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authorDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-03-25 01:55:08 +0100
committerDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-03-25 01:55:08 +0100
commitf97add9041c7cf330d2743b1dca9267676bdaa72 (patch)
tree7b1a5b4418367e1462d912cdff17a1b2d1173c37 /lib
parent9257f12e68794a557496637e2fa951738a37af26 (diff)
Add file with service enum conversion functions
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'lib')
-rw-r--r--lib/Makemodule.am4
-rw-r--r--lib/include/service.h8
-rw-r--r--lib/include/util.h7
-rw-r--r--lib/src/enum_to_name.c32
-rw-r--r--lib/src/rdsrv.c27
-rw-r--r--lib/src/svcmap.c58
6 files changed, 113 insertions, 23 deletions
diff --git a/lib/Makemodule.am b/lib/Makemodule.am
index bd82e81..a9d7e0c 100644
--- a/lib/Makemodule.am
+++ b/lib/Makemodule.am
@@ -1,10 +1,10 @@
HEADRS = lib/include/util.h lib/include/service.h lib/include/telinit.h
-libinit_a_SOURCES = lib/src/delsrv.c lib/src/rdline.c
+libinit_a_SOURCES = lib/src/delsrv.c lib/src/rdline.c lib/src/svcmap.c
libinit_a_SOURCES += lib/src/splitkv.c lib/src/enum_by_name.c
libinit_a_SOURCES += lib/src/strexpand.c lib/src/rdsrv.c lib/src/srvscan.c
libinit_a_SOURCES += lib/src/del_srv_list.c lib/src/srv_tsort.c
-libinit_a_SOURCES += lib/src/opensock.c $(HEADRS)
+libinit_a_SOURCES += lib/src/opensock.c lib/src/enum_to_name.c $(HEADRS)
libinit_a_CPPFLAGS = $(AM_CPPFLAGS)
libinit_a_CFLAGS = $(AM_CFLAGS)
diff --git a/lib/include/service.h b/lib/include/service.h
index 6808bdd..dd7700c 100644
--- a/lib/include/service.h
+++ b/lib/include/service.h
@@ -91,5 +91,13 @@ void del_srv_list(service_list_t *list);
*/
service_t *srv_tsort(service_t *list);
+const char *svc_type_to_string(int type);
+
+int svc_type_from_string(const char *type);
+
+const char *svc_target_to_string(int target);
+
+int svc_target_from_string(const char *target);
+
#endif /* SERVICE_H */
diff --git a/lib/include/util.h b/lib/include/util.h
index ed5dac2..9ba9ffb 100644
--- a/lib/include/util.h
+++ b/lib/include/util.h
@@ -70,6 +70,13 @@ int splitkv(char *line, char **key, char **value);
const enum_map_t *enum_by_name(const enum_map_t *map, const char *name);
/*
+ Search through an array of enum_map_t entries to resolve a numeric
+ value to a string name. The end of the map is indicated by a sentinel
+ entry with the name set to NULL.
+*/
+const char *enum_to_name(const enum_map_t *map, int value);
+
+/*
Create a copy of the input string inp, but replace all occourances
of %<number> with argv[number] if the number is within the bounds
specified by argc.
diff --git a/lib/src/enum_to_name.c b/lib/src/enum_to_name.c
new file mode 100644
index 0000000..43fd4dc
--- /dev/null
+++ b/lib/src/enum_to_name.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+#include <string.h>
+
+#include "util.h"
+
+const char *enum_to_name(const enum_map_t *map, int value)
+{
+ size_t i;
+
+ for (i = 0; map[i].name != NULL; ++i) {
+ if (map[i].value == value)
+ return map[i].name;
+ }
+
+ return NULL;
+}
diff --git a/lib/src/rdsrv.c b/lib/src/rdsrv.c
index ec60ce1..88d41e8 100644
--- a/lib/src/rdsrv.c
+++ b/lib/src/rdsrv.c
@@ -27,21 +27,6 @@
#include "service.h"
#include "util.h"
-static const enum_map_t type_map[] = {
- { "once", SVC_ONCE },
- { "wait", SVC_WAIT },
- { "respawn", SVC_RESPAWN },
- { NULL, 0 },
-};
-
-static const enum_map_t target_map[] = {
- { "boot", TGT_BOOT },
- { "shutdown", TGT_SHUTDOWN },
- { "reboot", TGT_REBOOT },
- { "ctrlaltdel", TGT_CAD },
- { NULL, 0 },
-};
-
static int srv_name(service_t *srv, char *arg,
const char *filename, size_t lineno)
{
@@ -118,15 +103,15 @@ static int srv_after(service_t *srv, char *arg,
static int srv_type(service_t *srv, char *arg,
const char *filename, size_t lineno)
{
- const enum_map_t *ent = enum_by_name(type_map, arg);
+ int type = svc_type_from_string(arg);
- if (ent == NULL) {
+ if (type == -1) {
fprintf(stderr, "%s: %zu: unknown service type '%s'\n",
filename, lineno, arg);
return -1;
}
- srv->type = ent->value;
+ srv->type = type;
free(arg);
return 0;
}
@@ -134,15 +119,15 @@ static int srv_type(service_t *srv, char *arg,
static int srv_target(service_t *srv, char *arg,
const char *filename, size_t lineno)
{
- const enum_map_t *ent = enum_by_name(target_map, arg);
+ int target = svc_target_from_string(arg);
- if (ent == NULL) {
+ if (target == -1) {
fprintf(stderr, "%s: %zu: unknown service target '%s'\n",
filename, lineno, arg);
return -1;
}
- srv->target = ent->value;
+ srv->target = target;
free(arg);
return 0;
}
diff --git a/lib/src/svcmap.c b/lib/src/svcmap.c
new file mode 100644
index 0000000..5df8ca9
--- /dev/null
+++ b/lib/src/svcmap.c
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+#include "service.h"
+#include "util.h"
+
+static const enum_map_t type_map[] = {
+ { "once", SVC_ONCE },
+ { "wait", SVC_WAIT },
+ { "respawn", SVC_RESPAWN },
+ { NULL, 0 },
+};
+
+static const enum_map_t target_map[] = {
+ { "boot", TGT_BOOT },
+ { "shutdown", TGT_SHUTDOWN },
+ { "reboot", TGT_REBOOT },
+ { "ctrlaltdel", TGT_CAD },
+ { NULL, 0 },
+};
+
+const char *svc_type_to_string(int type)
+{
+ return enum_to_name(type_map, type);
+}
+
+int svc_type_from_string(const char *type)
+{
+ const enum_map_t *ent = enum_by_name(type_map, type);
+
+ return ent == NULL ? -1 : ent->value;
+}
+
+const char *svc_target_to_string(int target)
+{
+ return enum_to_name(target_map, target);
+}
+
+int svc_target_from_string(const char *target)
+{
+ const enum_map_t *ent = enum_by_name(target_map, target);
+
+ return ent == NULL ? -1 : ent->value;
+}