gxl2gv pushString: use 'size_t' to track buffer size

Squashes -Wconversion warnings.

diff --git a/cmd/tools/gxl2gv.c b/cmd/tools/gxl2gv.c
index d8fc152755559c604ea17c97296489aae01e3542..0d8f4e8b7d99b22b1c615621c6e5c722f8d9816b 100644 (file)
--- a/cmd/tools/gxl2gv.c
+++ b/cmd/tools/gxl2gv.c
@@ -15,6 +15,7 @@
 #include    <expat.h>
 #include    <ctype.h>
 #include    <stdbool.h>
+#include    <stdlib.h>
 
 #ifndef XML_STATUS_ERROR
 #define XML_STATUS_ERROR 0
@@ -64,7 +65,7 @@ static void *gcalloc(size_t nmemb, size_t size)
 
 static void pushString(slist ** stk, const char *s)
 {
-    int sz = ROUND2(sizeof(slist) + strlen(s), sizeof(void *));
+    size_t sz = ROUND2(sizeof(slist) + strlen(s), sizeof(void *));
     slist *sp = gcalloc(sz, sizeof(char));
     strcpy(sp->buf, s);
     sp->next = *stk;