build-sys: make PolicyKit support compile-time optional (was runtime-optional already)

[elogind.git] / src / shared / efivars.c

diff --git a/src/shared/efivars.c b/src/shared/efivars.c
index 7918c59613cda0682d6633a50a6cdc459cec2e4c..840e4e0c350cbbbfeb873375c19f783317f523ae 100644 (file)
--- a/src/shared/efivars.c
+++ b/src/shared/efivars.c
@@ -303,11 +303,22 @@ static int boot_id_hex(const char s[4]) {
         return id;
 }
 
+static int cmp_uint16(const void *_a, const void *_b) {
+        const uint16_t *a = _a, *b = _b;
+
+        if (*a < *b)
+                return -1;
+        if (*a > *b)
+                return 1;
+
+        return 0;
+}
+
 int efi_get_boot_options(uint16_t **options) {
         _cleanup_closedir_ DIR *dir = NULL;
         struct dirent *de;
         uint16_t *list = NULL;
-        int count = 0;
+        int count = 0, r;
 
         assert(options);
 
@@ -315,7 +326,7 @@ int efi_get_boot_options(uint16_t **options) {
         if (!dir)
                 return -errno;
 
-        while ((de = readdir(dir))) {
+        FOREACH_DIRENT(de, dir, r = -errno; goto fail) {
                 int id;
                 uint16_t *t;
 
@@ -334,37 +345,36 @@ int efi_get_boot_options(uint16_t **options) {
 
                 t = realloc(list, (count + 1) * sizeof(uint16_t));
                 if (!t) {
-                        free(list);
-                        return -ENOMEM;
+                        r = -ENOMEM;
+                        goto fail;
                 }
 
                 list = t;
                 list[count ++] = id;
-
         }
 
+        qsort(list, count, sizeof(uint16_t), cmp_uint16);
+
         *options = list;
         return count;
+
+fail:
+        free(list);
+        return r;
 }
 
 static int read_usec(sd_id128_t vendor, const char *name, usec_t *u) {
-        _cleanup_free_ void *i = NULL;
         _cleanup_free_ char *j = NULL;
-        size_t is;
         int r;
         uint64_t x;
 
         assert(name);
         assert(u);
 
-        r = efi_get_variable(EFI_VENDOR_LOADER, name, NULL, &i, &is);
+        r = efi_get_variable_string(EFI_VENDOR_LOADER, name, &j);
         if (r < 0)
                 return r;
 
-        j = utf16_to_utf8(i, is);
-        if (!j)
-                return -ENOMEM;
-
         r = safe_atou64(j, &x);
         if (r < 0)
                 return r;
@@ -437,22 +447,16 @@ int efi_get_boot_timestamps(const dual_timestamp *n, dual_timestamp *firmware, d
 }
 
 int efi_get_loader_device_part_uuid(sd_id128_t *u) {
-        _cleanup_free_ void *s = NULL;
         _cleanup_free_ char *p = NULL;
-        size_t ss;
         int r, parsed[16];
         unsigned i;
 
         assert(u);
 
-        r = efi_get_variable(EFI_VENDOR_LOADER, "LoaderDevicePartUUID", NULL, &s, &ss);
+        r = efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderDevicePartUUID", &p);
         if (r < 0)
                 return r;
 
-        p = utf16_to_utf8(s, ss);
-        if (!p)
-                return -ENOMEM;
-
         if (sscanf(p, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
                    &parsed[0], &parsed[1], &parsed[2], &parsed[3],
                    &parsed[4], &parsed[5], &parsed[6], &parsed[7],