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| author | Thomas Fitzsimmons <fitzsim@redhat.com> | 2002-05-08 00:12:49 +0000 |
|---|---|---|
| committer | Thomas Fitzsimmons <fitzsim@redhat.com> | 2002-05-08 00:12:49 +0000 |
| commit | e71372faea4af670215b087a69c2b7432181a852 (patch) | |
| tree | 5adf28cd89c62937515cb7362e878ec45b51d190 /newlib/libc/stdio/fgets.c | |
| parent | 735bb7e7d7c52aedc7099411ef235fee206e7240 (diff) | |
| download | cygnal-e71372faea4af670215b087a69c2b7432181a852.tar.gz cygnal-e71372faea4af670215b087a69c2b7432181a852.tar.bz2 cygnal-e71372faea4af670215b087a69c2b7432181a852.zip | |
* libc/include/sys/stdio.h: New file.
* libc/sys/linux/sys/stdio.h: New file.
* libc/include/stdio.h: Add declarations for flockfile,
ftrylockfile, and funlockfile. Include <sys/stdio.h>.
* libc/stdio/clearerr.c: Add file locking.
* libc/stdio/fclose.c: Likewise.
* libc/stdio/feof.c: Likewise.
* libc/stdio/ferror.c: Likewise.
* libc/stdio/fflush.c: Likewise.
* libc/stdio/fgetc.c: Likewise.
* libc/stdio/fgetpos.c: Likewise.
* libc/stdio/fgets.c: Likewise.
* libc/stdio/fileno.c: Likewise.
* libc/stdio/fputc.c: Likewise.
* libc/stdio/fputs.c: Likewise.
* libc/stdio/fread.c: Likewise.
* libc/stdio/freopen.c: Likewise.
* libc/stdio/fseek.c: Likewise.
* libc/stdio/ftell.c: Likewise.
* libc/stdio/fwrite.c: Likewise.
* libc/stdio/getc.c: Likewise.
* libc/stdio/putc.c: Likewise.
* libc/stdio/setvbuf.c: Likewise.
* libc/stdio/ungetc.c: Likewise.
* libc/stdio/vfprintf.c: Likewise.
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 d395d3344..46e190077 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; } |