From 313d0163e407381abff749cdd6538fd69bf94703 Mon Sep 17 00:00:00 2001
From: Xavier Santolaria <xsa@cvs.openbsd.org>
Date: Thu, 4 Aug 2005 13:31:15 +0000
Subject: handle TMPDIR environment variable as well as -T <tmpdir> global
 option; Ok jfb@ joris@.

---
 usr.bin/cvs/cvs.c | 28 ++++++++++++++++++++++++++--
 usr.bin/cvs/cvs.h |  4 +++-
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/usr.bin/cvs/cvs.c b/usr.bin/cvs/cvs.c
index 0e0dd26c415..e5277531a42 100644
--- a/usr.bin/cvs/cvs.c
+++ b/usr.bin/cvs/cvs.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cvs.c,v 1.79 2005/08/03 14:43:08 xsa Exp $	*/
+/*	$OpenBSD: cvs.c,v 1.80 2005/08/04 13:31:14 xsa Exp $	*/
 /*
  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
  * All rights reserved.
@@ -24,6 +24,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 
@@ -67,6 +68,7 @@ char *cvs_editor = CVS_EDITOR_DEFAULT;
 char *cvs_homedir = NULL;
 char *cvs_msg = NULL;
 char *cvs_repo_base = NULL;
+char *cvs_tmpdir = CVS_TMPDIR_DEFAULT;
 
 /* hierarchy of all the files affected by the command */
 CVSFILE *cvs_files;
@@ -99,6 +101,7 @@ main(int argc, char **argv)
 	int i, ret, cmd_argc;
 	struct cvs_cmd *cmdp;
 	struct passwd *pw;
+	struct stat st;
 
 	TAILQ_INIT(&cvs_variables);
 
@@ -136,6 +139,9 @@ main(int argc, char **argv)
 		cvs_homedir = pw->pw_dir;
         }
 
+	if ((envstr = getenv("TMPDIR")) != NULL)
+		cvs_tmpdir = envstr;
+
 	ret = cvs_getopt(argc, argv);
 
 	argc -= ret;
@@ -144,8 +150,23 @@ main(int argc, char **argv)
 		usage();
 		exit(1);
 	}
+
 	cvs_command = argv[0];
 
+	/*
+	 * check the tmp dir, either specified through
+	 * the environment variable TMPDIR, or via
+	 * the global option -T <dir>
+	 */
+	if (stat(cvs_tmpdir, &st) == -1) {
+		cvs_log(LP_ERR, "failed to stat `%s'", cvs_tmpdir);
+		exit(1);
+	} else if (!S_ISDIR(st.st_mode)) {
+		cvs_log(LP_ERR, "`%s' is not valid temporary directory",
+		    cvs_tmpdir);
+		exit(1);
+	}
+
 	if (cvs_readrc == 1) {
 		cvs_read_rcfile();
 
@@ -250,7 +271,7 @@ cvs_getopt(int argc, char **argv)
 	int ret;
 	char *ep;
 
-	while ((ret = getopt(argc, argv, "b:d:e:fHlnQqrs:tvz:")) != -1) {
+	while ((ret = getopt(argc, argv, "b:d:e:fHlnQqrs:T:tvz:")) != -1) {
 		switch (ret) {
 		case 'b':
 			/*
@@ -296,6 +317,9 @@ cvs_getopt(int argc, char **argv)
 			if (cvs_var_set(optarg, ep) < 0)
 				exit(1);
 			break;
+		case 'T':
+			cvs_tmpdir = optarg;
+			break;
 		case 't':
 			(void)cvs_log_filter(LP_FILTER_UNSET, LP_TRACE);
 			cvs_trace = 1;
diff --git a/usr.bin/cvs/cvs.h b/usr.bin/cvs/cvs.h
index 3ab9da87f59..db3eadc6694 100644
--- a/usr.bin/cvs/cvs.h
+++ b/usr.bin/cvs/cvs.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cvs.h,v 1.76 2005/08/03 14:43:08 xsa Exp $	*/
+/*	$OpenBSD: cvs.h,v 1.77 2005/08/04 13:31:14 xsa Exp $	*/
 /*
  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
  * All rights reserved.
@@ -109,6 +109,7 @@
 #define CVS_SERVER_DEFAULT	"cvs"
 #define CVS_RSH_DEFAULT		"ssh"
 #define CVS_EDITOR_DEFAULT	"vi"
+#define CVS_TMPDIR_DEFAULT	"/tmp"
 
 /* extensions */
 #define CVS_DESCR_FILE_EXT	",t"
@@ -301,6 +302,7 @@ extern char *cvs_editor;
 extern char *cvs_homedir;
 extern char *cvs_msg;
 extern char *cvs_rsh;
+extern char *cvs_tmpdir;
 
 extern int  verbosity;
 extern int  cvs_trace;
-- 
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