29 lines
927 B
Diff
29 lines
927 B
Diff
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From 48e22dd008138bb97d2a673af9da5b1b3457c86f Thu Sep 9 08:15:07 2021
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From: Sergey Poznyakoff <gray@gnu.org>
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Date: Thu, 9 Sep 2021 15:04:27 +0800
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Subject: [PATCH] Fix stack overflow in print_usage
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src/parseopt.c (print_usage): Fix length calculation for long
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options.
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Conflict:NA
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Reference:https://git.gnu.org.ua/gdbm.git/commit/?id=48e22dd008138bb97d2a673af9da5b1b3457c86f
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---
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src/parseopt.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/parseopt.c b/src/parseopt.c
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index bc47597..efa12c8 100644
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--- a/src/parseopt.c
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+++ b/src/parseopt.c
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@@ -495,7 +495,7 @@ print_usage (void)
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{
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struct gdbm_option *opt = option_tab + idxbuf[i];
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const char *arg = opt->opt_arg ? gettext (opt->opt_arg) : NULL;
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- size_t len = 3 + strlen (opt->opt_long)
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+ size_t len = 5 + strlen (opt->opt_long)
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+ (arg ? 1 + strlen (arg) : 0);
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if (n + len > RMARGIN) FLUSH;
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buf[n++] = ' ';
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