From: Jouni Malinen <j@w1.fi>
Date: Sat, 6 Dec 2014 22:03:28 +0000 (+0200)
Subject: Add os_snprintf_error() helper
X-Git-Tag: hostap_2_4~875
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0047306bc9ab7d46e8cc22ff9a3e876c47626473;p=thirdparty%2Fhostap.git

Add os_snprintf_error() helper

This can be used to check os_snprintf() return value more consistently.

Signed-off-by: Jouni Malinen <j@w1.fi>
---

diff --git a/src/utils/os.h b/src/utils/os.h
index b9247d899..77250d637 100644
--- a/src/utils/os.h
+++ b/src/utils/os.h
@@ -549,6 +549,12 @@ char * os_strdup(const char *s);
 #endif /* OS_NO_C_LIB_DEFINES */
 
 
+static inline int os_snprintf_error(size_t size, int res)
+{
+	return res < 0 || (unsigned int) res >= size;
+}
+
+
 static inline void * os_realloc_array(void *ptr, size_t nmemb, size_t size)
 {
 	if (size && nmemb > (~(size_t) 0) / size)