ccomps: use size_t when dealing with buffer sizes in chkGraphName

Squashes a -Wconversion and a -Wsign-conversion warning.

diff --git a/cmd/tools/ccomps.c b/cmd/tools/ccomps.c
index 7fddaafa02d5520b4f4f7ec60875a0236c59b7cd..48c279711605919635c27099226a23a9976d3d45 100644 (file)
--- a/cmd/tools/ccomps.c
+++ b/cmd/tools/ccomps.c
@@ -895,12 +895,11 @@ static char*
 chkGraphName (Agraph_t* g)
 {
     static char* buf = NULL;
-    static int buflen = 0;
+    static size_t buflen = 0;
     char* s = agnameof(g);
-    int len;
 
     if (*s != '%') return s;
-    len = strlen(s) + 2;   /* plus '\0' and '_' */
+    size_t len = strlen(s) + 2;   /* plus '\0' and '_' */
     if (len > buflen) {
        buf = xrealloc (buf, len);
        buflen = len;