Use stack-allocated strings for temporary filenames.

[tinc] / src / conf.c

diff --git a/src/conf.c b/src/conf.c
index 997a05e..2e13e45 100644 (file)
--- a/src/conf.c
+++ b/src/conf.c
@@ -487,6 +487,7 @@ FILE *ask_and_open(const char *filename, const char *what) {
        FILE *r;
        char *directory;
        char line[PATH_MAX];
+       char abspath[PATH_MAX];
        const char *fn;
 
        /* Check stdin and stdout */
@@ -520,12 +521,10 @@ FILE *ask_and_open(const char *filename, const char *what) {
        if(fn[0] != '/') {
 #endif
                /* The directory is a relative path or a filename. */
-               char *p;
-
                directory = get_current_dir_name();
-               xasprintf(&p, "%s/%s", directory, fn);
+               snprintf(abspath, sizeof abspath, "%s/%s", directory, fn);
                free(directory);
-               fn = p;
+               fn = abspath;
        }
 
        umask(0077);                            /* Disallow everything for group and other */