101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
#include <stdio.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 <fcntl.h>
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#include <ctype.h>
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#define UNUSED(x) ((void) (x))
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#define ALLOCATION_CHUNK (10UL)
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enum {
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NORMAL, BOLD, DARKNESS, ITALIC,
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UNDERLINE, BLINK, DUNNO_6, REVERSE,
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INVISIBLE
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};
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enum {
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GREY, RED, GREEN, YELLOW,
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BLUE, PINK, CYAN, WHITE,
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CANCEL
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};
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static char * buffer = NULL;
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static size_t buffer_size = 0;
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static void render_character(char * character) {
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write(STDOUT_FILENO, character, sizeof (*character));
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}
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static void render_string(char * string) {
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write(STDOUT_FILENO, string, strlen(string));
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}
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static void render_colour(int colour,
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int effect) {
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char format[8] = "\033[ ;3 m";
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format[2] = (char) (effect % 9) + '0';
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format[5] = (char) (colour % 8) + '0';
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render_string(format);
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}
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static void render_cancel(void) {
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render_string("\033[0m");
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}
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static int is_separator(char character) {
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if (( isascii(character))
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&& (!isalnum(character))
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&& (character != '_')) {
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return 1;
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} else {
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return 0;
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}
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}
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static int compare_multiple_strings(char * string,
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const char * * strings,
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const int count) {
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int i = 0;
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do {
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if (!strcmp(string, strings[i])) {
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return 1;
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}
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} while (++i != count);
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return 0;
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}
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int main(int argc,
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char * * argv) {
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UNUSED(argc);
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UNUSED(argv);
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buffer = realloc(buffer, ALLOCATION_CHUNK);
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do {
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if (!((buffer_size + 1) % ALLOCATION_CHUNK)) {
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// Linear incremental reallocation (advanced)!
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size_t chunks = (buffer_size + 1) / ALLOCATION_CHUNK;
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buffer = realloc(buffer, ++chunks * ALLOCATION_CHUNK);
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}
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buffer[buffer_size] = '\0';
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read(STDIN_FILENO, &buffer[buffer_size], sizeof (*buffer));
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++buffer_size;
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} while (buffer[buffer_size - 1]);
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buffer[buffer_size - 1] = '\0';
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render_colour(RED, BOLD);
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render_string(buffer);
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render_cancel();
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free (buffer);
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return 0;
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}
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