---
doc/APIchanges | 3 +++
libavutil/mem.c | 20 ++++++++++++++++++++
libavutil/mem.h | 10 ++++++++++
libavutil/version.h | 2 +-
4 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/doc/APIchanges b/doc/APIchanges
index 6e5242e..fc56677 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -13,6 +13,9 @@ libavutil: 2014-08-09
API changes, most recent first:
+2014-08-xx - xxxxxxx - lavu 54.2.0 - mem.h
+ Add av_strndup().
+
2014-04-xx - xxxxxxx - lavr 2.1.0 - avresample.h
Add avresample_convert_frame() and avresample_config().
diff --git a/libavutil/mem.c b/libavutil/mem.c
index be42342..b7bb65c 100644
--- a/libavutil/mem.c
+++ b/libavutil/mem.c
@@ -222,6 +222,26 @@ char *av_strdup(const char *s)
return ptr;
}
+char *av_strndup(const char *s, size_t len)
+{
+ char *ret = NULL, *end;
+
+ if (!s)
+ return NULL;
+
+ end = memchr(s, 0, len);
+ if (end)
+ len = end - s;
+
+ ret = av_realloc(NULL, len + 1);
+ if (!ret)
+ return NULL;
+
+ memcpy(ret, s, len);
+ ret[len] = 0;
+ return ret;
+}
+
static void fill16(uint8_t *dst, int len)
{
uint32_t v = AV_RN16(dst - 2);
diff --git a/libavutil/mem.h b/libavutil/mem.h
index 4a5e362..9f667c2 100644
--- a/libavutil/mem.h
+++ b/libavutil/mem.h
@@ -218,6 +218,16 @@ av_alloc_size(1, 2) static inline void
*av_mallocz_array(size_t nmemb, size_t si
char *av_strdup(const char *s) av_malloc_attrib;
/**
+ * Duplicate a substring of the string s.
+ * @param s string to be duplicated
+ * @param len the maximum length of the resulting string (not counting the
+ * terminating byte).
+ * @return Pointer to a newly-allocated string containing a
+ * copy of s or NULL if the string cannot be allocated.
+ */
+char *av_strndup(const char *s, size_t len) av_malloc_attrib;
+
+/**
* Free a memory block which has been allocated with av_malloc(z)() or
* av_realloc() and set the pointer pointing to it to NULL.
* @param ptr Pointer to the pointer to the memory block which should
diff --git a/libavutil/version.h b/libavutil/version.h
index 7c9fdb2..4a4154d 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -54,7 +54,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 54
-#define LIBAVUTIL_VERSION_MINOR 1
+#define LIBAVUTIL_VERSION_MINOR 2
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
--
2.0.0
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