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feat(logging)!: add enhanced logging system

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BREAKING CHANGE: stk_log() signature changed to require log level

- Add log levels (ERROR, WARN, INFO, DEBUG) with runtime filtering
- Add timestamps (yyyy-mm-dd HH:MM:SS.mmm format)
- Add stk_set_log_output(), stk_set_log_prefix(), stk_set_log_level()
- Platform-specific timestamp: GetLocalTime (Windows), gettimeofday (POSIX)
- Consolidate duplicate platform includes into POSIX common block
- Setting log output to NULL disables logging.

Default: INFO level, "stk" prefix, stdout output. All internal messages
use appropriate severity levels. Single byte flag controls enable/disable.
This commit is contained in:
anth64
2026-02-14 16:59:56 +01:00
parent 26fb19a7f5
commit 110b7ffca8
5 changed files with 135 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/stk.c
+17 -14
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@@ -86,7 +86,7 @@ unsigned char stk_init(void)
if (test_scan)
free(test_scan);
if (!test_scan && test_count == 0) {
stk_log(stderr,
stk_log(STK_LOG_ERROR,
"FATAL: Cannot create temp directory: %s",
stk_tmp_dir);
return STK_INIT_TMPDIR_ERROR;
@@ -96,7 +96,7 @@ unsigned char stk_init(void)
files = platform_directory_init_scan(stk_mod_dir, &file_count);
if (file_count > 0 && stk_module_init_memory(file_count) != 0) {
stk_log(stderr, "FATAL: Memory allocation failed");
stk_log(STK_LOG_ERROR, "FATAL: Memory allocation failed");
return STK_INIT_MEMORY_ERROR;
}
@@ -109,7 +109,8 @@ unsigned char stk_init(void)
if (platform_copy_file(full_path, tmp_path) !=
STK_PLATFORM_OPERATION_SUCCESS) {
stk_log(stderr, "Failed to copy %s to temp directory",
stk_log(STK_LOG_ERROR,
"Failed to copy %s to temp directory",
files[i]);
continue;
}
@@ -117,7 +118,7 @@ unsigned char stk_init(void)
load_result = stk_module_load_init(tmp_path, successful_loads);
if (load_result != STK_MOD_INIT_SUCCESS) {
stk_log(stderr, "Failed to load module %s: %s",
stk_log(STK_LOG_ERROR, "Failed to load module %s: %s",
files[i], stk_error_string(load_result));
} else {
successful_loads++;
@@ -133,13 +134,14 @@ unsigned char stk_init(void)
scanned:
watch_handle = platform_directory_watch_start(stk_mod_dir);
if (!watch_handle) {
stk_log(stderr, "FATAL: Cannot start directory watch on %s",
stk_log(STK_LOG_ERROR,
"FATAL: Cannot start directory watch on %s",
stk_mod_dir);
stk_module_unload_all();
return STK_INIT_WATCH_ERROR;
}
stk_log(stdout, "stk v%s initialized! Loaded %lu mod%s from %s/",
stk_log(STK_LOG_INFO, "stk v%s initialized! Loaded %lu mod%s from %s/",
STK_VERSION_STRING, module_count, module_count != 1 ? "s" : "",
stk_mod_dir);
@@ -158,12 +160,13 @@ void stk_shutdown(void)
if (platform_remove_dir(stk_tmp_dir) !=
STK_PLATFORM_OPERATION_SUCCESS) {
stk_log(stderr, "Warning: failed to remove temp directory %s",
stk_log(STK_LOG_WARN,
"Warning: failed to remove temp directory %s",
stk_tmp_dir);
}
stk_flags &= ~STK_FLAG_INITIALIZED;
stk_log(stdout, "stk shutdown");
stk_log(STK_LOG_INFO, "stk shutdown");
}
size_t stk_poll(void)
@@ -262,7 +265,7 @@ begin_operations:
if (platform_copy_file(full_path, tmp_path) !=
STK_PLATFORM_OPERATION_SUCCESS) {
stk_log(stderr, "Failed to copy %s for reload",
stk_log(STK_LOG_ERROR, "Failed to copy %s for reload",
file_list[file_index]);
continue;
}
@@ -271,7 +274,7 @@ begin_operations:
load_result = stk_module_load(tmp_path, mod_index);
if (load_result != STK_MOD_INIT_SUCCESS) {
stk_log(stderr, "Failed to reload module %s: %s",
stk_log(STK_LOG_ERROR, "Failed to reload module %s: %s",
file_list[file_index],
stk_error_string(load_result));
}
@@ -289,14 +292,14 @@ begin_operations:
if (platform_copy_file(full_path, tmp_path) !=
STK_PLATFORM_OPERATION_SUCCESS) {
stk_log(stderr, "Failed to copy %s for loading",
stk_log(STK_LOG_ERROR, "Failed to copy %s for loading",
file_list[file_index]);
continue;
}
load_result = stk_module_load(tmp_path, target_index);
if (load_result != STK_MOD_INIT_SUCCESS) {
stk_log(stderr, "Failed to load module %s: %s",
stk_log(STK_LOG_ERROR, "Failed to load module %s: %s",
file_list[file_index],
stk_error_string(load_result));
}
@@ -321,7 +324,7 @@ append_modules:
if (platform_copy_file(full_path, tmp_path) !=
STK_PLATFORM_OPERATION_SUCCESS) {
stk_log(stderr, "Failed to copy %s for loading",
stk_log(STK_LOG_ERROR, "Failed to copy %s for loading",
file_list[file_index]);
continue;
}
@@ -329,7 +332,7 @@ append_modules:
load_result = stk_module_load(tmp_path, module_count +
successful_appends);
if (load_result != STK_MOD_INIT_SUCCESS) {
stk_log(stderr, "Failed to load module %s: %s",
stk_log(STK_LOG_ERROR, "Failed to load module %s: %s",
file_list[file_index],
stk_error_string(load_result));
} else {