Use asprintf() if the platform supports it

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/listing.c b/listing.c
index f8b1186..d367e3f 100644
--- a/listing.c
+++ b/listing.c
@@ -70,6 +70,7 @@ SOFTWARE.
 
 ******************************************************************/
 
+#include "utils.h"
 #include <stdio.h>
 #include <ctype.h>
 #include <sys/types.h>
@@ -303,19 +304,24 @@ AddDirectory(char *head, char *ptrn, char *rest, char *map)
     {
         char *tmp, *filename;
         struct stat sbuf;
-        size_t tmpsize;
 
         filename = FileName(file);
         if (!filename || filename[0] == '.')
             continue;
         if (ptrn && (!XkbNameMatchesPattern(filename, ptrn)))
             continue;
-        tmpsize = (head ? strlen(head) : 0) + strlen(filename) + 2;
+#ifdef HAVE_ASPRINTF
+        if (asprintf(&tmp, "%s%s%s",
+                     (head ? head : ""), (head ? "/" : ""), filename) < 0)
+            continue;
+#else
+        size_t tmpsize = (head ? strlen(head) : 0) + strlen(filename) + 2;
         tmp = malloc(tmpsize);
         if (!tmp)
             continue;
         snprintf(tmp, tmpsize, "%s%s%s",
                  (head ? head : ""), (head ? "/" : ""), filename);
+#endif
         if (stat(tmp, &sbuf) < 0)
         {
             free(tmp);