按照编译提示warnings修改部分逻辑关系符优先级，memset问题等

1 files changed, 5 insertions, 6 deletions

diff --git a/src/av_format_identify.c b/src/av_format_identify.c
index 72ac53c..6222713 100644
--- a/src/av_format_identify.c
+++ b/src/av_format_identify.c
@@ -155,7 +155,7 @@ int is_flv_each(const char* buff, size_t size)
 	const char *p = buff;
 	int fit_times = 0;
 	size_t left;
-	size_t right = 11 + htonl(*(size_t *)p) & 0x00ffffff;
+	size_t right = 11 + (htonl(*(size_t *)p) & 0x00ffffff);
 	p += (right + 4);
 
 	while (p < (buff + size))
@@ -178,7 +178,7 @@ int is_flv_each(const char* buff, size_t size)
 		{
 			break;
 		}
-		right = 11 + htonl(*(size_t *)p) & 0x00ffffff;
+		right = 11 + (htonl(*(size_t *)p) & 0x00ffffff);
 		p += (right + 4);
 	}
 	return ret_flv_each;
@@ -237,7 +237,7 @@ int is_mp4_boxname(const char *buff)
 	int i;
 	for (i = 0; i < 4; i++)
 	{
-		if (*(buff + i) < '0' || *(buff + i) > '9'&&*(buff + i) < 'a' || *(buff + i) > 'z')
+		if (*(buff + i) < '0' || (*(buff + i) > '9'&&*(buff + i) < 'a') || *(buff + i) > 'z')
 		{
 			return 0;
 		}
@@ -248,7 +248,6 @@ int is_mp4_boxname(const char *buff)
 void *memmem_mp4(const char *buff, size_t size)
 {
 	void *ret_memmp4 = NULL;
-	char s;
 	const char *p = buff;
 	while (p + 3 < buff + size)
 	{
@@ -289,7 +288,7 @@ int is_mp4_each(const char* buff, size_t size)
 				if (p + 4 < buff + size)
 				{
 					ret_mp4_boxname = is_mp4_boxname(p);
-					if (!is_mp4_boxname)
+					if (!ret_mp4_boxname)
 					{
 						p -= size_h;
 						if (p + 16 < buff + size)
@@ -300,7 +299,7 @@ int is_mp4_each(const char* buff, size_t size)
 							if (p + 4 < buff + size)
 							{
 								ret_mp4_boxname = is_mp4_boxname(p);
-								if (!is_mp4_boxname)
+								if (!ret_mp4_boxname)
 								{
 									p -= size_h;
 								}