[dpdk-dev] [PATCH] rte_string_fns.h: fix gcc8.1 sign conv warning in lstrcpy

[Andy Green]

In file included from ./dpdk/dpdk.c:88:
/projects/lagopus/src/dpdk/build/include/rte_string_fns.h: In
function 'rte_strlcpy':
/projects/lagopus/src/dpdk/build/include/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);
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Andy Green <a...@warmcat.com>
---
 lib/librte_eal/common/include/rte_string_fns.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_eal/common/include/rte_string_fns.h 
b/lib/librte_eal/common/include/rte_string_fns.h
index fcbb42e00..97597a148 100644
--- 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 */