Skip to content

ext/exif: moving few instances from memmove to memcpy. #14400

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 1, 2024
Merged

ext/exif: moving few instances from memmove to memcpy. #14400

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions ext/exif/exif.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2805,7 +2805,7 @@ static void* exif_ifd_make_value(image_info_data *info_data, int motorola_intel)
if (info_data->format == TAG_FMT_UNDEFINED || info_data->format == TAG_FMT_STRING
|| (byte_count>1 && (info_data->format == TAG_FMT_BYTE || info_data->format == TAG_FMT_SBYTE))
) {
memmove(value_ptr, info_data->value.s, byte_count);
memcpy(value_ptr, info_data->value.s, byte_count);
return value_ptr;
} else if (info_data->format == TAG_FMT_BYTE) {
*value_ptr = info_data->value.u;
Expand Down Expand Up @@ -2849,11 +2849,11 @@ static void* exif_ifd_make_value(image_info_data *info_data, int motorola_intel)
data_ptr += 8;
break;
case TAG_FMT_SINGLE:
memmove(data_ptr, &info_value->f, 4);
memcpy(data_ptr, &info_value->f, 4);
data_ptr += 4;
break;
case TAG_FMT_DOUBLE:
memmove(data_ptr, &info_value->d, 8);
memcpy(data_ptr, &info_value->d, 8);
data_ptr += 8;
break;
}
Expand Down Expand Up @@ -2906,9 +2906,9 @@ static void exif_thumbnail_build(image_info_type *ImageInfo) {
ImageInfo->Thumbnail.size += new_size;
/* fill in data */
if (ImageInfo->motorola_intel) {
memmove(new_data, "MM\x00\x2a\x00\x00\x00\x08", 8);
memcpy(new_data, "MM\x00\x2a\x00\x00\x00\x08", 8);
} else {
memmove(new_data, "II\x2a\x00\x08\x00\x00\x00", 8);
memcpy(new_data, "II\x2a\x00\x08\x00\x00\x00", 8);
}
new_data += 8;
php_ifd_set16u(new_data, info_list->count, ImageInfo->motorola_intel);
Expand Down
Loading