X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=base64.c;h=1bf21772fbed448f75e9b5c299c2db5ddf48fcd6;hb=b77f2a4ce9034d4341668bb61ca55fc177ee7729;hp=4186ce848c7125190f90da583bf6aa4f735cf0bc;hpb=d66a89f010247f20a9803f2bef1c3dc1d7d706b9;p=project%2Flibubox.git

diff --git a/base64.c b/base64.c
index 4186ce8..1bf2177 100644
--- a/base64.c
+++ b/base64.c
@@ -65,6 +65,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+
+#include "assert.h"
 #include "utils.h"
 
 static const char Base64[] =
@@ -142,7 +144,9 @@ int b64_encode(const void *_src, size_t srclength,
 	size_t datalength = 0;
 	u_char input[3] = {0};
 	u_char output[4];
-	int i;
+	size_t i;
+
+	assert(dest && targsize > 0);
 
 	while (2 < srclength) {
 		input[0] = *src++;
@@ -200,13 +204,16 @@ int b64_decode(const void *_src, void *dest, size_t targsize)
 {
 	const char *src = _src;
 	unsigned char *target = dest;
-	int tarindex, state, ch;
+	int state, ch;
+	size_t tarindex;
 	u_char nextbyte;
 	char *pos;
 
 	state = 0;
 	tarindex = 0;
 
+	assert(dest && targsize > 0);
+
 	while ((ch = (unsigned char)*src++) != '\0') {
 		if (isspace(ch))	/* Skip whitespace anywhere. */
 			continue;