sd-bus: add a variant of sd_bus_error_has_name() that takes multiple names

4 files changed, 31 insertions, 3 deletions

diff --git a/src/libsystemd/libsystemd.sym b/src/libsystemd/libsystemd.sym
index 3168a4dcc4..e2b0d118b0 100644
--- a/src/libsystemd/libsystemd.sym
+++ b/src/libsystemd/libsystemd.sym
@@ -727,3 +727,8 @@ global:
         sd_event_add_time_relative;
         sd_event_source_set_time_relative;
 } LIBSYSTEMD_246;
+
+LIBSYSTEMD_248 {
+global:
+        sd_bus_error_has_names_sentinel;
+} LIBSYSTEMD_247;
diff --git a/src/libsystemd/sd-bus/bus-error.c b/src/libsystemd/sd-bus/bus-error.c
index f760f0fdd2..63f5097161 100644
--- a/src/libsystemd/sd-bus/bus-error.c
+++ b/src/libsystemd/sd-bus/bus-error.c
@@ -13,6 +13,7 @@
 #include "errno-list.h"
 #include "errno-util.h"
 #include "string-util.h"
+#include "strv.h"
 #include "util.h"
 
 BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map bus_standard_errors[] = {
@@ -355,11 +356,23 @@ _public_ int sd_bus_error_has_name(const sd_bus_error *e, const char *name) {
         return streq_ptr(e->name, name);
 }
 
-_public_ int sd_bus_error_get_errno(const sd_bus_error* e) {
-        if (!e)
+_public_ int sd_bus_error_has_names_sentinel(const sd_bus_error *e, ...) {
+        if (!e || !e->name)
                 return 0;
 
-        if (!e->name)
+        va_list ap;
+        const char *p;
+
+        va_start(ap, e);
+        while ((p = va_arg(ap, const char *)))
+                if (streq(p, e->name))
+                        break;
+        va_end(ap);
+        return !!p;
+}
+
+_public_ int sd_bus_error_get_errno(const sd_bus_error* e) {
+        if (!e || !e->name)
                 return 0;
 
         return bus_error_name_to_errno(e->name);
diff --git a/src/libsystemd/sd-bus/test-bus-error.c b/src/libsystemd/sd-bus/test-bus-error.c
index cb5d620993..52d30c85ad 100644
--- a/src/libsystemd/sd-bus/test-bus-error.c
+++ b/src/libsystemd/sd-bus/test-bus-error.c
@@ -22,6 +22,11 @@ static void test_error(void) {
         assert_se(streq(error.name, SD_BUS_ERROR_NOT_SUPPORTED));
         assert_se(streq(error.message, "xxx"));
         assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_NOT_SUPPORTED));
+        assert_se(sd_bus_error_has_names_sentinel(&error, SD_BUS_ERROR_NOT_SUPPORTED, NULL));
+        assert_se(sd_bus_error_has_names(&error, SD_BUS_ERROR_NOT_SUPPORTED));
+        assert_se(sd_bus_error_has_names(&error, SD_BUS_ERROR_NOT_SUPPORTED, SD_BUS_ERROR_FILE_NOT_FOUND));
+        assert_se(sd_bus_error_has_names(&error, SD_BUS_ERROR_FILE_NOT_FOUND, SD_BUS_ERROR_NOT_SUPPORTED, NULL));
+        assert_se(!sd_bus_error_has_names(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(sd_bus_error_get_errno(&error) == EOPNOTSUPP);
         assert_se(sd_bus_error_is_set(&error));
         sd_bus_error_free(&error);
@@ -32,6 +37,7 @@ static void test_error(void) {
         assert_se(error.name == NULL);
         assert_se(error.message == NULL);
         assert_se(!sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
+        assert_se(!sd_bus_error_has_names(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(sd_bus_error_get_errno(&error) == 0);
         assert_se(!sd_bus_error_is_set(&error));
 
@@ -39,6 +45,7 @@ static void test_error(void) {
         assert_se(streq(error.name, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(streq(error.message, "yyy -1"));
         assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
+        assert_se(sd_bus_error_has_names(&error, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(sd_bus_error_get_errno(&error) == ENOENT);
         assert_se(sd_bus_error_is_set(&error));
 
@@ -51,6 +58,7 @@ static void test_error(void) {
         assert_se(streq(error.message, second.message));
         assert_se(sd_bus_error_get_errno(&second) == ENOENT);
         assert_se(sd_bus_error_has_name(&second, SD_BUS_ERROR_FILE_NOT_FOUND));
+        assert_se(sd_bus_error_has_names(&second, SD_BUS_ERROR_FILE_NOT_FOUND));
         assert_se(sd_bus_error_is_set(&second));
 
         sd_bus_error_free(&error);
diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index d4b6befc8c..787bc71271 100644
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -458,6 +458,8 @@ int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
 int sd_bus_error_move(sd_bus_error *dest, sd_bus_error *e);
 int sd_bus_error_is_set(const sd_bus_error *e);
 int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
+int sd_bus_error_has_names_sentinel(const sd_bus_error *e, ...) _sd_sentinel_;
+#define sd_bus_error_has_names(e, ...) sd_bus_error_has_names_sentinel(e, __VA_ARGS__, NULL)
 
 #define SD_BUS_ERROR_MAP(_name, _code)          \
         {                                       \