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| author | Karel Zak | 2014-07-17 15:19:34 +0200 |
|---|---|---|
| committer | Karel Zak | 2014-07-17 15:19:34 +0200 |
| commit | 479912e7b3619e989413b0ed19df3855be244f7f (patch) | |
| tree | af175c8166050776dea87d7274dd4ed9cd198377 /term-utils/wall.c | |
| parent | umount: fix memory leak [coverity scan] (diff) | |
| download | kernel-qcow2-util-linux-479912e7b3619e989413b0ed19df3855be244f7f.tar.gz kernel-qcow2-util-linux-479912e7b3619e989413b0ed19df3855be244f7f.tar.xz kernel-qcow2-util-linux-479912e7b3619e989413b0ed19df3855be244f7f.zip | |
wall: add fallback for failed sysconf()
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'term-utils/wall.c')
| -rw-r--r-- | term-utils/wall.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/term-utils/wall.c b/term-utils/wall.c index 80b8678d9..598e9f28c 100644 --- a/term-utils/wall.c +++ b/term-utils/wall.c @@ -187,6 +187,9 @@ static char *makemsg(char *fname, char **mvec, int mvecsz, long line_max; line_max = sysconf(_SC_LINE_MAX); + if (line_max <= 0) + line_max = 512; + lbuf = xmalloc(line_max); if ((fp = xfmkstemp(&tmpname, NULL)) == NULL) |