+2001-07-17 Ulrich Drepper <drepper@redhat.com>
+
+ * localealias.c (read_alias_file): Disable implicit locking
+ for the stream. Use _unlocked functions for glibc.
+
2001-11-11 Bruno Haible <haible@clisp.cons.org>
* Makefile.in (dist): Avoid using hard links, because the automake-1.5
#include <ctype.h>
#include <stdio.h>
+#if defined _LIBC || defined HAVE___FSETLOCKING
+# include <stdio_ext.h>
+#endif
#include <sys/types.h>
#ifdef __GNUC__
# define mempcpy __mempcpy
# endif
# define HAVE_MEMPCPY 1
+# define HAVE___FSETLOCKING 1
/* We need locking here since we can be called from different places. */
# include <bits/libc-lock.h>
# define internal_function
#endif
+/* Some optimizations for glibc. */
+#ifdef _LIBC
+# define FEOF(fp) feof_unlocked (fp)
+# define FGETS(buf, n, fp) fgets_unlocked (buf, n, fp)
+#else
+# define FEOF(fp) feof (fp)
+# define FGETS(buf, n, fp) fgets (buf, n, fp)
+#endif
+
/* For those losing systems which don't have `alloca' we have to add
some additional code emulating it. */
#ifdef HAVE_ALLOCA
if (fp == NULL)
return 0;
+#ifdef HAVE___FSETLOCKING
+ /* No threads present. */
+ __fsetlocking (fp, FSETLOCKING_BYCALLER);
+#endif
+
added = 0;
- while (!feof (fp))
+ while (!FEOF (fp))
{
/* It is a reasonable approach to use a fix buffer here because
a) we are only interested in the first two fields
char *value;
char *cp;
- if (fgets (buf, sizeof buf, fp) == NULL)
+ if (FGETS (buf, sizeof buf, fp) == NULL)
/* EOF reached. */
break;
{
char altbuf[BUFSIZ];
do
- if (fgets (altbuf, sizeof altbuf, fp) == NULL)
+ if (FGETS (altbuf, sizeof altbuf, fp) == NULL)
/* Make sure the inner loop will be left. The outer loop
will exit at the `feof' test. */
break;