Date: Tue, 5 May 2015 09:29:32 +0000 (UTC) From: Baptiste Daroussin <bapt@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r282464 - head/usr.bin/checknr Message-ID: <201505050929.t459TWU9064070@svn.freebsd.org>
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Author: bapt Date: Tue May 5 09:29:32 2015 New Revision: 282464 URL: https://svnweb.freebsd.org/changeset/base/282464 Log: Ensure we read existing values of the stk table Obtained from: NetBSD Modified: head/usr.bin/checknr/checknr.c Modified: head/usr.bin/checknr/checknr.c ============================================================================== --- head/usr.bin/checknr/checknr.c Tue May 5 09:26:32 2015 (r282463) +++ head/usr.bin/checknr/checknr.c Tue May 5 09:29:32 2015 (r282464) @@ -341,7 +341,8 @@ process(FILE *f) n = 10 * n + line[i] - '0'; i--; if (n == 0) { - if (stk[stktop].opno == SZ) { + if (stktop >= 0 && + stk[stktop].opno == SZ) { stktop--; } else { pe(lineno); @@ -356,7 +357,8 @@ process(FILE *f) } else if (!fflag && line[i] == 'f') { n = line[++i]; if (n == 'P') { - if (stk[stktop].opno == FT) { + if (stktop >= 0 && + stk[stktop].opno == FT) { stktop--; } else { pe(lineno);
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