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Handle negative numbers for error message

This commit is contained in:
Timo Schmidt 2023-03-19 19:08:22 +01:00
parent 830f860e02
commit 4053efeaef
1 changed files with 17 additions and 10 deletions
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27
ex00/main.c
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@ -6,7 +6,7 @@
/* By: jtorrez- <marvin@42.fr> +#+ +:+ +#+ */ /* By: jtorrez- <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2023/03/18 20:15:26 by jtorrez- #+# #+# */ /* Created: 2023/03/18 20:15:26 by jtorrez- #+# #+# */
/* Updated: 2023/03/19 18:18:18 by tischmid ### ########.fr */ /* Updated: 2023/03/19 19:07:32 by tischmid ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
@ -19,15 +19,15 @@ void ft_putstr(char *str);
// Parses the program arguments and fails if the number of passed // Parses the program arguments and fails if the number of passed
// arguments is not 2 or 0. // arguments is not 2 or 0.
// Also fails if the passed arguments are out of // Also fails if the passed arguments are out of
// bounds (200 for width, 100 for height). // bounds (0-200 for width, 0-100 for height).
// argv[0] contains the path of the executable, eg ./rush00 // argv[0] contains the path of the executable, eg ./rush00
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int width; int width;
int height; int height;
width = 5; width = 10;
height = 3; height = 5;
if (argc != 1 && argc != 3) if (argc != 1 && argc != 3)
{ {
ft_putstr("Usage: "); ft_putstr("Usage: ");
@ -40,26 +40,33 @@ int main(int argc, char *argv[])
width = ft_atoi(argv[1]); width = ft_atoi(argv[1]);
height = ft_atoi(argv[2]); height = ft_atoi(argv[2]);
} }
if (width >= 200) if (width < 0 || width > 200)
ft_putstr("Width must be less than 200\n"); ft_putstr("Width must be in the range of 0 to 200\n");
else if (height >= 100) else if (height < 0 || height > 100)
ft_putstr("Height must be less than 100\n"); ft_putstr("Height must be in the range of 0 to 100\n");
else else
rush(width, height); rush(width, height);
return (0); return (0);
} }
// Convert a string to an integer // Convert a string to a non-zero integer
int ft_atoi(char *str) int ft_atoi(char *str)
{ {
int i; int i;
int sign;
int number; int number;
i = 0; i = 0;
number = 0; number = 0;
sign = 1;
if (str[i] == '-')
{
sign = -1;
++i;
}
while (str[i] >= '0' && str[i] <= '9') while (str[i] >= '0' && str[i] <= '9')
number = number * 10 + (str[i++] - '0'); number = number * 10 + (str[i++] - '0');
return (number); return (sign * number);
} }
// Display a null-terminated string on standard output. // Display a null-terminated string on standard output.