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36 lines
1 KiB
Diff
36 lines
1 KiB
Diff
From b8f9827fc4de9296c7a6f5e6fdac46e070cd6cb4 Mon Sep 17 00:00:00 2001
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From: Igor Pashev <pashev.igor@gmail.com>
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Date: Sat, 1 Nov 2014 18:10:05 +0300
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Subject: [PATCH] Fixed crash on Linux when stack size is unlimited
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---
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pxz.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/pxz.c b/pxz.c
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index 9cb843e..52713e2 100644
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--- a/pxz.c
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+++ b/pxz.c
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@@ -65,7 +65,7 @@ FILE **ftemp;
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char str[0x100];
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char buf[BUFFSIZE];
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char *xzcmd;
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-size_t xzcmd_max;
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+const size_t xzcmd_max = 10240;
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unsigned opt_complevel = 6, opt_stdout, opt_keep, opt_threads, opt_verbose;
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unsigned opt_force, opt_stdout;
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@@ -243,9 +243,12 @@ int main( int argc, char **argv ) {
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lzma_filter filters[LZMA_FILTERS_MAX + 1];
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lzma_options_lzma lzma_options;
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- xzcmd_max = sysconf(_SC_ARG_MAX);
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page_size = sysconf(_SC_PAGE_SIZE);
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xzcmd = malloc(xzcmd_max);
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+ if (!xzcmd) {
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+ fprintf(stderr, "Failed to allocate %lu bytes for xz command.\n", xzcmd_max);
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+ return -1;
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+ }
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snprintf(xzcmd, xzcmd_max, XZ_BINARY);
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parse_args(argc, argv);
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