152 lines
2.3 KiB
C
152 lines
2.3 KiB
C
/* Copyright (C) GCK
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*
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* This file is part of gcklib
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*
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* This project and file is licensed under the BSD-3-Clause license.
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* <https://opensource.org/licenses/BSD-3-Clause>
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "err.h"
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#define RESET "\e[0m"
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#define ERROR "\e[1;91m"
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#define WARN "\e[1;95m"
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#define NOTE "\e[1;94m"
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#define HINT "\e[38;5;166m"
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static bool __check(void)
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{
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static int done = 0;
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static bool cached = false;
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if (!done) {
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const char *term = getenv("TERM");
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cached = isatty(STDOUT_FILENO) && term != NULL &&
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(strstr(term, "color") != NULL ||
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strstr(term, "ansi") != NULL ||
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strstr(term, "xterm") != NULL);
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done = 1;
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}
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return cached;
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}
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void errorf(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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if (__check()) {
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fprintf(stderr, "%serror%s: ", ERROR, RESET);
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} else {
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fputs("error: ", stderr);
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}
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vfprintf(stderr, format, args);
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fputc('\n', stderr);
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va_end(args);
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}
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void fatalf(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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if (__check()) {
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fprintf(stderr, "%sfatal%s: ", ERROR, RESET);
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} else {
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fputs("fatal: ", stderr);
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}
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vfprintf(stderr, format, args);
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fputc('\n', stderr);
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va_end(args);
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exit(EXIT_FAILURE);
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}
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void warnf(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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if (__check()) {
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fprintf(stderr, "%swarning%s: ", WARN, RESET);
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} else {
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fputs("warning: ", stderr);
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}
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vfprintf(stderr, format, args);
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fputc('\n', stderr);
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va_end(args);
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}
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void notef(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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if (__check()) {
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fprintf(stderr, "%snote%s: ", NOTE, RESET);
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} else {
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fputs("note: ", stderr);
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}
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vfprintf(stderr, format, args);
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fputc('\n', stderr);
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va_end(args);
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}
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void hintf(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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if (__check()) {
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fprintf(stderr, "%shint: ", HINT);
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} else {
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fputs("hint: ", stderr);
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}
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vfprintf(stderr, format, args);
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if (__check()) {
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fprintf(stderr, "%s\n", RESET);
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} else {
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fputc('\n', stderr);
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}
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va_end(args);
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}
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void errorfa(int code)
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{
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errorf(strerror(code));
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}
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void fatalfa(int code)
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{
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fatalf(strerror(code));
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}
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void notefa(int code)
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{
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notef(strerror(code));
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}
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void warnfa(int code)
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{
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warnf(strerror(code));
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}
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void hintfa(int code)
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{
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hintf(strerror(code));
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}
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