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vhostmd/SOURCES/0013-Check-return-value-of-...

49 lines
1.5 KiB

From 1771ddb83fe8a8cb38e7bee212bdfa3d1927cfc5 Mon Sep 17 00:00:00 2001
From: Jim Fehlig <jfehlig@suse.com>
Date: Tue, 7 Jan 2020 11:52:23 -0700
Subject: [PATCH 13/19] Check return value of asprintf
Example from coverity scan
vhostmd-1.1/vhostmd/util.c: scope_hint: In function 'vu_append_string'
vhostmd-1.1/vhostmd/util.c:484:7: warning: ignoring return value of 'asprintf', declared with attribute warn_unused_result [-Wunused-result]
asprintf(&cp, "%s,%s", *dest, str);
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
---
vhostmd/util.c | 3 ++-
vhostmd/vhostmd.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/vhostmd/util.c b/vhostmd/util.c
index 317dbc6..d7ce3fc 100644
--- a/vhostmd/util.c
+++ b/vhostmd/util.c
@@ -488,7 +488,8 @@ int vu_append_string(char **dest, xmlChar * str)
char *cp;
if (*dest) {
- asprintf(&cp, "%s,%s", *dest, str);
+ if (asprintf(&cp, "%s,%s", *dest, str) < 0)
+ return -1;
free(*dest);
*dest = cp;
}
diff --git a/vhostmd/vhostmd.c b/vhostmd/vhostmd.c
index 7e29e6f..7374ec9 100644
--- a/vhostmd/vhostmd.c
+++ b/vhostmd/vhostmd.c
@@ -259,7 +259,8 @@ static int parse_group_metric(xmlDocPtr xml ATTRIBUTE_UNUSED,
vu_log(VHOSTMD_WARN, "parse_group_metric: node path not found");
return -1;
}
- asprintf(&cp, "%s/variable", path);
+ if (asprintf(&cp, "%s/variable", path) < 0)
+ goto error;
obj = xmlXPathEval( BAD_CAST cp, ctxt);
if ((obj == NULL) || (obj->type != XPATH_NODESET)) {
--
2.32.0