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1998-09-10  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/tmpnam.c: Move local static variable buf to
	toplevel and rename to tmpnam_buffer to ease debugging.
	Patch by Joe Keane <jgk@jgk.org>.
	Optimize s == NULL case a bit.
This commit is contained in:
Ulrich Drepper 1998-09-10 13:11:25 +00:00
parent 482a3be299
commit 2c86b2bc6e
2 changed files with 13 additions and 8 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
1998-09-10 Ulrich Drepper <drepper@cygnus.com>
* stdio-common/tmpnam.c: Move local static variable buf to
toplevel and rename to tmpnam_buffer to ease debugging.
Patch by Joe Keane <jgk@jgk.org>.
Optimize s == NULL case a bit.
1998-09-10 12:51 Ulrich Drepper <drepper@cygnus.com> 1998-09-10 12:51 Ulrich Drepper <drepper@cygnus.com>
* resolv/res_init.c (res_init): Initialize _res.nscount and * resolv/res_init.c (res_init): Initialize _res.nscount and

14
stdio-common/tmpnam.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1993, 1996, 1997 Free Software Foundation, Inc. /* Copyright (C) 1991, 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -19,6 +19,8 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
static char tmpnam_buffer[L_tmpnam];
/* Generate a unique filename in P_tmpdir. /* Generate a unique filename in P_tmpdir.
This function is *not* thread safe! */ This function is *not* thread safe! */
@ -27,7 +29,6 @@ tmpnam (char *s)
{ {
/* By using two buffers we manage to be thread safe in the case /* By using two buffers we manage to be thread safe in the case
where S != NULL. */ where S != NULL. */
static char buf[L_tmpnam];
char tmpbuf[L_tmpnam]; char tmpbuf[L_tmpnam];
/* In the following call we use the buffer pointed to by S if /* In the following call we use the buffer pointed to by S if
@ -40,10 +41,7 @@ tmpnam (char *s)
return NULL; return NULL;
if (s == NULL) if (s == NULL)
{ return (char *) memcpy (tmpnam_buffer, tmpbuf, L_tmpnam);
memcpy (buf, tmpbuf, L_tmpnam);
return buf; return s;
}
else
return s;
} }