chiark / gitweb /
treewide: yet more log_*_errno + return simplifications
[elogind.git] / src / path / path.c
index c2936e0bca130e00c10f172a83e211d81351fdb4..2f0148f074b12167a0ddefe0dcfdae9d797a52a3 100644 (file)
@@ -21,7 +21,6 @@
 
 #include <stdio.h>
 #include <getopt.h>
-#include <error.h>
 #include <errno.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -77,18 +76,6 @@ static const char* const path_table[_SD_PATH_MAX] = {
         [SD_PATH_SEARCH_CONFIGURATION] = "search-configuration",
 };
 
-static int help(void) {
-
-        printf("%s [OPTIONS...] [NAME...]\n\n"
-               "Show system and user paths.\n\n"
-               "  -h --help             Show this help\n"
-               "     --version          Show package version\n"
-               "     --suffix=SUFFIX    Suffix to append to paths\n",
-               program_invocation_short_name);
-
-        return 0;
-}
-
 static int list_homes(void) {
         uint64_t i = 0;
         int r = 0;
@@ -101,7 +88,7 @@ static int list_homes(void) {
                 if (q == -ENXIO)
                         continue;
                 if (q < 0) {
-                        log_error("Failed to query %s: %s", path_table[i], strerror(-r));
+                        log_error_errno(r, "Failed to query %s: %m", path_table[i]);
                         r = q;
                         continue;
                 }
@@ -121,10 +108,8 @@ static int print_home(const char *n) {
                         _cleanup_free_ char *p = NULL;
 
                         r = sd_path_home(i, arg_suffix, &p);
-                        if (r < 0) {
-                                log_error("Failed to query %s: %s", n, strerror(-r));
-                                return r;
-                        }
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to query %s: %m", n);
 
                         printf("%s\n", p);
                         return 0;
@@ -135,6 +120,15 @@ static int print_home(const char *n) {
         return -ENOTSUP;
 }
 
+static void help(void) {
+        printf("%s [OPTIONS...] [NAME...]\n\n"
+               "Show system and user paths.\n\n"
+               "  -h --help             Show this help\n"
+               "     --version          Show package version\n"
+               "     --suffix=SUFFIX    Suffix to append to paths\n",
+               program_invocation_short_name);
+}
+
 static int parse_argv(int argc, char *argv[]) {
 
         enum {
@@ -154,12 +148,13 @@ static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
 
                 switch (c) {
 
                 case 'h':
-                        return help();
+                        help();
+                        return 0;
 
                 case ARG_VERSION:
                         puts(PACKAGE_STRING);
@@ -176,7 +171,6 @@ static int parse_argv(int argc, char *argv[]) {
                 default:
                         assert_not_reached("Unhandled option");
                 }
-        }
 
         return 1;
 }