_getmp.c

#include "main.h"
#include <stdarg.h>

/**
 * get_flags - Calculates active flags
 * @format: Formatted string in which to print the arguments
 * @i: take a parameter.
 * Return: Flags:
 */
int get_flags(const char *format, int *i)
{
	/* - + 0 # ' ' */
	/* 1 2 4 8  16 */
	int j, curr_i;
	int flag;
	const char flags_chr[] = {'-', '+', '0', '#', ' ', '\0'};
	const int flags_int[] = {1, 2, 4, 8, 16, 0};

	for (curr_i = *i + 1; format[curr_i]; curr_i++)
	{
		for (j = 0; flags_chr[j]; j++)
			if (format[curr_i] == flags_chr[j])
			{
				flag = flags_int[j];
				break;
			}

		if (!flags_chr[j])
		{
			flag = 0;
			break;
		}
	}

	*i = curr_i - 1;

	return (flag);
}

/**
 * get_precision - Calculates the precision for printing
 * @format: Formatted string in which to print the arguments
 * @i: List of arguments to be printed.
 * @list: list of arguments.
 *
 * Return: Precision.
 */
int get_precision(const char *format, int *i, va_list list)
{
	int curr_i = *i + 1;
	int precision = -1;

	if (format[curr_i] != '.')
		return (precision);

	precision = 0;

	for (curr_i += 1; format[curr_i]; curr_i++)
	{
		if (is_digit(format[curr_i]))
		{
			precision = (precision * 10) + (format[curr_i] - '0');
		}
		else if (format[curr_i] == '*')
		{
			curr_i++;
			precision = va_arg(list, int);
			break;
		}
		else
			break;
	}

	*i = curr_i - 1;

	return (precision);
}

/**
 * get_size - Calculates the size to cast the argument
 * @format: Formatted string in which to print the arguments
 * @i: List of arguments to be printed.
 *
 * Return: Precision.
 */
int get_size(const char *format, int *i)
{
	int curr_i = *i + 1;
	int size = 0;

	if (format[curr_i] == 'l')
		size = 2;
	else if (format[curr_i] == 'h')
		size = 1;

	if (size == 0)
		*i = curr_i - 1;
	else
		*i = curr_i;

	return (size);
}

/**
 * get_width - Calculates the width for printing
 * @format: Formatted string in which to print the arguments.
 * @i: List of arguments to be printed.
 * @list: list of arguments.
 *
 * Return: width.
 */
int get_width(const char *format, int *i, va_list list)
{
	int curr_i;
	int width = 0;

	for (curr_i = *i + 1; format[curr_i] != '\0'; curr_i++)
	{
		if (is_digit(format[curr_i]))
		{
			width = (width * 10) + (format[curr_i] - '0');
		}
		else if (format[curr_i] == '*')
		{
			curr_i++;
			width = va_arg(list, int);
			break;
		}
		else
			break;
	}

	*i = curr_i - 1;

	return (width);
}