git: Merge of initial BI-GIT commit and already existing BI-PA-1 commits

README.md

@@ -0,0 +1,5 @@
+# PA1 Repository
+
+This repository contains solutions to assignments for the PA1 course.
+
+Each assignment must be located in its own subdirectory. Please follow the instructions at: https://courses.fit.cvut.cz/BI-GIT/pa1.html

exercise-03-rgb/main.c

@@ -1,90 +0,0 @@
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-
-#ifdef __PROGTEST__
-#define debug(...) ((void)0)
-#else
-#define debug(fmt, ...) fprintf(stdout, "[DEBUG %s:%d %s()] " fmt "\n", __FILE__, __LINE__, __func__, ##__VA_ARGS__)
-#endif
-
-bool is_numeric(const char* str) {
-	if(*str == '\0') return false;
-
-	for(;*str; str++) {
-		if(!isdigit(*str))
-			return false;
-	}
-	return true;
-}
-
-int invalid_input() {
-	printf("Nespravny vstup.\n");
-	return EXIT_FAILURE;
-}
-
-int main() {
-	char* input = NULL;
-	size_t len;
-
-	int rgb[3];
-
-	printf("Zadejte barvu v RGB formatu:\n");
-
-	ssize_t chars_read = getline(&input, &len, stdin);
-
-	if(chars_read == -1) {
-		printf("Failed to read from stdin\n");
-		return EXIT_FAILURE;
-	}
-
-	char* dst = input;
-	for(char * src = input; *src; src++) {
-		if(!isspace(*src)) {
-			*dst++ = *src;
-		}
-	}
-	*dst = '\0';
-
-	int trimmed_len = strlen(input);
-	if(strncmp(input, "rgb(", 4) != 0 || input[trimmed_len - 1] != ')') {
-		debug("%s not in rgb(xxx) format", input);
-		return invalid_input();
-	}
-
-	input[trimmed_len - 1] = '\0';
-	char* slice = input + 4;
-
-	char* token = strtok(slice, ",");
-
-	for(int i = 0; i < 3; i++) {
-		if(token == NULL) {
-			debug("Too few numbers");
-			return invalid_input();
-		}
-		if(!is_numeric(token)) {
-			debug("%s is not a number", token);
-			return invalid_input();
-		}
-
-		int parsed = atoi(token);
-
-		if(parsed < 0 || parsed > 255) {
-			debug("%d out of RGB range", parsed);
-			return invalid_input();
-		}
-
-		rgb[i] = parsed;
-		token = strtok(NULL, ",");
-	}
-
-	if(token != NULL) {
-		debug("Too many numbers");
-		return invalid_input();
-	}
-
-	printf("#%02X%02X%02X\n", rgb[0], rgb[1], rgb[2]);
-	return EXIT_SUCCESS;
-}