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Give zpaq more headroom in case of relatively incompressible block. Suggestion courtesy of Pete Hyman.

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ckolivas 2026-02-12 20:32:04 +11:00
parent ee5414bbe1
commit 7534c29ff8
1 changed files with 3 additions and 1 deletions
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4
stream.c
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@ -166,7 +166,9 @@ static int zpaq_compress_buf(rzip_control *control, struct compress_thread *cthr
if (!lz4_compresses(control, cthread->s_buf, cthread->s_len))
return 0;
c_size = round_up_page(control, cthread->s_len + 10000);
/* zpaq needs even more ram than other algorithms for relatively
* incompressible data. */
c_size = round_up_page(control, (cthread->s_len + 10000) * 1.02);
c_buf = malloc(c_size);
if (!c_buf) {
print_err("Unable to allocate c_buf in zpaq_compress_buf\n");