) - return 0; + { + _funlockfile(fp); + return 0; + } break; } len = fp->_r; @@ -133,6 +141,7 @@ _DEFUN (fgets, (buf, n, fp), fp->_p = t; (void) memcpy ((_PTR) s, (_PTR) p, len); s[len] = 0; + _funlockfile(fp); return (buf); } fp->_r -= len; @@ -142,5 +151,6 @@ _DEFUN (fgets, (buf, n, fp), } while ((n -= len) != 0); *s = 0; + _funlockfile(fp); return buf; } |