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-rw-r--r--src/libsystemd/sd-bus/bus-error.c2
-rw-r--r--src/libsystemd/sd-bus/test-bus-error.c13
2 files changed, 14 insertions, 1 deletions
diff --git a/src/libsystemd/sd-bus/bus-error.c b/src/libsystemd/sd-bus/bus-error.c
index 2e64b925f3..ad1a66da72 100644
--- a/src/libsystemd/sd-bus/bus-error.c
+++ b/src/libsystemd/sd-bus/bus-error.c
@@ -80,7 +80,7 @@ static int bus_error_mapping_lookup(const char *name, size_t len) {
const sd_bus_name_error_mapping *m;
for (m = __start_sd_bus_errnomap; m < __stop_sd_bus_errnomap; m++)
- if (strneq(m->name, name, len))
+ if (m->name && strneq(m->name, name, len))
return m->code;
return EIO;
diff --git a/src/libsystemd/sd-bus/test-bus-error.c b/src/libsystemd/sd-bus/test-bus-error.c
index dd0cca4ab8..aff34a90cd 100644
--- a/src/libsystemd/sd-bus/test-bus-error.c
+++ b/src/libsystemd/sd-bus/test-bus-error.c
@@ -111,6 +111,18 @@ static void test_error(void) {
assert_se(sd_bus_error_is_set(&error));
}
+extern const sd_bus_name_error_mapping __start_sd_bus_errnomap[];
+extern const sd_bus_name_error_mapping __stop_sd_bus_errnomap[];
+
+static void dump_mapping_table(void) {
+ const sd_bus_name_error_mapping *m;
+
+ printf("----- errno mappings ------\n");
+ for (m = __start_sd_bus_errnomap; m < __stop_sd_bus_errnomap; m++)
+ printf("%s -> %d\n", m->name, m->code);
+ printf("---------------------------\n");
+}
+
static void test_errno_mapping_standard(void) {
assert_se(sd_bus_error_set(NULL, "System.Error.EUCLEAN", NULL) == -EUCLEAN);
assert_se(sd_bus_error_set(NULL, "System.Error.EBUSY", NULL) == -EBUSY);
@@ -130,6 +142,7 @@ static void test_errno_mapping_custom(void) {
}
int main(int argc, char *argv[]) {
+ dump_mapping_table();
test_error();
test_errno_mapping_standard();