Add read_uint8() and read_uint16be() to metadata_common.c/h

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20968 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 20 insertions, 0 deletions

diff --git a/apps/metadata/metadata_common.c b/apps/metadata/metadata_common.c
index 37768bdd4a..38761e3dae 100644
--- a/apps/metadata/metadata_common.c
+++ b/apps/metadata/metadata_common.c
@@ -96,8 +96,25 @@ long read_string(int fd, char* buf, long buf_size, int eos, long size)
     *buf = 0;
     return read_bytes;
 }
+/* Read an unsigned 8-bit integer from a file. */
+int read_uint8(int fd, uint8_t* buf)
+{
+  size_t n;
+
+  n = read(fd, (char*) buf, 1);
+  return n;
+}
 
 #ifdef ROCKBOX_LITTLE_ENDIAN
+/* Read an unsigned 16-bit integer from a big-endian file. */
+int read_uint16be(int fd, uint16_t* buf)
+{
+  size_t n;
+
+  n = read(fd, (char*) buf, 2);
+  *buf = betoh16(*buf);
+  return n;
+}
 /* Read an unsigned 32-bit integer from a big-endian file. */
 int read_uint32be(int fd, uint32_t* buf)
 {
diff --git a/apps/metadata/metadata_common.h b/apps/metadata/metadata_common.h
index 2a48b25dc6..c8c0dc463f 100644
--- a/apps/metadata/metadata_common.h
+++ b/apps/metadata/metadata_common.h
@@ -38,12 +38,15 @@ bool read_vorbis_tags(int fd, struct mp3entry *id3,
 bool skip_id3v2(int fd, struct mp3entry *id3);
 long read_string(int fd, char* buf, long buf_size, int eos, long size);
 
+int read_uint8(int fd, uint8_t* buf);
 #ifdef ROCKBOX_BIG_ENDIAN
+#define read_uint16be(fd,buf) read((fd), (buf), 2)
 #define read_uint32be(fd,buf) read((fd), (buf), 4)
 int read_uint16le(int fd, uint16_t* buf);
 int read_uint32le(int fd, uint32_t* buf);
 int read_uint64le(int fd, uint64_t* buf);
 #else
+int read_uint16be(int fd, uint16_t* buf);
 int read_uint32be(int fd, uint32_t* buf);
 #define read_uint16le(fd,buf) read((fd), (buf), 2)
 #define read_uint32le(fd,buf) read((fd), (buf), 4)