From: Zhigang Wang <zhigang.x.wang@oracle.com>
To: xen-devel@lists.xenproject.org
Cc: Zhigang Wang <zhigang.x.wang@oracle.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: [PATCH] tools/xenstat: handle network interface name in uppercase.
Date: Fri, 11 Mar 2016 15:18:01 -0500 [thread overview]
Message-ID: <1457727481-21859-1-git-send-email-zhigang.x.wang@oracle.com> (raw)
xentop will segmentation fault in this case:
# ip link set eth1 down
# ip link set eth1 name ETH
# xentop
This patch will let xentop to handle all uppercase network interface name.
Signed-off-by: Zhigang Wang <zhigang.x.wang@oracle.com>
---
tools/xenstat/libxenstat/src/xenstat_linux.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tools/xenstat/libxenstat/src/xenstat_linux.c b/tools/xenstat/libxenstat/src/xenstat_linux.c
index 931b24e..d33eca1 100644
--- a/tools/xenstat/libxenstat/src/xenstat_linux.c
+++ b/tools/xenstat/libxenstat/src/xenstat_linux.c
@@ -101,6 +101,7 @@ int parseNetDevLine(char *line, char *iface, unsigned long long *rxBytes, unsign
/* Temporary/helper variables */
int ret;
char *tmp;
+ char *tmp2;
int i = 0, x = 0, col = 0;
regex_t r;
regmatch_t matches[19];
@@ -221,8 +222,11 @@ int parseNetDevLine(char *line, char *iface, unsigned long long *rxBytes, unsign
}
else
/* There were errors when parsing this directly in RE. strpbrk() helps */
- if (iface != NULL)
- strcpy(iface, strpbrk(tmp, "abcdefghijklmnopqrstvuwxyz0123456789"));
+ if (iface != NULL) {
+ tmp2 = strpbrk(tmp, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
+ if (tmp2 != NULL)
+ strcpy(iface, tmp2);
+ }
memset(tmp, 0, matches[i].rm_eo - matches[i].rm_so);
}
--
2.5.0
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next reply other threads:[~2016-03-11 20:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-11 20:18 Zhigang Wang [this message]
2016-04-19 21:03 ` [PATCH] tools/xenstat: handle network interface name in uppercase Zhigang Wang
2016-04-20 11:39 ` Wei Liu
2016-04-20 14:16 ` Zhigang Wang
2016-04-20 15:12 ` Wei Liu
2016-04-20 18:07 ` Wei Liu
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