From e7cd945000e4e4fdbd8a484506cab709d6a6359c Mon Sep 17 00:00:00 2001
From: Mickael Savinaud <savmickael@users.noreply.github.com>
Date: Thu, 27 Sep 2012 14:36:30 +0000
Subject: [PATCH] [trunk] udpate local functions of bio.c with opj_prefix and
 new opj types update opj_bio structure

---
 libopenjpeg/bio.c | 44 ++++++++++++++++++++++----------------------
 libopenjpeg/bio.h |  8 ++++----
 2 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/libopenjpeg/bio.c b/libopenjpeg/bio.c
index 9b6d694c..c0188238 100644
--- a/libopenjpeg/bio.c
+++ b/libopenjpeg/bio.c
@@ -42,25 +42,25 @@ Write a bit
 @param bio BIO handle
 @param b Bit to write (0 or 1)
 */
-static void bio_putbit(opj_bio_t *bio, unsigned int b);
+static void opj_bio_putbit(opj_bio_t *bio, OPJ_UINT32 b);
 /**
 Read a bit
 @param bio BIO handle
 @return Returns the read bit
 */
-static int bio_getbit(opj_bio_t *bio);
+static OPJ_UINT32 opj_bio_getbit(opj_bio_t *bio);
 /**
 Write a byte
 @param bio BIO handle
-@return Returns 0 if successful, returns 1 otherwise
+@return Returns OPJ_TRUE if successful, returns OPJ_FALSE otherwise
 */
-static int bio_byteout(opj_bio_t *bio);
+static opj_bool opj_bio_byteout(opj_bio_t *bio);
 /**
 Read a byte
 @param bio BIO handle
-@return Returns 0 if successful, returns 1 otherwise
+@return Returns OPJ_TRUE if successful, returns OPJ_FALSE otherwise
 */
-static int bio_bytein(opj_bio_t *bio);
+static opj_bool opj_bio_bytein(opj_bio_t *bio);
 
 /*@}*/
 
@@ -72,37 +72,37 @@ static int bio_bytein(opj_bio_t *bio);
 ==========================================================
 */
 
-static int bio_byteout(opj_bio_t *bio) {
+opj_bool opj_bio_byteout(opj_bio_t *bio) {
 	bio->buf = (bio->buf << 8) & 0xffff;
 	bio->ct = bio->buf == 0xff00 ? 7 : 8;
 	if (bio->bp >= bio->end) {
-		return 1;
+		return OPJ_FALSE;
 	}
-	*bio->bp++ = (unsigned char)(bio->buf >> 8);
-	return 0;
+	*bio->bp++ = (unsigned char)(bio->buf >> 8); /* TODO MSD: check this conversion */
+	return OPJ_TRUE;
 }
 
-static int bio_bytein(opj_bio_t *bio) {
+opj_bool opj_bio_bytein(opj_bio_t *bio) {
 	bio->buf = (bio->buf << 8) & 0xffff;
 	bio->ct = bio->buf == 0xff00 ? 7 : 8;
 	if (bio->bp >= bio->end) {
-		return 1;
+		return OPJ_FALSE;
 	}
 	bio->buf |= *bio->bp++;
-	return 0;
+	return OPJ_TRUE;
 }
 
-static void bio_putbit(opj_bio_t *bio, unsigned int b) {
+void opj_bio_putbit(opj_bio_t *bio, OPJ_UINT32 b) {
 	if (bio->ct == 0) {
-		bio_byteout(bio);
+		opj_bio_byteout(bio); // TODO_MSD: check this line
 	}
 	bio->ct--;
 	bio->buf |= b << bio->ct;
 }
 
-static int bio_getbit(opj_bio_t *bio) {
+OPJ_UINT32 opj_bio_getbit(opj_bio_t *bio) {
 	if (bio->ct == 0) {
-		bio_bytein(bio);
+		opj_bio_bytein(bio); // TODO_MSD: check this line
 	}
 	bio->ct--;
 	return (bio->buf >> bio->ct) & 1;
@@ -148,7 +148,7 @@ void bio_init_dec(opj_bio_t *bio, unsigned char *bp, int len) {
 void bio_write(opj_bio_t *bio, int v, int n) {
 	int i;
 	for (i = n - 1; i >= 0; i--) {
-		bio_putbit(bio, (v >> i) & 1);
+		opj_bio_putbit(bio, (v >> i) & 1);
 	}
 }
 
@@ -156,19 +156,19 @@ int bio_read(opj_bio_t *bio, int n) {
 	int i, v;
 	v = 0;
 	for (i = n - 1; i >= 0; i--) {
-		v += bio_getbit(bio) << i;
+		v += opj_bio_getbit(bio) << i;
 	}
 	return v;
 }
 
 int bio_flush(opj_bio_t *bio) {
 	bio->ct = 0;
-	if (bio_byteout(bio)) {
+	if (! opj_bio_byteout(bio)) {
 		return 1;
 	}
 	if (bio->ct == 7) {
 		bio->ct = 0;
-		if (bio_byteout(bio)) {
+		if (! opj_bio_byteout(bio)) {
 			return 1;
 		}
 	}
@@ -178,7 +178,7 @@ int bio_flush(opj_bio_t *bio) {
 int bio_inalign(opj_bio_t *bio) {
 	bio->ct = 0;
 	if ((bio->buf & 0xff) == 0xff) {
-		if (bio_bytein(bio)) {
+		if (! opj_bio_bytein(bio)) {
 			return 1;
 		}
 		bio->ct = 0;
diff --git a/libopenjpeg/bio.h b/libopenjpeg/bio.h
index cb3f37de..ee0a082b 100644
--- a/libopenjpeg/bio.h
+++ b/libopenjpeg/bio.h
@@ -49,13 +49,13 @@ Individual bit input-output stream (BIO)
 */
 typedef struct opj_bio {
 	/** pointer to the start of the buffer */
-	unsigned char *start;
+	OPJ_BYTE *start;
 	/** pointer to the end of the buffer */
-	unsigned char *end;
+	OPJ_BYTE *end;
 	/** pointer to the present position in the buffer */
-	unsigned char *bp;
+	OPJ_BYTE *bp;
 	/** temporary place where each byte is read or written */
-	unsigned int buf;
+	OPJ_UINT32 buf;
 	/** coder : number of bits free to write. decoder : number of bits read */
 	int ct;
 } opj_bio_t;