tags started to be called, but my_printf still doesn't work

aodinokov · Sep 15, 2024 · f6f79ba · f6f79ba
1 parent 326ea67
commit f6f79ba
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Showing 5 changed files with 1,102 additions and 1,081 deletions.
diff --git a/.vscode/launch.json b/.vscode/launch.json
@@ -32,7 +32,7 @@
             "name": "(lldb) Launch - Macos",
             "type": "cppdbg",
             "request": "launch",
-            "program": "${fileDirname}/value_ffi_test",
+            "program": "${fileDirname}/c_print_args",
             "args": [],
             "stopAtEntry": false,
             "cwd": "${fileDirname}",

diff --git a/examples/c_print_args_alt/main.c b/examples/c_print_args_alt/main.c
@@ -27,14 +27,14 @@ double test_function3_with_args(list_t *p_list) {
 }
 METAC_GSYM_LINK(test_function3_with_args);
 
-// int my_printf(const char * format, ...) {
-//     va_list l;
-//     va_start(l, format);
-//     int res = vprintf(format, l);
-//     va_end(l);
-//     return res;
-// }
-// METAC_GSYM_LINK(my_printf);
+int my_printf(const char * format, ...) {
+    va_list l;
+    va_start(l, format);
+    int res = vprintf(format, l);
+    va_end(l);
+    return res;
+}
+METAC_GSYM_LINK(my_printf);
 
 
 metac_tag_map_t * p_tagmap = NULL;
@@ -45,14 +45,14 @@ METAC_TAG_MAP_NEW(va_args_tag_map, NULL, {.mask =
             METAC_TAG_MAP_ENTRY_CATEGORY_MASK(METAC_TEC_final),},)
     /* start tags for all types */
 
-    // METAC_TAG_MAP_ENTRY(METAC_GSYM_LINK_ENTRY(my_printf))
-    //     METAC_TAG_MAP_SET_TAG(0, METAC_TEO_entry, 0, METAC_TAG_MAP_ENTRY_PARAMETER({.n = "format"}),
-    //         METAC_ZERO_ENDED_STRING()
-    //     )
-    //     METAC_TAG_MAP_SET_TAG(0, METAC_TEO_entry, 0, METAC_TAG_MAP_ENTRY_PARAMETER({.i = 1}), 
-    //         METAC_FORMAT_BASED_VA_ARG()
-    //     )
-    // METAC_TAG_MAP_ENTRY_END
+    METAC_TAG_MAP_ENTRY(METAC_GSYM_LINK_ENTRY(my_printf))
+        METAC_TAG_MAP_SET_TAG(0, METAC_TEO_entry, 0, METAC_TAG_MAP_ENTRY_PARAMETER({.n = "format"}),
+            METAC_ZERO_ENDED_STRING()
+        )
+        METAC_TAG_MAP_SET_TAG(0, METAC_TEO_entry, 0, METAC_TAG_MAP_ENTRY_PARAMETER({.i = 1}), 
+            METAC_FORMAT_BASED_VA_ARG()
+        )
+    METAC_TAG_MAP_ENTRY_END
 
 METAC_TAG_MAP_END
 //
@@ -65,6 +65,9 @@ int main() {
     list_t * p_list = (list_t[]){{.x = 42.42, .p_next = (list_t[]){{ .x = 45.4, .p_next = NULL}}}};
     printf("fn returned: %f\n", METAC_WRAP_FN_RES(NULL, test_function3_with_args, p_list));
 
+    // doesn't work yet
+    //printf("fn returned: %i\n", METAC_WRAP_FN_RES(p_tagmap, my_printf, "%d %d", 10, 22));
+
     metac_tag_map_delete(p_tagmap);
     return 0;
 }