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| author | Jim Meyering | 1997-12-10 11:31:25 +0100 |
|---|---|---|
| committer | Jim Meyering | 1997-12-10 11:31:25 +0100 |
| commit | 3c35aec120bf667472d4bd9b61dbed954e263b58 (patch) | |
| tree | b0697d2e9bbf288669a0e3b1e2d9cedcf18ce3b5 /login-utils | |
| parent | (main): Make sure pw->pw_shell is non-NULL before trying to strdup it. (diff) | |
| download | kernel-qcow2-util-linux-3c35aec120bf667472d4bd9b61dbed954e263b58.tar.gz kernel-qcow2-util-linux-3c35aec120bf667472d4bd9b61dbed954e263b58.tar.xz kernel-qcow2-util-linux-3c35aec120bf667472d4bd9b61dbed954e263b58.zip | |
use NULL, '\0' instead of zeroes
Diffstat (limited to 'login-utils')
| -rw-r--r-- | login-utils/su.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/login-utils/su.c b/login-utils/su.c index dda02fe09..bd3c5b808 100644 --- a/login-utils/su.c +++ b/login-utils/su.c @@ -530,8 +530,10 @@ main (int argc, char **argv) error (1, 0, _("user %s does not exist"), new_user); endpwent (); - /* make sure pw->pw_shell is non-zero */ - if (pw->pw_shell == 0 || pw->pw_shell[0] == 0) + /* Make sure pw->pw_shell is non-NULL. It may be NULL when NEW_USER + is a username that is retrieved via NIS (YP), but that doesn't have + a default shell listed. */ + if (pw->pw_shell == NULL || pw->pw_shell[0] == '\0') pw->pw_shell = (char *) DEFAULT_SHELL; /* Make a copy of the password information and point pw at the local |