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-rw-r--r--misc/err.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/misc/err.c b/misc/err.c
index 56ca808..3482944 100644
--- a/misc/err.c
+++ b/misc/err.c
@@ -1,5 +1,5 @@
/* err.c --- 4.4BSD utility functions for error messages.
- Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -24,6 +24,11 @@
#include <string.h>
#include <stdio.h>
+#ifdef USE_IN_LIBIO
+# define flockfile(s) _IO_flockfile (s)
+# define funlockfile(s) _IO_funlockfile (s)
+#endif
+
extern char *__progname;
#define VA(call) \
@@ -37,11 +42,13 @@ extern char *__progname;
void
vwarnx (const char *format, __gnuc_va_list ap)
{
+ flockfile (stderr);
if (__progname)
fprintf (stderr, "%s: ", __progname);
if (format)
vfprintf (stderr, format, ap);
- putc ('\n', stderr);
+ putc_unlocked ('\n', stderr);
+ funlockfile (stderr);
}
void
@@ -49,15 +56,17 @@ vwarn (const char *format, __gnuc_va_list ap)
{
int error = errno;
+ flockfile (stderr);
if (__progname)
fprintf (stderr, "%s: ", __progname);
if (format)
{
vfprintf (stderr, format, ap);
- fputs (": ", stderr);
+ fputs_unlocked (": ", stderr);
}
__set_errno (error);
fprintf (stderr, "%m\n");
+ funlockfile (stderr);
}