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su: set default 'root', fixes a uninitialised variable warning 

Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>
This commit is contained in:
Hiltjo Posthuma 2014-02-14 14:49:34 +01:00 committed by sin
parent 68c3146a9d
commit 96af28da60
1 changed files with 3 additions and 4 deletions
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7
su.c
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@ -28,7 +28,7 @@ static int pflag = 0;
int int
main(int argc, char **argv) main(int argc, char **argv)
{ {
char *usr, *pass, *cryptpass; char *usr = "root", *pass, *cryptpass;
char * const *newargv; char * const *newargv;
struct spwd *spw; struct spwd *spw;
struct passwd *pw; struct passwd *pw;
@ -47,14 +47,12 @@ main(int argc, char **argv)
} ARGEND; } ARGEND;
if (argc < 1) if (argc < 1)
usr = "root"; ;
else if (argc == 1) else if (argc == 1)
usr = argv[0]; usr = argv[0];
else else
usage(); usage();
uid = getuid();
errno = 0; errno = 0;
spw = getspnam(usr); spw = getspnam(usr);
if (errno) if (errno)
@ -72,6 +70,7 @@ main(int argc, char **argv)
enprintf(EXIT_FAILURE, "Invalid shadow record\n"); enprintf(EXIT_FAILURE, "Invalid shadow record\n");
} }
uid = getuid();
if (uid) { if (uid) {
pass = getpass("Password: "); pass = getpass("Password: ");
if (!pass) if (!pass)