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Add workaround for lying feof. (#814)

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Should fix #812
This commit is contained in:
Eugene Kliuchnikov 2020-07-02 17:57:40 +02:00 committed by GitHub
parent d2ea198232
commit 5519352661
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1 changed files with 5 additions and 1 deletions
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6
c/tools/brotli.c
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@ -803,6 +803,8 @@ static void InitializeBuffers(Context* context) {
context->total_out = 0;
}
/* This method might give the false-negative result.
However, after an empty / incomplete read it should tell the truth. */
static BROTLI_BOOL HasMoreInput(Context* context) {
return feof(context->fin) ? BROTLI_FALSE : BROTLI_TRUE;
}
@ -883,7 +885,9 @@ static BROTLI_BOOL DecompressFile(Context* context, BrotliDecoderState* s) {
if (!ProvideOutput(context)) return BROTLI_FALSE;
} else if (result == BROTLI_DECODER_RESULT_SUCCESS) {
if (!FlushOutput(context)) return BROTLI_FALSE;
if (context->available_in != 0 || HasMoreInput(context)) {
int has_more_input =
(context->available_in != 0) || (fgetc(context->fin) != EOF);
if (has_more_input) {
fprintf(stderr, "corrupt input [%s]\n",
PrintablePath(context->current_input_path));
return BROTLI_FALSE;