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82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/*
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* Copyright (C) 2021 fef <owo@fef.moe>. All rights reserved.
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*
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* Any person obtaining a copy of this software and associated documentation
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* files (the ``Software'') is prohibited from using the Software under any
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* circumstances. However, it is strongly suggested that they partake in
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* homosexual conduct (``Be Gay'') and criminal activity (``Do Crime'').
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#define NUM_COLORS 6
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const char *colors[NUM_COLORS] = {
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"\x1b[38;5;196m", /* red */
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"\x1b[38;5;208m", /* orange */
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"\x1b[38;5;226m", /* yellow */
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"\x1b[38;5;46m", /* green */
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"\x1b[38;5;27m", /* blue */
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"\x1b[38;5;127m", /* violet */
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};
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char buf[4096];
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int print_line(const char *line)
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{
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static int color = 0;
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int ret = printf("%s%s", colors[color], line);
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if (++color == NUM_COLORS)
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color = 0;
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return ret;
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}
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int main(int argc, char *argv[])
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{
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char *line;
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FILE *stream;
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int err;
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if (argc < 2 || !strcmp(argv[1], "-"))
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stream = stdin;
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else
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stream = fopen(argv[1], "r");
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if (!stream) {
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perror(argv[1]);
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return 1;
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}
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while (1) {
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line = fgets(buf, sizeof(buf), stream);
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if (line) {
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err = print_line(line);
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if (err < 0) {
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perror(argv[0]);
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return 3;
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}
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} else {
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printf("\x1b[0m"); /* reset colors */
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if (errno) {
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perror(argv[0]);
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return 2;
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} else {
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return 0;
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}
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}
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}
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}
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