eal: explicit cast of strlcpy return

GCC 8.1 warns:
rte_string_fns.h: In function 'rte_strlcpy':
rte_string_fns.h:58:9:
warning: conversion to 'size_t' {aka 'long unsigned int'} from
'int' may change the sign of the result [-Wsign-conversion]
  return snprintf(dst, size, "%s", src);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fixes: 5364de644a4b ("eal: support strlcpy function")

Signed-off-by: Andy Green <andy@warmcat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_eal/common/include/rte_string_fns.h b/lib/librte_eal/common/include/rte_string_fns.h
index fcbb42e..97597a1 100644 (file)
--- a/lib/librte_eal/common/include/rte_string_fns.h
+++ b/lib/librte_eal/common/include/rte_string_fns.h
@@ -55,7 +55,7 @@ rte_strsplit(char *string, int stringlen,
 static inline size_t
 rte_strlcpy(char *dst, const char *src, size_t size)
 {
-       return snprintf(dst, size, "%s", src);
+       return (size_t)snprintf(dst, size, "%s", src);
 }
 
 /* pull in a strlcpy function */