88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* main.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jtorrez- <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/03/18 20:15:26 by jtorrez- #+# #+# */
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/* Updated: 2023/03/19 23:14:26 by tischmid ### ########.fr */
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/* */
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/* ************************************************************************** */
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void rush(int x, int y);
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int ft_atoi(char *str);
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void ft_putchar(char c);
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void ft_putstr(char *str);
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// Entry point of the program
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// Parses the program arguments and fails if the number of passed
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// arguments is not 2 or 0.
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// Also fails if the passed arguments are out of
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// bounds (0-200 for width, 0-100 for height).
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// argv[0] contains the path of the executable, eg ./rush00
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int main(int argc, char *argv[])
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{
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int width;
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int height;
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width = 10;
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height = 5;
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if (argc != 1 && argc != 3)
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{
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ft_putstr("Usage: ");
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ft_putstr(argv[0]);
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ft_putstr(" [WIDTH HEIGHT]\n");
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return (1);
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}
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if (argc == 3)
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{
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width = ft_atoi(argv[1]);
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height = ft_atoi(argv[2]);
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}
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if (width < 0 || width > 1000)
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ft_putstr("Width must be in the range of 0 to 1000\n");
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else if (height < 0 || height > 1000)
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ft_putstr("Height must be in the range of 0 to 1000\n");
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else
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rush(width, height);
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return (0);
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}
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// Convert a string to a non-zero integer
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int ft_atoi(char *str)
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{
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int i;
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int sign;
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int number;
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i = 0;
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number = 0;
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sign = 1;
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if (str[i] == '-')
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{
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sign = -1;
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++i;
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}
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i = 0;
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while (str[i] >= '0' && str[i] <= '9')
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{
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number = number * 10 + (str[i] - '0');
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i = i + 1;
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}
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return (sign * number);
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}
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// Display a null-terminated string on standard output.
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void ft_putstr(char *str)
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{
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int i;
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i = 0;
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while (str[i] != '\0')
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{
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ft_putchar(str[i]);
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i = i + 1;
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}
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}
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