Use asprintf() if the platform supports it

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

1 files changed, 9 insertions, 3 deletions

diff --git a/xkbcomp.c b/xkbcomp.c
index d97220f..c5775fa 100644
--- a/xkbcomp.c
+++ b/xkbcomp.c
@@ -24,6 +24,7 @@
 
  ********************************************************/
 
+#include "utils.h"
 #include <stdio.h>
 #include <ctype.h>
 #include <X11/keysym.h>
@@ -759,15 +760,20 @@ parseArgs(int argc, char *argv[])
     }
     else if ((!outputFile) && (inputFile) && (strcmp(inputFile, "-") == 0))
     {
-        int len = strlen("stdin") + strlen(fileTypeExt[outputFormat]) + 2;
+#ifdef HAVE_ASPRINTF
+        if (asprintf(&outputFile, "stdin.%s", fileTypeExt[outputFormat]) < 0)
+#else
+        size_t len = strlen("stdin") + strlen(fileTypeExt[outputFormat]) + 2;
         outputFile = calloc(len, sizeof(char));
-        if (outputFile == NULL)
+        if (outputFile != NULL)
+            snprintf(outputFile, len, "stdin.%s", fileTypeExt[outputFormat]);
+        else
+#endif
         {
             WSGO("Cannot allocate space for output file name\n");
             ACTION("Exiting\n");
             exit(1);
         }
-        snprintf(outputFile, len, "stdin.%s", fileTypeExt[outputFormat]);
     }
     else if ((outputFile == NULL) && (inputFile != NULL))
     {