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| author | Sami Kerola | 2016-08-07 08:27:21 +0200 |
|---|---|---|
| committer | Sami Kerola | 2016-08-12 22:25:36 +0200 |
| commit | 984a60965a0e3cd3253a74c77af916b05381c03d (patch) | |
| tree | 8aafe4e47b256298b2ed294dbdcdc50c59c730bf /lib/pager.c | |
| parent | tests: mark build-in paths test as optional (diff) | |
| download | kernel-qcow2-util-linux-984a60965a0e3cd3253a74c77af916b05381c03d.tar.gz kernel-qcow2-util-linux-984a60965a0e3cd3253a74c77af916b05381c03d.tar.xz kernel-qcow2-util-linux-984a60965a0e3cd3253a74c77af916b05381c03d.zip | |
misc: always check setenv(3) return value
At least glibc setenv(3) can fail when system runs out of memory.
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'lib/pager.c')
| -rw-r--r-- | lib/pager.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/pager.c b/lib/pager.c index 330659eda..e8cf10913 100644 --- a/lib/pager.c +++ b/lib/pager.c @@ -138,7 +138,8 @@ static void pager_preexec(void) FD_SET(STDIN_FILENO, &in); select(1, &in, NULL, &in, NULL); - setenv("LESS", "FRSX", 0); + if (setenv("LESS", "FRSX", 0) != 0) + warn(_("failed to set the %s environment variable"), "LESS"); } static void wait_for_pager(void) |