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From fa5f62272997ea5b402ce28c2b197afe1a3c9422 Mon Sep 17 00:00:00 2001
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From: Coiby Xu <coiby.xu@gmail.com>
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Date: Tue, 15 Jun 2021 10:57:45 +0800
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Subject: [PATCH 6/8] fix "src/dmierror.c:55:9:
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warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL buf where
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non-null expected"
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Fix the following error found by covscan,
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python-dmidecode-3.12.2/src/dmierror.c:55:9: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL buf where non-null expected
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/usr/include/python3.9/Python.h:30: included_from: Included from here.
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python-dmidecode-3.12.2/src/dmierror.c:32: included_from: Included from here.
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/usr/include/string.h:61:14: note: argument 1 of memset must be non-null
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# 53| va_start(ap, fmt);
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# 54| buf = (char *) malloc(4098);
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# 55|-> memset(buf, 0, 4098);
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# 56|
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# 57| if( buf == NULL ) {
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Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
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---
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src/dmierror.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/dmierror.c b/src/dmierror.c
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index d64b4b9..7054cd8 100644
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--- a/src/dmierror.c
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+++ b/src/dmierror.c
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@@ -52,7 +52,6 @@ void _pyReturnError(void *exception, const char *fname, int line, const char *fm
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va_start(ap, fmt);
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buf = (char *) malloc(4098);
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- memset(buf, 0, 4098);
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if( buf == NULL ) {
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// Backup routine if we can't get the needed memory
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@@ -64,6 +63,7 @@ void _pyReturnError(void *exception, const char *fname, int line, const char *fm
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return;
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}
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+ memset(buf, 0, 4098);
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// Set the error state and message
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snprintf(buf, 4096, "[%s:%i] %s", fname, line, fmt);
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PyErr_Format(exception, buf, ap);
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--
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2.31.1
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