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authorTomas Mraz <tmraz@fedoraproject.org>2019-12-16 10:38:52 +0100
committerTomas Mraz <tmraz@fedoraproject.org>2019-12-16 10:49:03 +0100
commit03f46bbe3f22d800a1516f4c535a1bfb573068de (patch)
treeb000e56d5aadc6ef1c20c71054b99b03feb70e8d /modules/pam_limits/pam_limits.c
parentc81280b16e1831ab0bdd0383486c7e2d1eaf1b5e (diff)
Fix or suppress various warnings when compiling with -Wall -Wextra
* conf/pam_conv1/Makefile.am: Add -Wno-unused-function -Wno-sign-compare to CFLAGS. * doc/specs/Makefile.am: Likewise. * libpamc/include/security/pam_client.h: Explicitly compare old_p with NULL. * modules/pam_access/pam_access.c: Avoid double const. * modules/pam_filter/pam_filter.c: Avoid arbitrary constants. Avoid strncpy() without copying the NUL byte. * modules/pam_group/pam_group.c: Mark switch fallthrough with comment. * modules/pam_time/pam_time.c: Likewise. * modules/pam_limits/pam_limits.c: Remove unused units variable. * modules/pam_listfile/pam_listfile.c: Avoid unnecessary strncpy, use pointers. * modules/pam_rootok/pam_rootok.c (log_callback): Mark unused parameter. * modules/pam_selinux/pam_selinux.c: Use string_to_security_class() instead of hardcoded value. * modules/pam_sepermit/pam_sepermit.c: Properly cast when comparing. * modules/pam_succeed_if/pam_succeed_if.c: Mark unused parameters. * modules/pam_unix/pam_unix_passwd.c: Remove unused variables and properly cast for comparison. * modules/pam_unix/support.c: Remove unused function.
Diffstat (limited to 'modules/pam_limits/pam_limits.c')
-rw-r--r--modules/pam_limits/pam_limits.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/modules/pam_limits/pam_limits.c b/modules/pam_limits/pam_limits.c
index cac36999..02967f36 100644
--- a/modules/pam_limits/pam_limits.c
+++ b/modules/pam_limits/pam_limits.c
@@ -384,7 +384,7 @@ static void parse_kernel_limits(pam_handle_t *pamh, struct pam_limit_s *pl, int
FILE *limitsfile;
const char *proclimits = "/proc/1/limits";
char line[256];
- char *units, *hard, *soft, *name;
+ char *hard, *soft, *name;
if (!(limitsfile = fopen(proclimits, "r"))) {
pam_syslog(pamh, LOG_WARNING, "Could not read %s (%s), using PAM defaults", proclimits, strerror(errno));
@@ -410,10 +410,7 @@ static void parse_kernel_limits(pam_handle_t *pamh, struct pam_limit_s *pl, int
if (pos == maxlen) {
/* step backwards over "Units" name */
LIMITS_SKIP_WHITESPACE;
- LIMITS_MARK_ITEM(units);
- }
- else {
- units = "";
+ LIMITS_MARK_ITEM(hard); /* not a typo, units unused */
}
/* step backwards over "Hard Limit" value */