rework some (minor) things

src/atrb.h

@@ -0,0 +1,59 @@
+// Copyright (c) 2025 Quinn
+// Licensed under the MIT Licence. See LICENSE for details
+#pragma once
+
+#if defined(__GNUC__)
+#if __has_attribute(__pure__)
+#define PURE __attribute__((__pure__))
+#else
+#define PURE
+#endif
+
+#if __has_attribute(__const__)
+#define CONST __attribute__((__const__))
+#else
+#define CONST
+#endif
+
+#if __has_attribute(__noreturn__)
+#define NORET __attribute__((__noreturn__))
+#else
+#define NORET
+#endif
+
+#if __has_attribute(__malloc__)
+#define MALLOC __attribute__((__malloc__))
+#else
+#define MALLOC
+#endif
+
+#if __has_attribute(__used__)
+#define USED __attribute__((__used__))
+#else
+#define USED
+#endif
+
+#if __has_attribute(__unused__)
+#define UNUSED __attribute__((__unused__))
+#else
+#define UNUSED
+#endif
+
+#if __has_attribute(__deprecated__)
+#define DEPRECATED __attribute__((__deprecated__))
+#else
+#define DEPRECATED
+#endif
+
+#if __has_attribute(__format__)
+#define FORMAT(...) __attribute__((format(__VA_ARGS__)))
+#else
+#define FORMAT(...)
+#endif
+
+#if __has_attribute(__nonnull__)
+#define NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
+#else
+#define NONNULL(...)
+#endif
+#endif

src/error.c

@@ -1,18 +0,0 @@
-#include "error.h"
-
-#include <stdarg.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdnoreturn.h>
-
-noreturn void fatal(const char *fmt, ...) {
-	char buf[128];
-	va_list args;
-	va_start(args, fmt);
-	vsnprintf(buf, 128, fmt, args);
-	va_end(args);
-
-	fprintf(stderr, "\033[91mE: %s\033[0m\n", buf);
-	exit(1);
-}

src/error.h

@@ -1,7 +1,21 @@
+// Copyright (c) 2025 Quinn
+// Licensed under the MIT Licence. See LICENSE for details
 #pragma once
-#include <stdarg.h>
-#include <stdint.h>
-#include <stdnoreturn.h>
 
-// prints an error message and aborts execution
-noreturn void fatal(const char *, ...);
+#if __INCLUDE_LEVEL__ > 0
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "util/macro.h"
+#endif
+
+#define debug(s, ...) printf("\033[95m" __FILE__ ":" MACRO_STR2(__LINE__) ": [DBG]: " s "\033[0m\n", ##__VA_ARGS__)
+#define info(s, ...)  printf(__FILE__ ":" MACRO_STR2(__LINE__) ": [INF]: " s "\n", ##__VA_ARGS__)
+#define warn(s, ...)  fprintf(stderr, "\033[93m" __FILE__ ":" MACRO_STR2(__LINE__) ": [WAR]: " s "\033[0m\n", ##__VA_ARGS__)
+#define error(s, ...) fprintf(stderr, "\033[91m" __FILE__ ":" MACRO_STR2(__LINE__) ": [ERR]: " s "\033[0m\n", ##__VA_ARGS__)
+
+#define fatal(s, ...)                                                                                           \
+	do {                                                                                                    \
+		printf("\033[101m" __FILE__ ":" MACRO_STR2(__LINE__) ": [FAT]: " s "\033[0m\n", ##__VA_ARGS__); \
+		exit(EXIT_FAILURE);                                                                                        \
+	} while (0)

src/opts.c

@@ -10,23 +10,22 @@ uint8_t getoptions(int32_t argc, char *const *argv, int32_t *ncpus) {
 	uint8_t opts = 0;
 	char opt;
 
-	const char *const msg = "-%c has already been set";
 	while ((opt = getopt(argc, argv, "lavi")) != -1) {
 		switch (opt) {
 		case 'l':
-			if (opts & OPT_LIST_CORES) fatal(msg, 'l');
+			if (opts & OPT_LIST_CORES) fatal("-%c has already been set", 'l');
 			opts |= OPT_LIST_CORES;
 			break;
 		case 'a':
-			if (opts & OPT_SET_ALL) fatal(msg, 'a');
+			if (opts & OPT_SET_ALL) fatal("-%c has already been set", 'a');
 			opts |= OPT_SET_ALL;
 			break;
 		case 'v':
-			if (opts & OPT_VERBOSE) fatal(msg, 'v');
+			if (opts & OPT_VERBOSE) fatal("-%c has already been set", 'v');
 			opts |= OPT_VERBOSE | OPT_LIST_CORES;
 			break;
 		case 'i':
-			if (opts & OPT_INVERT) fatal(msg, 'i');
+			if (opts & OPT_INVERT) fatal("-%c has already been set", 'i');
 			opts |= OPT_INVERT;
 			break;
 		case '?':

src/util/intdef.h

@@ -0,0 +1,20 @@
+// Copyright (c) 2025 Quinn
+// Licensed under the MIT Licence. See LICENSE for details
+#pragma once
+
+/* variable-width integer types */
+typedef unsigned int uint;         // ≥16 bit unsigned integer
+typedef unsigned long ulong;       // ≥32 bit unsigned integer
+typedef signed long long llong;    // ≥64 bit signed integer
+typedef unsigned long long ullong; // ≥64 bit unsigned integer
+
+/* fixed-width integer types */
+#include <stdint.h>
+typedef int8_t i8;
+typedef int16_t i16;
+typedef int32_t i32;
+typedef int64_t i64;
+typedef uint8_t u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;

src/util/macro.h

@@ -0,0 +1,9 @@
+// Copyright (c) 2025 Quinn
+// Licensed under the MIT Licence. See LICENSE for details
+#pragma once
+
+#define WIDTHOF(t)       (sizeof(t) * 8) // gets the bit width of a type
+#define MACRO_CAT(x, y)  x##y            // concatenate two macro variables together
+#define MACRO_CAT2(x, y) MACRO_CAT(x, y) // concatenate two macro variables together
+#define MACRO_STR(v)     #v              // for converting macro variable into a string
+#define MACRO_STR2(v)    MACRO_STR(v)    // for a recursive string generation