X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Ftools.c;h=09cc3d3a17b362b324b99d5ef20fc922d885ff36;hp=77f77f0fe6741b09904f64d31ddd147871f7e40b;hb=ee0626765b8cbf209cece44090e689726ac334ed;hpb=298dc1222201440ccfbf39f59a68b37aa910ff0c

diff --git a/tools/tools.c b/tools/tools.c
index 77f77f0f..09cc3d3a 100644
--- a/tools/tools.c
+++ b/tools/tools.c
@@ -17,7 +17,7 @@
 #include <assert.h>
 #include "tools.h"
 
-static char *tmpdir = NULL;
+static const char *tmpdir = NULL;
 bool tools_verbose = false;
 
 /* Ten minutes. */
@@ -176,7 +176,7 @@ bool run_command(const void *ctx, unsigned int *time_ms, char **output,
 	return false;
 }
 
-static int unlink_all(char *dir)
+static int unlink_all(const char *dir)
 {
 	char cmd[strlen(dir) + sizeof("rm -rf ")];
 	sprintf(cmd, "rm -rf %s", dir);
@@ -187,7 +187,7 @@ static int unlink_all(char *dir)
 	return 0;
 }
 
-char *temp_dir(const void *ctx)
+const char *temp_dir(const void *ctx)
 {
 	/* For first call, create dir. */
 	while (!tmpdir) {