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author | Karel Zak | 2019-05-23 14:18:29 +0200 |
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committer | Karel Zak | 2019-05-23 14:18:29 +0200 |
commit | 2d278988442d3f4ac43cd0eb441fc92aa570dc05 (patch) | |
tree | a6598b277747370f3de8960ee15e3290b17c297a /sys-utils | |
parent | blkzone: remove never read value (diff) | |
download | kernel-qcow2-util-linux-2d278988442d3f4ac43cd0eb441fc92aa570dc05.tar.gz kernel-qcow2-util-linux-2d278988442d3f4ac43cd0eb441fc92aa570dc05.tar.xz kernel-qcow2-util-linux-2d278988442d3f4ac43cd0eb441fc92aa570dc05.zip |
dmesg: make strtok() use more robust
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils')
-rw-r--r-- | sys-utils/dmesg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c index f96e5bdf7..f0b9b7137 100644 --- a/sys-utils/dmesg.c +++ b/sys-utils/dmesg.c @@ -1017,6 +1017,8 @@ full_output: if (!line) { mesg_copy = xstrdup(rec->mesg); line = strtok(mesg_copy, "\n"); + if (!line) + goto done; /* only when something is wrong */ mesg_size = strlen(line); } } else { @@ -1057,6 +1059,7 @@ full_output: free(mesg_copy); } +done: putchar('\n'); } |