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This commit is contained in:
vx-clutch
2025-10-22 19:22:43 -04:00
parent e684ef152d
commit 1f6130c7a5
16 changed files with 711 additions and 100 deletions
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122
lib/err.c
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@@ -1,40 +1,102 @@
/* Copyright (C) GCK
/*
* gcklib.err - Contains color printing functions
*
* This file is part of gcklib
* CONFIGURATION
* #define NOCOLOR
* Force no color when printing
*
* This project and file is licensed under the BSD-3-Clause license.
* <https://opensource.org/licenses/BSD-3-Clause>
*
* LICENSE: BSD-3-Clause
*
* Copyright (c) 2025 GCK
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "err.h"
#define RESET "\e[0m"
#define ERROR "\e[1;91m"
#define WARN "\e[1;95m"
#define NOTE "\e[1;94m"
#define HINT "\e[38;5;166m"
#include "proginfo.h"
static bool __check(void)
#define RESET "\x1B[0m"
#define ERROR "\x1B[1;91m"
#define WARN "\x1B[1;95m"
#define NOTE "\x1B[1;94m"
#define HINT "\x1B[38;5;166m"
static bool err_support_color(void)
{
static int done = 0;
static bool cached = false;
if (!done) {
const char *term = getenv("TERM");
cached = isatty(STDOUT_FILENO) && term != NULL &&
(strstr(term, "color") != NULL ||
strstr(term, "ansi") != NULL ||
strstr(term, "xterm") != NULL);
done = 1;
#ifdef NOCOLOR
return false;
#else
static int cached = -1;
if (cached != -1)
return cached;
const char *term, *colorterm, *force, *nocolor;
term = getenv("TERM");
colorterm = getenv("COLORTERM");
force = getenv("FORCE_COLOR");
nocolor = getenv("NO_COLOR");
if (nocolor && *nocolor && (!force || !*force)) {
cached = 0;
return false;
}
return cached;
if (force && *force && strcmp(force, "0") != 0) {
cached = 1;
return true;
}
// if (!isatty(fileno(stdout))) {
// cached = 0;
// return false;
// }
if (colorterm && *colorterm) {
cached = 1;
return true;
}
if (!term || !*term) {
cached = 0;
return false;
}
if (strstr(term, "color") || strstr(term, "xterm") ||
strstr(term, "screen") || strstr(term, "vt100") ||
strstr(term, "rxvt") || strstr(term, "ansi") ||
strstr(term, "linux") || strstr(term, "konsole") ||
strstr(term, "vte") || strstr(term, "kitty") ||
strstr(term, "wezterm") || strstr(term, "gnome")) {
cached = 1;
return true;
}
cached = 0;
return false;
#endif
}
void errorf(const char *format, ...)
@@ -42,7 +104,7 @@ void errorf(const char *format, ...)
va_list args;
va_start(args, format);
if (__check()) {
if (err_support_color()) {
fprintf(stderr, "%serror%s: ", ERROR, RESET);
} else {
fputs("error: ", stderr);
@@ -58,7 +120,7 @@ void fatalf(const char *format, ...)
va_list args;
va_start(args, format);
if (__check()) {
if (err_support_color()) {
fprintf(stderr, "%sfatal error%s: ", ERROR, RESET);
} else {
fputs("fatal error: ", stderr);
@@ -77,7 +139,7 @@ void warnf(const char *format, ...)
va_list args;
va_start(args, format);
if (__check()) {
if (err_support_color()) {
fprintf(stderr, "%swarning%s: ", WARN, RESET);
} else {
fputs("warning: ", stderr);
@@ -93,7 +155,7 @@ void notef(const char *format, ...)
va_list args;
va_start(args, format);
if (__check()) {
if (err_support_color()) {
fprintf(stderr, "%snote%s: ", NOTE, RESET);
} else {
fputs("note: ", stderr);
@@ -109,7 +171,7 @@ void hintf(const char *format, ...)
va_list args;
va_start(args, format);
if (__check()) {
if (err_support_color()) {
fprintf(stderr, "%shint: ", HINT);
} else {
fputs("hint: ", stderr);
@@ -117,7 +179,7 @@ void hintf(const char *format, ...)
vfprintf(stderr, format, args);
if (__check()) {
if (err_support_color()) {
fprintf(stderr, "%s\n", RESET);
} else {
fputc('\n', stderr);
@@ -150,3 +212,5 @@ void hintfa(int code)
{
hintf(strerror(code));
}
/* end of file err.c */