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rework error.h, to decrease impact on binary size.

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We were statically creating a new string per log message, so re-using
the same message would cause duplicate byte sizes.
Now, all prefixes / suffixes are only defined once, the file name is
defined once per file, the line number should be defined once per unique
line.
This just saves some memory in the final binary, allowing things to be
optimised a little better.
This commit is contained in:
Quinn
2025-09-05 15:17:53 +02:00
parent d933931829
commit 2cfae0fce4
2 changed files with 63 additions and 11 deletions
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51
src/error.c Normal file
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@@ -0,0 +1,51 @@
#include "error.h"
#include <stdarg.h>
#include <stdio.h>
#include "util/intdef.h"
static void error_log(FILE *restrict stream, const char *restrict pfx, uint ln, const char *restrict file, const char *restrict fmt, va_list ap) {
fprintf(stream, "(%s:%u) [%s] '", file, ln, pfx);
vfprintf(stream, fmt, ap);
fprintf(stream, "'\n");
}
void error_dbg(uint ln, const char *restrict file, const char *restrict fmt, ...) {
va_list ap;
va_start(ap, fmt);
error_log(stdout, "\033[95mDBG\033[0m", ln, file, fmt, ap);
va_end(ap);
}
void error_inf(uint ln, const char *restrict file, const char *restrict fmt, ...) {
va_list ap;
va_start(ap, fmt);
error_log(stdout, "\033[93mINF\033[0m", ln, file, fmt, ap);
va_end(ap);
}
void error_war(uint ln, const char *restrict file, const char *restrict fmt, ...) {
va_list ap;
va_start(ap, fmt);
error_log(stdout, "\033[91mWAR\033[0m", ln, file, fmt, ap);
va_end(ap);
}
void error_err(uint ln, const char *restrict file, const char *restrict fmt, ...) {
va_list ap;
va_start(ap, fmt);
error_log(stdout, "\033[mFAT\033[0m", ln, file, fmt, ap);
va_end(ap);
}
void error_fat(uint ln, const char *restrict file, const char *restrict fmt, ...) {
va_list ap;
va_start(ap, fmt);
error_log(stdout, "\033[mFAT\033[0m", ln, file, fmt, ap);
va_end(ap);
exit(EXIT_FAILURE);
}

23
src/error.h
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@@ -2,20 +2,21 @@
* Licensed under the MIT Licence. See LICENSE for details */
#pragma once
#if __INCLUDE_LEVEL__ > 0
#include <stdio.h>
#include <stdlib.h>
#include "util/atrb.h"
#include "util/intdef.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__)
void error_dbg(uint ln, const char *restrict file, const char *restrict fmt, ...);
void error_inf(uint ln, const char *restrict file, const char *restrict fmt, ...);
void error_war(uint ln, const char *restrict file, const char *restrict fmt, ...);
void error_err(uint ln, const char *restrict file, const char *restrict fmt, ...);
void error_fat(uint ln, const char *restrict file, const char *restrict fmt, ...) NORET;
#define fatal(s, ...) \
do { \
fprintf(stderr, "\033[101m" __FILE__ ":" MACRO_STR2(__LINE__) ": [FAT]: " s "\033[0m\n", ##__VA_ARGS__); \
exit(EXIT_FAILURE); \
} while (0)
#define debug(s, ...) error_dbg(__LINE__, __FILE__, s, ##__VA_ARGS__)
#define info(s, ...) error_inf(__LINE__, __FILE__, s, ##__VA_ARGS__)
#define warn(s, ...) error_war(__LINE__, __FILE__, s, ##__VA_ARGS__)
#define error(s, ...) error_err(__LINE__, __FILE__, s, ##__VA_ARGS__)
#define fatal(s, ...) error_fat(__LINE__, __FILE__, s, ##__VA_ARGS__)