configure: Prefix libc-related variables with "libc_"

[ffmpeg] / libavutil / base64.c

diff --git a/libavutil/base64.c b/libavutil/base64.c
index d84ca36984858169654a67a5daf87a639e6971e1..725b03504d68fea5a11073affb6fa43413cfb33b 100644 (file)
--- a/libavutil/base64.c
+++ b/libavutil/base64.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -44,10 +44,10 @@ static const uint8_t map2[] =
 
 int av_base64_decode(uint8_t *out, const char *in, int out_size)
 {
-    int i, v;
+    int i;
+    unsigned v = 0;
     uint8_t *dst = out;
 
-    v = 0;
     for (i = 0; in[i] && in[i] != '='; i++) {
         unsigned int index= in[i]-43;
         if (index>=FF_ARRAY_ELEMS(map2) || map2[index] == 0xff)
@@ -79,7 +79,7 @@ char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size)
     int bytes_remaining = in_size;
 
     if (in_size >= UINT_MAX / 4 ||
-        out_size < (in_size+2) / 3 * 4 + 1)
+        out_size < AV_BASE64_SIZE(in_size))
         return NULL;
     ret = dst = out;
     while (bytes_remaining) {
@@ -101,8 +101,6 @@ char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size)
 
 #ifdef TEST
 
-#undef printf
-
 #define MAX_DATA_SIZE    1024
 #define MAX_ENCODED_SIZE 2048
 
@@ -158,7 +156,10 @@ int main(void)
     for (i = 0; i < FF_ARRAY_ELEMS(tests); i++)
         error_count += test_encode_decode(tests[i].data, strlen(tests[i].data), tests[i].encoded_ref);
 
-    return error_count;
+    if (error_count)
+        printf("Error Count: %d.\n", error_count);
+
+    return !!error_count;
 }
 
 #endif