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The branch, tlsa/rewrite has been updated
discards eebf25066c18fbf04b8324030f1989870bb0f38e (commit)
via 947586eb1b14c267ee996ba655af13899488c0f3 (commit)
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http://git.netsurf-browser.org/libnsgif.git/commit/?id=947586eb1b14c267ee996ba655af13899488c0f3
commit 947586eb1b14c267ee996ba655af13899488c0f3
Author: Michael Drake <t...@netsurf-browser.org>
Commit: Michael Drake <t...@netsurf-browser.org>
GIF: Constify raw source data.
diff --git a/include/libnsgif.h b/include/libnsgif.h
index ae6691c..36f59a4 100644
--- a/include/libnsgif.h
+++ b/include/libnsgif.h
@@ -15,8 +15,8 @@
#ifndef _LIBNSGIF_H_
#define _LIBNSGIF_H_
+#include <stdint.h>
#include <stdbool.h>
-#include <inttypes.h>
/* Error return values */
typedef enum {
@@ -100,7 +100,7 @@ typedef struct gif_animation {
/** callbacks for bitmap functions */
gif_bitmap_callback_vt bitmap_callbacks;
/** pointer to GIF data */
- unsigned char *gif_data;
+ const uint8_t *gif_data;
/** width of GIF (may increase during decoding) */
unsigned int width;
/** heigth of GIF (may increase during decoding) */
@@ -173,7 +173,7 @@ void gif_create(gif_animation *gif, gif_bitmap_callback_vt
*bitmap_callbacks);
* - GIF_OK for successful decoding
* - GIF_WORKING for successful decoding if more frames are expected
*/
-gif_result gif_initialise(gif_animation *gif, size_t size, unsigned char
*data);
+gif_result gif_initialise(gif_animation *gif, size_t size, const uint8_t
*data);
/**
* Decodes a GIF frame.
diff --git a/src/libnsgif.c b/src/libnsgif.c
index c2a8c73..7d48b7e 100644
--- a/src/libnsgif.c
+++ b/src/libnsgif.c
@@ -527,7 +527,7 @@ static gif_result gif__update_bitmap(
*/
static gif_result gif__parse_extension_graphic_control(
struct gif_frame *frame,
- uint8_t *data,
+ const uint8_t *data,
size_t len)
{
/* 6-byte Graphic Control Extension is:
@@ -583,7 +583,7 @@ static gif_result gif__parse_extension_graphic_control(
*/
static gif_result gif__parse_extension_application(
struct gif_animation *gif,
- uint8_t *data,
+ const uint8_t *data,
size_t len)
{
/* 14-byte+ Application Extension is:
@@ -619,11 +619,11 @@ static gif_result gif__parse_extension_application(
static gif_result gif__parse_frame_extensions(
struct gif_animation *gif,
struct gif_frame *frame,
- uint8_t **pos,
+ const uint8_t **pos,
bool decode)
{
- uint8_t *gif_data = *pos;
- uint8_t *gif_end = gif->gif_data + gif->buffer_size;
+ const uint8_t *gif_data = *pos;
+ const uint8_t *gif_end = gif->gif_data + gif->buffer_size;
int gif_bytes = gif_end - gif_data;
/* Initialise the extensions */
@@ -727,7 +727,7 @@ static gif_result gif__parse_frame_extensions(
static gif_result gif__parse_image_descriptor(
struct gif_animation *gif,
struct gif_frame *frame,
- uint8_t **pos,
+ const uint8_t **pos,
bool decode)
{
const uint8_t *data = *pos;
@@ -783,7 +783,7 @@ static gif_result gif__parse_image_descriptor(
static gif_result gif__parse_colour_table(
struct gif_animation *gif,
struct gif_frame *frame,
- uint8_t **pos,
+ const uint8_t **pos,
bool decode)
{
unsigned colour_table_size;
@@ -840,10 +840,10 @@ static gif_result gif__parse_colour_table(
static gif_result gif__parse_image_data(
struct gif_animation *gif,
struct gif_frame *frame,
- uint8_t **pos,
+ const uint8_t **pos,
bool decode)
{
- uint8_t *data = *pos;
+ const uint8_t *data = *pos;
size_t len = gif->gif_data + gif->buffer_size - data;
uint32_t frame_idx = frame - gif->frames;
uint8_t minimum_code_size;
@@ -970,9 +970,9 @@ static gif_result gif__process_frame(
uint32_t frame_idx,
bool decode)
{
- uint8_t *pos;
- uint8_t *end;
gif_result ret;
+ const uint8_t *pos;
+ const uint8_t *end;
struct gif_frame *frame;
frame = gif__get_frame(gif, frame_idx);
@@ -980,7 +980,7 @@ static gif_result gif__process_frame(
return GIF_INSUFFICIENT_MEMORY;
}
- end = (uint8_t *)(gif->gif_data + gif->buffer_size);
+ end = gif->gif_data + gif->buffer_size;
if (decode) {
pos = gif->gif_data + frame->frame_pointer;
@@ -1055,9 +1055,9 @@ void gif_create(gif_animation *gif,
gif_bitmap_callback_vt *bitmap_callbacks)
/* exported function documented in libnsgif.h */
-gif_result gif_initialise(gif_animation *gif, size_t size, unsigned char *data)
+gif_result gif_initialise(gif_animation *gif, size_t size, const uint8_t *data)
{
- uint8_t *gif_data;
+ const uint8_t *gif_data;
uint32_t index;
gif_result ret;
-----------------------------------------------------------------------
Summary of changes:
include/libnsgif.h | 2 +-
src/libnsgif.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/libnsgif.h b/include/libnsgif.h
index d0d16ac..36f59a4 100644
--- a/include/libnsgif.h
+++ b/include/libnsgif.h
@@ -173,7 +173,7 @@ void gif_create(gif_animation *gif, gif_bitmap_callback_vt
*bitmap_callbacks);
* - GIF_OK for successful decoding
* - GIF_WORKING for successful decoding if more frames are expected
*/
-gif_result gif_initialise(gif_animation *gif, size_t size, unsigned char
*data);
+gif_result gif_initialise(gif_animation *gif, size_t size, const uint8_t
*data);
/**
* Decodes a GIF frame.
diff --git a/src/libnsgif.c b/src/libnsgif.c
index 21f319e..7d48b7e 100644
--- a/src/libnsgif.c
+++ b/src/libnsgif.c
@@ -1055,7 +1055,7 @@ void gif_create(gif_animation *gif,
gif_bitmap_callback_vt *bitmap_callbacks)
/* exported function documented in libnsgif.h */
-gif_result gif_initialise(gif_animation *gif, size_t size, unsigned char *data)
+gif_result gif_initialise(gif_animation *gif, size_t size, const uint8_t *data)
{
const uint8_t *gif_data;
uint32_t index;
--
NetSurf GIF Decoder
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