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

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This commit is contained in:
David CARLIER
2024-06-01 13:05:49 +01:00
committed by GitHub
parent 61191dc313
commit 1e2306b4c6
1 changed files with 5 additions and 5 deletions
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10
ext/exif/exif.c
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@@ -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;
@@ -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;
}
@@ -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);