[PATCH 1/3] msvcp140_atomic_wait: Partially implement __std_tzdb_*_time_zones().

[Aida Jonikienė]

From: Aida Jonikienė

__std_tzdb_get_time_zones() is a stub until ICU can be compiled.
---
 dlls/msvcp140_atomic_wait/main.c              | 63 +++++++++++++++++++
 .../msvcp140_atomic_wait.spec                 |  4 +-
 2 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcp140_atomic_wait/main.c b/dlls/msvcp140_atomic_wait/main.c
index 52ecae486eb..6bfcebe5c5c 100644
--- a/dlls/msvcp140_atomic_wait/main.c
+++ b/dlls/msvcp140_atomic_wait/main.c
@@ -175,3 +175,66 @@ void __stdcall __std_free_crt(void *ptr)
 {
     free(ptr);
 }
+
+typedef enum _std_tzdb_error {
+    success   = 0,
+    win_error = 1,
+    icu_error = 2,
+} __std_tzdb_error;
+
+typedef struct {
+    __std_tzdb_error err;
+
+    const char* version;
+    size_t num_timezones;
+    const char** names;
+    const char** links;
+} __std_tzdb_time_zones_info;
+
+__std_tzdb_time_zones_info* __stdcall __std_tzdb_get_time_zones(void)
+{
+    __std_tzdb_time_zones_info *info;
+
+    FIXME("stub\n");
+
+    info = calloc(1, sizeof(*info));
+    if (!info)
+    {
+        ERR("Failed to allocate struct\n");
+        return NULL;
+    }
+
+    /* TODO: Add real timezone info from ICU. */
+    info->version = strdup("2024a");
+    info->num_timezones = 1;
+    info->names = calloc(1, sizeof(char *) * info->num_timezones);
+    info->links = calloc(1, sizeof(char *) * info->num_timezones);
+    info->names[0] = strdup("Europe/London");
+    info->links[0] = strdup("Europe/London");
+    return info;
+}
+
+void __stdcall __std_tzdb_delete_time_zones(__std_tzdb_time_zones_info* info)
+{
+    int i;
+
+    TRACE("(%p)\n", info);
+
+    if (info)
+    {
+        if (info->names)
+        {
+            for (i = 0; i < info->num_timezones; i++)
+                free((char *)info->names[i]);
+            free((char *)info->names);
+        }
+        if (info->links)
+        {
+            for (i = 0; i < info->num_timezones; i++)
+                free((char *)info->links[i]);
+            free((char *)info->links);
+        }
+        free((char *)info->version);
+    }
+    free(info);
+}
diff --git a/dlls/msvcp140_atomic_wait/msvcp140_atomic_wait.spec b/dlls/msvcp140_atomic_wait/msvcp140_atomic_wait.spec
index 88ed59adad9..08ccb27fcf7 100644
--- a/dlls/msvcp140_atomic_wait/msvcp140_atomic_wait.spec
+++ b/dlls/msvcp140_atomic_wait/msvcp140_atomic_wait.spec
@@ -24,9 +24,9 @@
 @ stub __std_tzdb_delete_current_zone
 @ stub __std_tzdb_delete_leap_seconds
 @ stub __std_tzdb_delete_sys_info
-@ stub __std_tzdb_delete_time_zones
+@ stdcall __std_tzdb_delete_time_zones(ptr)
 @ stub __std_tzdb_get_current_zone
 @ stub __std_tzdb_get_leap_seconds
 @ stub __std_tzdb_get_sys_info
-@ stub __std_tzdb_get_time_zones
+@ stdcall __std_tzdb_get_time_zones()
 @ stdcall __std_wait_for_threadpool_work_callbacks(ptr long)