1 files changed, 4 insertions, 3 deletions
diff --git a/libopkg/sprintf_alloc.c b/libopkg/sprintf_alloc.c
index 7989493..2e3200b 100644
--- a/libopkg/sprintf_alloc.c
+++ b/libopkg/sprintf_alloc.c
@@ -24,14 +24,15 @@
 int sprintf_alloc(char **str, const char *fmt, ...)
 {
     va_list ap;
-    int n, size = 100;
+    int n;
+    unsigned size = 100;
 
     if (!str) {
-      fprintf(stderr, "Null string pointer passed to sprintf_alloc\n");
+      opkg_msg(ERROR, "Internal error: str=NULL.\n");
       return -1;
     }
     if (!fmt) {
-      fprintf(stderr, "Null fmt string passed to sprintf_alloc\n");
+      opkg_msg(ERROR, "Internal error: fmt=NULL.\n");
       return -1;
     }