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(patch.c) Cleanup

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This commit is contained in:
twinaphex 2016-09-19 04:01:02 +02:00
parent 3d04dade8f
commit 5d1da68ceb
1 changed files with 27 additions and 17 deletions
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44
patch.c
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@ -122,21 +122,24 @@ static enum patch_error bps_apply_patch(
uint8_t *target_data, size_t *target_length)
{
size_t i;
size_t modify_source_size, modify_target_size,
modify_markup_size;
uint32_t checksum;
size_t modify_source_size;
size_t modify_target_size;
size_t modify_markup_size;
struct bps_data bps = {0};
uint32_t modify_source_checksum = 0, modify_target_checksum = 0,
modify_modify_checksum = 0, checksum;
uint32_t modify_source_checksum = 0;
uint32_t modify_target_checksum = 0;
uint32_t modify_modify_checksum = 0;
if (modify_length < 19)
return PATCH_PATCH_TOO_SMALL;
bps.modify_data = modify_data;
bps.modify_length = modify_length;
bps.target_data = target_data;
bps.target_length = *target_length;
bps.source_data = source_data;
bps.source_length = source_length;
bps.modify_data = modify_data;
bps.modify_length = modify_length;
bps.target_data = target_data;
bps.target_length = *target_length;
bps.source_data = source_data;
bps.source_length = source_length;
bps.modify_checksum = ~0;
bps.target_checksum = ~0;
@ -144,9 +147,9 @@ static enum patch_error bps_apply_patch(
(bps_read(&bps) != 'S') || (bps_read(&bps) != '1'))
return PATCH_PATCH_INVALID_HEADER;
modify_source_size = bps_decode(&bps);
modify_target_size = bps_decode(&bps);
modify_markup_size = bps_decode(&bps);
modify_source_size = bps_decode(&bps);
modify_target_size = bps_decode(&bps);
modify_markup_size = bps_decode(&bps);
for (i = 0; i < modify_markup_size; i++)
bps_read(&bps);
@ -218,8 +221,10 @@ static enum patch_error bps_apply_patch(
if (bps.source_checksum != modify_source_checksum)
return PATCH_SOURCE_CHECKSUM_INVALID;
if (bps.target_checksum != modify_target_checksum)
return PATCH_TARGET_CHECKSUM_INVALID;
if (checksum != modify_modify_checksum)
return PATCH_PATCH_CHECKSUM_INVALID;
@ -288,10 +293,13 @@ static enum patch_error ups_apply_patch(
uint8_t *targetdata, size_t *targetlength)
{
size_t i;
unsigned source_read_length, target_read_length;
uint32_t patch_read_checksum = 0, source_read_checksum = 0,
target_read_checksum = 0, patch_result_checksum;
struct ups_data data = {0};
unsigned source_read_length;
unsigned target_read_length;
uint32_t patch_result_checksum;
uint32_t patch_read_checksum = 0;
uint32_t source_read_checksum = 0;
uint32_t target_read_checksum = 0;
struct ups_data data = {0};
data.patch_data = patchdata;
data.source_data = sourcedata;
@ -479,8 +487,10 @@ static bool apply_patch_content(uint8_t **buf,
if (!path_is_valid(patch_path))
return false;
if (!filestream_read_file(patch_path, &patch_data, &patch_size))
return false;
if (patch_size < 0)
{
free(patch_data);