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Fix streaming compression/decompression examples

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* Handle compression of empty file
* Error in decompression in case of trailing data
This commit is contained in:
Jan Kasiak
2019-09-01 15:35:53 -04:00
parent c9381c16be
commit a8219903cf
2 changed files with 24 additions and 2 deletions
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8
examples/streaming_compression.c
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@ -44,8 +44,8 @@ static void compressFile_orDie(const char* fname, const char* outName, int cLeve
* and writes all output produced to the output file.
*/
size_t const toRead = buffInSize;
size_t read;
while ((read = fread_orDie(buffIn, toRead, fin))) {
for (;;) {
size_t read = fread_orDie(buffIn, toRead, fin);
/* Select the flush mode.
* If the read may not be finished (read == toRead) we use
* ZSTD_e_continue. If this is the last chunk, we use ZSTD_e_end.
@ -76,6 +76,10 @@ static void compressFile_orDie(const char* fname, const char* outName, int cLeve
} while (!finished);
CHECK(input.pos == input.size,
"Impossible: zstd only returns 0 when the input is completely consumed!");
if (lastChunk) {
break;
}
}
ZSTD_freeCCtx(cctx);