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-rw-r--r--stdio-common/tempnam.c14
-rw-r--r--stdio-common/temptest.c3
-rw-r--r--stdio-common/tmpfile.c8
-rw-r--r--stdio-common/tmpnam.c43
-rw-r--r--stdio-common/tmpnam_r.c37
5 files changed, 75 insertions, 30 deletions
diff --git a/stdio-common/tempnam.c b/stdio-common/tempnam.c
index 14988a8..a86ac08 100644
--- a/stdio-common/tempnam.c
+++ b/stdio-common/tempnam.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1996 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
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
-#include <ansidecl.h>
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
@@ -32,19 +31,20 @@ Cambridge, MA 02139, USA. */
P_tmpdir is tried and finally "/tmp". The storage for the filename
is allocated by `malloc'. */
char *
-DEFUN(tempnam, (dir, pfx), CONST char *dir AND CONST char *pfx)
+tempnam (const char *dir, const char *pfx)
{
+ char buf[FILENAME_MAX];
size_t len;
register char *s;
- register char *t = __stdio_gen_tempname(dir, pfx, 1, &len, (FILE **) NULL);
+ register char *t = __stdio_gen_tempname (buf, sizeof (buf), dir, pfx, 1,
+ &len, (FILE **) NULL);
if (t == NULL)
return NULL;
- s = (char *) malloc(len);
+ s = (char *) malloc (len);
if (s == NULL)
return NULL;
- (void) memcpy(s, t, len);
- return s;
+ return (char *) memcpy (s, t, len);
}
diff --git a/stdio-common/temptest.c b/stdio-common/temptest.c
index 3747198..09786b2 100644
--- a/stdio-common/temptest.c
+++ b/stdio-common/temptest.c
@@ -7,12 +7,13 @@ char *files[500];
int
main ()
{
+ char buf[FILENAME_MAX];
char *fn;
FILE *fp;
int i;
for (i = 0; i < 500; i++) {
- fn = __stdio_gen_tempname((CONST char *) NULL,
+ fn = __stdio_gen_tempname(buf, sizeof (buf), (CONST char *) NULL,
"file", 0, (size_t *) NULL, (FILE **) NULL);
if (fn == NULL) {
printf ("__stdio_gen_tempname failed\n");
diff --git a/stdio-common/tmpfile.c b/stdio-common/tmpfile.c
index dfe11ad..924df9b 100644
--- a/stdio-common/tmpfile.c
+++ b/stdio-common/tmpfile.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1996 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
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
-#include <ansidecl.h>
#include <stdio.h>
@@ -25,12 +24,13 @@ Cambridge, MA 02139, USA. */
If we couldn't generate a unique filename or the file couldn't
be opened, NULL is returned. */
FILE *
-DEFUN_VOID(tmpfile)
+tmpfile ()
{
+ char buf[FILENAME_MAX];
char *filename;
FILE *f;
- filename = __stdio_gen_tempname ((char *) NULL, "tmpf", 0,
+ filename = __stdio_gen_tempname (buf, sizeof (buf), (char *) NULL, "tmpf", 0,
(size_t *) NULL, &f);
if (filename == NULL)
return NULL;
diff --git a/stdio-common/tmpnam.c b/stdio-common/tmpnam.c
index 88dd0a4..44397bc 100644
--- a/stdio-common/tmpnam.c
+++ b/stdio-common/tmpnam.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1996 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
@@ -16,27 +16,34 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
-#include <ansidecl.h>
-#include <stddef.h>
#include <stdio.h>
#include <string.h>
-/* Generate a unique filename in P_tmpdir. */
+/* Generate a unique filename in P_tmpdir.
+
+ This function is *not* thread safe! */
char *
-DEFUN(tmpnam, (s), register char *s)
+tmpnam (char *s)
{
- register char *t = __stdio_gen_tempname((CONST char *) NULL,
- (CONST char *) NULL, 0,
- (size_t *) NULL, (FILE **) NULL);
-
- if (t == NULL)
- return NULL;
-
- if (s != NULL)
- (void) strcpy(s, t);
- else
- s = t;
-
- return s;
+ /* By using two buffers we manage to be thread safe in the case
+ where S != NULL. */
+ static char buf[L_tmpnam];
+ char *tmpbuf[L_tmpnam];
+ char *result;
+
+ /* In the following call we use the buffer pointed to by S if
+ non-NULL although we don't know the size. But we limit the size
+ to FILENAME_MAX characters in any case. */
+ result = __stdio_gen_tempname (s ?: tmpbuf, L_tmpnam, (const char *) NULL,
+ (const char *) NULL, 0,
+ (size_t *) NULL, (FILE **) NULL);
+
+ if (result != NULL && s == NULL)
+ {
+ memcpy (buf, result, L_tmpnam);
+ result = buf;
+ }
+
+ return result;
}
diff --git a/stdio-common/tmpnam_r.c b/stdio-common/tmpnam_r.c
new file mode 100644
index 0000000..2794e77
--- /dev/null
+++ b/stdio-common/tmpnam_r.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1993, 1996 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
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <string.h>
+
+
+/* Generate a unique filename in P_tmpdir. If S is NULL return NULL.
+ This makes this function thread safe. */
+char *
+tmpnam_r (char *s)
+{
+ if (s == NULL)
+ return NULL;
+
+ /* In the following call we use the buffer pointed to by S if
+ non-NULL although we don't know the size. But we limit the size
+ to L_tmpnam characters in any case. */
+ return __stdio_gen_tempname (s, L_tmpnam, (const char *) NULL,
+ (const char *) NULL, 0,
+ (size_t *) NULL, (FILE **) NULL);
+}