err_fun.c

#include "shell.h"

/**
 * _eputs - prints an input string
 * @str: the string to be printed
 *
 * Return: Nothing
 */

void _eputs(char *str)
{
	int i = 0;

	if (!str)
		return;
	while (str[i] != '\0')
	{
		_eputchar(str[i]);
		i++;
	}
}

/**
 * _eputchar - writes the character c to stderr
 * @c: The character to print
 *
 * Return: On success 1. On error, -1
 */

int _eputchar(char c)
{
	static int i;
	static char buf[BUF_SIZE];

	if (c == BUF_FLUSH || i >= BUF_SIZE)
	{
		write(STDERR_FILENO, buf, i);
		i = 0;
	}
	if (c != BUF_FLUSH)
		buf[i++] = c;
	return (1);
}

/**
 * _erratoi - converts a string to an integer
 * @s: the string to be converted
 * Return: 0 if no numbers in string, otherwise num or -1 on error
 */

int _erratoi(char *s)
{
	int i = 0;
	unsigned long int result = 0;

	if (*s == '+')
		s++;
	for (i = 0;  s[i] != '\0'; i++)
	{
		if (s[i] >= '0' && s[i] <= '9')
		{
			result *= 10;
			result += (s[i] - '0');
			if (result > INT_MAX)
				return (-1);
		}
		else
			return (-1);
	}
	return (result);
}

/**
 * print_error - prints an error message
 * @info: addr of info struct
 * @estr: error string
 * Return: void
 */

void print_error(info_t *info, char *estr)
{
	_eputs(info->fname);
	_eputs(": ");
	print_d(info->line_count, STDERR_FILENO);
	_eputs(": ");
	_eputs(info->argv[0]);
	_eputs(": ");
	_eputs(estr);
}