added sec_t

include/tlibc/errors.h

@@ -25,7 +25,7 @@ Error* Error_create(const char* msg, bool is_msg_on_heap, ErrorCallPos p);
 void Error_free(Error* e);
 void Error_addCallPos(Error* e, ErrorCallPos p);
 str Error_toStr(Error* e);
-void Error_printAndExit(Error* e) __attribute__ ((__noreturn__));
+void Error_printAndExit(Error* e) ATTRIBUTE_NORETURN;
 
 typedef struct Result_ {
     Error* error;
@@ -38,8 +38,13 @@ typedef struct Result_ {
     };
 } Result_;
 
-#define Result(T) Result_
-
+///Use this macro only to specify function return type.
+/// To declare variable, use ResultVar().
+/// Warning can be suppressed by IGNORE_RESULT
+#define Result(T) Result_ ATTRIBUTE_WARN_UNUSED_RESULT
+#define ResultVar(T) Result_
+///USAGE: IGNORE_RESULT trySomething();
+#define IGNORE_RESULT Result_ __ignored_##__LINE__ ATTRIBUTE_UNUSED = 
 
 #define RESULT_ERROR(MSG, IS_MSG_ON_HEAP) (Result_){ .error = Error_create(MSG, IS_MSG_ON_HEAP, ErrorCallPos_here()) }
 #define RESULT_ERROR_FMT(FORMAT, ARGS...) RESULT_ERROR(sprintf_malloc(4096, FORMAT ,##ARGS), true)

include/tlibc/std.h

@@ -64,6 +64,27 @@ typedef const char* cstr;
 /// @warning pointer can be null
 #define NULLABLE(NAME) NAME
 
+#define ATTRIBUTE_PACKED \
+    __attribute__((__packed__))
+
+#define ATTRIBUTE_ALIGNED(BYTE_N) \
+    __attribute__((aligned(BYTE_N)))
+
+#define ATTRIBUTE_NORETURN \
+    __attribute__ ((__noreturn__))
+
+#define ATTRIBUTE_WARN_UNUSED_RESULT \
+    __attribute__((warn_unused_result))
+
+#define ATTRIBUTE_UNUSED \
+    __attribute__ ((unused))
+
+///@brief https://gcc.gnu.org/onlinedocs/gcc-15.2.0/gcc/Common-Function-Attributes.html#index-format-function-attribute
+///@param FMT_ARG_INDEX Index of format literal argument. First argument is 1.
+///@param VARIADIC_ARGS_INDEX Index of variadic arguments.
+#define ATTRIBUTE_CHECK_FORMAT_PRINTF(FMT_ARG_INDEX, VARIADIC_ARGS_INDEX) \
+    __attribute__((__format__(__printf__, FMT_ARG_INDEX, VARIADIC_ARGS_INDEX)))
+
 
 #if __cplusplus
 }

include/tlibc/string/cstr.h

@@ -5,5 +5,5 @@
 char* _strcat_malloc(size_t n, cstr str0, ...);
 char* _vstrcat_malloc(size_t n, cstr str0, va_list argv);
 
-char* NULLABLE(sprintf_malloc)(size_t buffer_size, cstr format, ...) __attribute__((__format__(__printf__, 2, 3)));
+char* NULLABLE(sprintf_malloc)(size_t buffer_size, cstr format, ...) ATTRIBUTE_CHECK_FORMAT_PRINTF(2, 3);
 char* NULLABLE(vsprintf_malloc)(size_t buffer_size, cstr format, va_list argv);

include/tlibc/time.h

@@ -12,6 +12,8 @@ typedef u64 nsec_t;
 typedef u64 usec_t;
 /// miliseconds
 typedef u64 msec_t;
+/// seconds
+typedef u64 sec_t;
 
 /// system time now in nanoseconds
 ///@return u64 will overflow in 13 years

src/errors.c

@@ -27,7 +27,7 @@ str Error_toStr(Error* e){
     u32 len = List_len(&e->call_stack, ErrorCallPos);
     StringBuilder b = StringBuilder_alloc(e->msg.size + 80 * len);
     
-    StringBuilder_append_str(&b, STR("Error: "));
+    StringBuilder_append_str(&b, STR("Catched Error: "));
     StringBuilder_append_str(&b, e->msg);
     for(u32 i = 0; i < len; i++){
         ErrorCallPos* ep = (ErrorCallPos*)e->call_stack.data + i;