SanderMertens#106 add strdup to OS API

Author: SanderMertens

include/flecs/util/os_api.h

@@ -47,6 +47,9 @@ void* (*ecs_os_api_calloc_t)(
     size_t num,
     size_t size);
 
+typedef
+char* (*ecs_os_api_strdup_t)(
+    const char *str);
 
 /* Threads */
 typedef
@@ -147,6 +150,7 @@ typedef struct ecs_os_api_t {
     ecs_os_api_realloc_t realloc;
     ecs_os_api_calloc_t calloc;
     ecs_os_api_free_t free;
+    ecs_os_api_strdup_t strdup;
 
     /* Threads */
     ecs_os_api_thread_new_t thread_new;
@@ -203,6 +207,7 @@ void ecs_os_set_api_defaults(void);
 #define ecs_os_free(ptr) ecs_os_api.free(ptr);
 #define ecs_os_realloc(ptr, size) ecs_os_api.realloc(ptr, size)
 #define ecs_os_calloc(num, size) ecs_os_api.calloc(num, size)
+#define ecs_os_strdup(str) ecs_os_api.strdup(str)
 
 #if defined(_MSC_VER) || defined(__MINGW32__)
 #define ecs_os_alloca(type, count) _alloca(sizeof(type) * (count))

src/column_system.c

@@ -756,7 +756,7 @@ ecs_entity_t ecs_new_col_system(
     memset(system_data, 0, sizeof(EcsColSystem));
     system_data->base.action = action;
     system_data->base.enabled = true;
-    system_data->base.signature = strdup(sig);
+    system_data->base.signature = ecs_os_strdup(sig);
     system_data->base.time_spent = 0;
     system_data->base.columns = ecs_vector_new(&system_column_params, count);
     system_data->base.invoke_count = 0;

src/os_api.c

@@ -263,6 +263,14 @@ void ecs_os_api_free(void *ptr) {
     free(ptr);
 }
 
+static
+char* ecs_os_api_strdup(const char *str) {
+    int len = strlen(str);
+    char *result = ecs_os_api_malloc(len + 1);
+    strcpy(result, str);
+    return result;
+}
+
 void ecs_os_set_api_defaults(void)
 {
     /* Don't overwrite if already initialized */
@@ -276,6 +284,7 @@ void ecs_os_set_api_defaults(void)
     ecs_os_api.free = ecs_os_api_free;
     ecs_os_api.realloc = ecs_os_api_realloc;
     ecs_os_api.calloc = ecs_os_api_calloc;
+    ecs_os_api.strdup = ecs_os_api_strdup;
 
 #ifdef __BAKE__
     ecs_os_api.thread_new = bake_thread_new;

src/system.c

@@ -105,7 +105,7 @@ ecs_entity_t new_row_system(
     EcsRowSystem *system_data = ecs_get_ptr(world, result, EcsRowSystem);
     memset(system_data, 0, sizeof(EcsRowSystem));
     system_data->base.action = action;
-    system_data->base.signature = strdup(sig);
+    system_data->base.signature = ecs_os_strdup(sig);
     system_data->base.enabled = true;
     system_data->base.invoke_count = 0;
     system_data->base.kind = kind;