Fix build on -current (use TMPDIR environment variable to get preferred

tmp directory, and fall back to _PATH_TMP, instead of using header
definitions that are no longer visible by default.)

Submitted by:	Steven G. Kargl <kargl@troutmask.apl.washington.edu> (based on)
PR:		ports/42510

1 files changed, 27 insertions, 15 deletions

diff --git a/news/knews/files/patch-file.c b/news/knews/files/patch-file.c
index 83d1cd661508..0237d12c3632 100644
--- a/news/knews/files/patch-file.c
+++ b/news/knews/files/patch-file.c
@@ -1,27 +1,39 @@
-Use mkstemp instead of tmpnam. Copied from the tmpnam implementation :)
-
-	-mi
-
---- src/file.c	Fri Jan  9 12:16:19 1998
-+++ src/file.c	Fri Jul 13 10:41:01 2001
-@@ -187,13 +187,11 @@
-     int	fd;
-+    static unsigned long tmpcount;
-+    static char buf[L_tmpnam];
+--- src/file.c.orig	Fri Jan  9 09:16:19 1998
++++ src/file.c	Sat Sep  7 16:51:54 2002
+@@ -4,6 +4,7 @@
+ 
+ #include "global.h"
+ #include <sys/stat.h>
++#include <paths.h>
+ #include "expand.h"
+ #include "file.h"
  
+@@ -185,16 +186,18 @@
+ int create_temp_fd(char **name)
+ {
+     int	fd;
+-
 -    *name = tmpnam(NULL);
 -    if (!*name)
 -	fd = -1;
 -    else {
-+    (void)snprintf(buf, L_tmpnam, "%stmp.%lu.XXXXXX", P_tmpdir, tmpcount++);
-+    *name = buf;
-+    fd = mkstemp(buf);
-+    if (fd < 0)
-+	*name = NULL;
 -	unlink(*name);
 -	fd = open(*name, O_RDWR|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR);
 -	if (fd < 0)
 -	    *name = NULL;
 -    }
++    char filename[FILENAME_MAX];
++    char *tmpdir;
++ 
++    if ((tmpdir = getenv("TMPDIR")) == NULL)
++	tmpdir = _PATH_TMP;
++    strlcpy(filename, tmpdir, FILENAME_MAX);
++    strlcat(filename, "/tmp.XXXXXX", FILENAME_MAX); 
++	
++    if ((fd = mkstemp(filename)) == -1)
++	*name = NULL;
++    else
++        *name = filename;
  
      return fd;
+ }