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-rw-r--r--core/fxcodec/lgif/fx_gif.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/core/fxcodec/lgif/fx_gif.cpp b/core/fxcodec/lgif/fx_gif.cpp
index 3d5d0e2325..8c9955f702 100644
--- a/core/fxcodec/lgif/fx_gif.cpp
+++ b/core/fxcodec/lgif/fx_gif.cpp
@@ -61,10 +61,9 @@ void CGifLZWDecoder::ClearTable() {
void CGifLZWDecoder::DecodeString(uint16_t code) {
stack_size = 0;
while (true) {
- ASSERT(code <= code_next);
- if (code < code_clear || code > code_next) {
+ if (code < code_clear || code > code_next)
break;
- }
+
stack[GIF_MAX_LZW_CODE - 1 - stack_size++] = code_table[code].suffix;
code = code_table[code].prefix;
}
@@ -135,7 +134,7 @@ int32_t CGifLZWDecoder::Decode(uint8_t* des_buf, uint32_t& des_size) {
if (code == code_clear) {
ClearTable();
continue;
- } else if (code >= code_end) {
+ } else if (code == code_end) {
des_size = i;
return 1;
} else {