X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Fbprint.c;h=f9d5d6ad40f3006d78b1aaad5169ffaf6465da6b;hb=465a72b4b4ad1366b47436506a1352ee0c0ef232;hp=115bf0c8de6aebbf8c5f492cffe91fba86c67488;hpb=ca7fa3a5167dc480917491bca4a1bc873d24125a;p=ffmpeg

diff --git a/libavutil/bprint.c b/libavutil/bprint.c
index 115bf0c8de6..f9d5d6ad40f 100644
--- a/libavutil/bprint.c
+++ b/libavutil/bprint.c
@@ -78,6 +78,15 @@ void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
         av_bprint_alloc(buf, size_init - 1);
 }
 
+void av_bprint_init_for_buffer(AVBPrint *buf, char *buffer, unsigned size)
+{
+    buf->str      = buffer;
+    buf->len      = 0;
+    buf->size     = size;
+    buf->size_max = size;
+    *buf->str = 0;
+}
+
 void av_bprintf(AVBPrint *buf, const char *fmt, ...)
 {
     unsigned room;
@@ -178,35 +187,40 @@ static void bprint_pascal(AVBPrint *b, unsigned size)
 int main(void)
 {
     AVBPrint b;
+    char buf[256];
 
     av_bprint_init(&b, 0, -1);
     bprint_pascal(&b, 5);
-    printf("Short text in unlimited buffer: %zu/%u\n", strlen(b.str), b.len);
+    printf("Short text in unlimited buffer: %u/%u\n", (unsigned)strlen(b.str), b.len);
     printf("%s\n", b.str);
     av_bprint_finalize(&b, NULL);
 
     av_bprint_init(&b, 0, -1);
     bprint_pascal(&b, 25);
-    printf("Long text in unlimited buffer: %zu/%u\n", strlen(b.str), b.len);
+    printf("Long text in unlimited buffer: %u/%u\n", (unsigned)strlen(b.str), b.len);
     av_bprint_finalize(&b, NULL);
 
     av_bprint_init(&b, 0, 2048);
     bprint_pascal(&b, 25);
-    printf("Long text in limited buffer: %zu/%u\n", strlen(b.str), b.len);
+    printf("Long text in limited buffer: %u/%u\n", (unsigned)strlen(b.str), b.len);
     av_bprint_finalize(&b, NULL);
 
     av_bprint_init(&b, 0, 1);
     bprint_pascal(&b, 5);
-    printf("Short text in automatic buffer: %zu/%u\n", strlen(b.str), b.len);
+    printf("Short text in automatic buffer: %u/%u\n", (unsigned)strlen(b.str), b.len);
 
     av_bprint_init(&b, 0, 1);
     bprint_pascal(&b, 25);
-    printf("Long text in automatic buffer: %zu/%u\n", strlen(b.str), b.len);
+    printf("Long text in automatic buffer: %u/%u\n", (unsigned)strlen(b.str)/8*8, b.len);
     /* Note that the size of the automatic buffer is arch-dependant. */
 
     av_bprint_init(&b, 0, 0);
     bprint_pascal(&b, 25);
-    printf("Long text count only buffer: %zu/%u\n", strlen(b.str), b.len);
+    printf("Long text count only buffer: %u/%u\n", (unsigned)strlen(b.str), b.len);
+
+    av_bprint_init_for_buffer(&b, buf, sizeof(buf));
+    bprint_pascal(&b, 25);
+    printf("Long text count only buffer: %u/%u\n", (unsigned)strlen(buf), b.len);
 
     return 0;
 }