write_handlers.c

#include "main.h"

/**
 * handle_write_char - Prints a string
 * @c: char types.
 * @buffer: Buffer array to handle print
 * @flags: Calculates active flags.
 * @width: get width.
 * @precision: precision specifier
 * @size: Size specifier
 *
 * Return: Number of chars printed.
 */

int handle_write_char(char c, char buffer[],
int flags, int width, int precision, int size)
{
	/* char is stored at left and padding at buffer's right */
	char padd = ' ';
	int a = 0;

	UNUSED(precision);
	UNUSED(size);
	if (flags & F_ZERO)
		padd = '0';
	buffer[a++] = c;
	buffer[a] = '\0';
	if (width > 1)
	{
		buffer[BUFF_SIZE - 1] = '\0';
		for (a = 0; a < width - 1; a++)
			buffer[BUFF_SIZE - a - 2] = padd;
		if (flags & F_MINUS)
			return (write(1, &buffer[0], 1) +
			write(1, &buffer[BUFF_SIZE - a - 1], width - 1));
		else
			return (write(1, &buffer[BUFF_SIZE - a - 1], width - 1) +
			write(1, &buffer[0], 1));
	}
	return (write(1, &buffer[0], 1));
}

/**
 * write_number - Prints a string
 * @is_negative: Arguments lisiting
 * @ind: char types.
 * @buffer: print handling buffer array
 * @flags: Active flags calculator
 * @width: This gets the width
 * @precision: This specifies precision
 * @size: This specifies size
 *
 * Return: Number of chars printed.
 */

int write_number(int is_negative, int ind, char buffer[],
int flags, int width, int precision, int size)
{
	int length = BUFF_SIZE - ind - 1;
	char padd = ' ', extra_ch = 0;

	UNUSED(size);
	if ((flags & F_ZERO) && !(flags & F_MINUS))
		padd = '0';
	if (is_negative)
		extra_ch = '-';
	else if (flags & F_PLUS)
		extra_ch = '+';
	else if (flags & F_SPACE)
		extra_ch = ' ';
	return (write_num(ind, buffer, flags, width, precision,
				length, padd, extra_ch));
}

/**
 * write_num - The function writes num using buffer
 * @ind: Index at which the num begins on the buffer
 * @buffer: Buffer
 * @flags: Flags
 * @width: width
 * @prec: Precision specifier variable
 * @length: Number length variable
 * @padd: Pading char variable
 * @extra_c: Extra char variable
 *
 * Return: Number of printed chars.
 */
int write_num(int ind, char buffer[], int flags,
int width, int prec, int length, char padd, char extra_c)
{
	int i, padd_start = 1;

	if (prec == 0 && ind == BUFF_SIZE - 2 && buffer[ind] == '0' && width == 0)
		return (0); /* printf(".0d", 0) no char is printed */
	if (prec == 0 && ind == BUFF_SIZE - 2 && buffer[ind] == '0')
		buffer[ind] = padd = ' '; /* width is displayed with padding '' */
	if (prec > 0 && prec < length)
		padd = ' ';
	while (prec > length)
		buffer[--ind] = '0', length++;
	if (extra_c != 0)
		length++;
	if (width > length)
	{
		for (i = 1; i < width - length + 1; i++)
			buffer[i] = padd;
		buffer[i] = '\0';
		if (flags & F_MINUS && padd == ' ')
		{
			if (extra_c)
				buffer[--ind] = extra_c;
			return (write(1, &buffer[ind], length) + write(1,
			&buffer[1], i - 1)); /* Extra char to left of buff */
		} else if (!(flags & F_MINUS) && padd == ' ')
		{
			if (extra_c)
				buffer[--ind] = extra_c;
			return (write(1, &buffer[1], i - 1) + write(1,
			&buffer[ind], length)); /* Extrachar to left of padd */
		} else if (!(flags & F_MINUS) && padd == '0')
		{
			if (extra_c)
				buffer[--padd_start] = extra_c;
			return (write(1, &buffer[padd_start], i - padd_start) +
			write(1, &buffer[ind], length - (1 - padd_start)));
		}
	}
	if (extra_c)
		buffer[--ind] = extra_c;
	return (write(1, &buffer[ind], length));
}

/**
 * write_unsgnd - prints an unsigned number
 * @is_negative: Num indicating if the num is negative
 * @ind: An index at which the number starts in the buffer
 * @buffer: An array of chars
 * @flags: Flags specifiers variable
 * @width: Width specifier variable
 * @precision: Precision specifier variable
 * @size: Size specifier variable
 *
 * Return: Number of written chars.
 */

int write_unsgnd(int is_negative, int ind,
char buffer[], int flags, int width, int precision, int size)
{
	/* Num is stored at the bufer's right & starts at pos i */
	int length = BUFF_SIZE - ind - 1, i = 0;
	char padd = ' ';

	UNUSED(is_negative);
	UNUSED(size);
	if (precision == 0 && ind == BUFF_SIZE - 2 && buffer[ind] == '0')
		return (0);
	if (precision > 0 && precision < length)
		padd = ' ';
	while (precision > length)
	{
		buffer[--ind] = '0';
		length++;
	}
	if ((flags & F_ZERO) && !(flags & F_MINUS))
		padd = '0';
	if (width > length)
	{
		for (i = 0; i < width - length; i++)
			buffer[i] = padd;
		buffer[i] = '\0';
		if (flags & F_MINUS) /* Asign extra char to left of buffer padding */
		{
			return (write(1, &buffer[ind], length) + write(1,
			&buffer[0], i));
		}
		else /* Asign extra char to left of padding [padd>buffer]*/
		{
			return (write(1, &buffer[0], i) + write(1, &buffer[ind],
			length));
		}
	}
	return (write(1, &buffer[ind], length));
}

/**
 * write_pointer - Writes a memory address
 * @buffer: Arrays of chars
 * @ind: Index at which the number starts in the buffer
 * @length: Length of number
 * @width: Wwidth specifier
 * @flags: Flags specifier
 * @padd: Char representing the padding
 * @extra_c: Char representing extra char
 * @padd_start: Index at which padding should start
 *
 * Return: Num of written chars.
 */

int write_pointer(char buffer[], int ind, int length,
int width, int flags, char padd, char extra_c, int padd_start)
{
	int i;

	if (width > length)
	{
		for (i = 3; i < width - length + 3; i++)
			buffer[i] = padd;
		buffer[i] = '\0';
		if (flags & F_MINUS && padd == ' ')
		{
			buffer[--ind] = 'x';
			buffer[--ind] = '0';
			if (extra_c)
				buffer[--ind] = extra_c;
			return (write(1, &buffer[ind], length) + write(1,
			&buffer[3], i - 3));
		}
		else if (!(flags & F_MINUS) && padd == ' ')
		{
			buffer[--ind] = 'x';
			buffer[--ind] = '0';
			if (extra_c)
				buffer[--ind] = extra_c;
			return (write(1, &buffer[3], i - 3) + write(1,
						&buffer[ind], length));
		}
		else if (!(flags & F_MINUS) && padd == '0')
		{
			if (extra_c)
				buffer[--padd_start] = extra_c;
			buffer[1] = '0';
			buffer[2] = 'x';
			return (write(1, &buffer[padd_start], i - padd_start) +
			write(1, &buffer[ind], length - (1 - padd_start) - 2));
		}
	}
	buffer[--ind] = 'x';
	buffer[--ind] = '0';
	if (extra_c)
		buffer[--ind] = extra_c;
	return (write(1, &buffer[ind], BUFF_SIZE - ind - 1));
}