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fix potential leak on exit

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This commit is contained in:
Yann Collet
2021-03-02 15:03:37 -08:00
parent ce6d1b9376
commit a80b10f5e6
1 changed files with 5 additions and 10 deletions
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15
contrib/seekable_format/zstdseek_decompress.c
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@ -195,26 +195,22 @@ size_t ZSTD_seekable_free(ZSTD_seekable* zs)
ZSTD_freeDStream(zs->dstream);
free(zs->seekTable.entries);
free(zs);
return 0;
}
size_t ZSTD_seekable_copySeekTable(ZSTD_seekable* zs, ZSTD_seekTable** out)
{
ZSTD_seekTable* st = malloc(sizeof(ZSTD_seekTable));
if (!st) {
free(st);
return ERROR(memory_allocation);
}
ZSTD_seekTable* const st = malloc(sizeof(ZSTD_seekTable));
if (st==NULL) return ERROR(memory_allocation);
st->checksumFlag = zs->seekTable.checksumFlag;
st->tableLen = zs->seekTable.tableLen;
/* Allocate an extra entry at the end to match logic of initial allocation */
size_t entriesSize = sizeof(seekEntry_t) * (zs->seekTable.tableLen + 1);
seekEntry_t* entries = (seekEntry_t*)malloc(entriesSize);
if (!entries) {
free(entries);
seekEntry_t* const entries = (seekEntry_t*)malloc(entriesSize);
if (entries==NULL) {
free(st);
return ERROR(memory_allocation);
}
@ -230,7 +226,6 @@ size_t ZSTD_seekTable_free(ZSTD_seekTable* st)
if (st == NULL) return 0; /* support free on null */
free(st->entries);
free(st);
return 0;
}