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Avoid implicit conversions to booleans.

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This commit is contained in:
nekral-guest 2007-12-27 21:56:45 +00:00
parent b58df6280d
commit bfa8ef3e75
2 changed files with 18 additions and 16 deletions
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1
ChangeLog
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@ -13,6 +13,7 @@
change_passwd(), check_flags(). Split out of main() to simplify main().
* src/gpasswd.c: Avoid implicit brackets.
* src/gpasswd.c: Avoid assignment in comparisons.
* src/gpasswd.c: Avoid implicit conversions to booleans.
2007-12-27 Nicolas François <nicolas.francois@centraliens.net>

33
src/gpasswd.c
View File

@ -160,7 +160,7 @@ static int check_list (const char *users)
int errors = 0;
size_t len;
for (start = users; start && *start; start = end) {
for (start = users; (NULL != start) && ('\0' != *start); start = end) {
end = strchr (start, ',');
if (NULL != end) {
len = end - start;
@ -179,7 +179,8 @@ static int check_list (const char *users)
* This user must exist.
*/
if (!getpwnam (username)) { /* local, no need for xgetpwnam */
/* local, no need for xgetpwnam */
if (getpwnam (username) == NULL) {
fprintf (stderr, _("%s: unknown user %s\n"),
Prog, username);
errors++;
@ -206,7 +207,7 @@ static void process_flags (int argc, char **argv)
case 'a': /* add a user */
user = optarg;
/* local, no need for xgetpwnam */
if (!getpwnam (user)) {
if (getpwnam (user) == NULL) {
fprintf (stderr,
_("%s: unknown user %s\n"), Prog,
user);
@ -236,7 +237,7 @@ static void process_flags (int argc, char **argv)
exit (2);
}
admins = optarg;
if (check_list (admins)) {
if (check_list (admins) != 0) {
exit (1);
}
Aflg++;
@ -258,7 +259,7 @@ static void process_flags (int argc, char **argv)
failure ();
}
members = optarg;
if (check_list (members)) {
if (check_list (members) != 0) {
exit (1);
}
Mflg++;
@ -471,7 +472,7 @@ static void update_group (struct group *gr, struct sgrp *sg)
static void update_group (struct group *gr)
#endif
{
if (!gr_update (gr)) {
if (gr_update (gr) == 0) {
fprintf (stderr, _("%s: can't update entry\n"), Prog);
SYSLOG ((LOG_WARN, "cannot update /etc/group"));
#ifdef WITH_AUDIT
@ -481,7 +482,7 @@ static void update_group (struct group *gr)
exit (1);
}
#ifdef SHADOWGRP
if (is_shadowgrp && !sgr_update (sg)) {
if (is_shadowgrp && (sgr_update (sg) == 0)) {
fprintf (stderr, _("%s: can't update shadow entry\n"), Prog);
SYSLOG ((LOG_WARN, "cannot update /etc/gshadow"));
#ifdef WITH_AUDIT
@ -508,7 +509,7 @@ static void get_group (struct group *gr)
struct group const*tmpgr = NULL;
struct sgrp const*tmpsg = NULL;
if (!gr_open (O_RDONLY)) {
if (gr_open (O_RDONLY) == 0) {
fprintf (stderr, _("%s: can't open file\n"), Prog);
SYSLOG ((LOG_WARN, "cannot open /etc/group"));
#ifdef WITH_AUDIT
@ -533,7 +534,7 @@ static void get_group (struct group *gr)
gr->gr_passwd = xstrdup (tmpgr->gr_passwd);
gr->gr_mem = dup_list (tmpgr->gr_mem);
if (!gr_close ()) {
if (gr_close () == 0) {
fprintf (stderr, _("%s: can't close file\n"), Prog);
SYSLOG ((LOG_WARN, "cannot close /etc/group"));
#ifdef WITH_AUDIT
@ -544,7 +545,7 @@ static void get_group (struct group *gr)
}
#ifdef SHADOWGRP
if (!sgr_open (O_RDONLY)) {
if (sgr_open (O_RDONLY) == 0) {
fprintf (stderr, _("%s: can't open shadow file\n"), Prog);
SYSLOG ((LOG_WARN, "cannot open /etc/gshadow"));
#ifdef WITH_AUDIT
@ -572,15 +573,15 @@ static void get_group (struct group *gr)
#ifdef FIRST_MEMBER_IS_ADMIN
if (sg->sg_mem[0]) {
sg->sg_adm[0] = xstrdup (sg->sg_mem[0]);
sg->sg_adm[1] = 0;
sg->sg_adm[1] = NULL;
} else
#endif
{
sg->sg_adm[0] = 0;
sg->sg_adm[0] = NULL;
}
}
if (!sgr_close ()) {
if (sgr_close () == 0) {
fprintf (stderr, _("%s: can't close shadow file\n"), Prog);
SYSLOG ((LOG_WARN, "cannot close /etc/gshadow"));
#ifdef WITH_AUDIT
@ -727,7 +728,7 @@ int main (int argc, char **argv)
*/
pw = get_my_pwent ();
if (!pw) {
if (NULL == pw) {
fprintf (stderr, _("Who are you?\n"));
#ifdef WITH_AUDIT
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "user lookup", NULL,
@ -887,7 +888,7 @@ int main (int argc, char **argv)
* be a tty. The typical keyboard signals are caught so the termio
* modes can be restored.
*/
if (!isatty (0) || !isatty (1)) {
if ((isatty (0) == 0) || (isatty (1) == 0)) {
fprintf (stderr, _("%s: Not a tty\n"), Prog);
#ifdef WITH_AUDIT
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "changing password",
@ -920,7 +921,7 @@ int main (int argc, char **argv)
* output, etc.
*/
output:
if (setuid (0)) {
if (setuid (0) != 0) {
fprintf (stderr, _("Cannot change ID to root.\n"));
SYSLOG ((LOG_ERR, "can't setuid(0)"));
#ifdef WITH_AUDIT