122 lines
1.7 KiB
C
122 lines
1.7 KiB
C
#include "main.h"
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/**
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* _strlen - Returns the lenght of a string.
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* @s: Type char pointer
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* Return: c.
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*/
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int _strlen(char *s)
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{
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int c;
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for (c = 0; s[c] != 0; c++)
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;
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return (c);
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}
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/**
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* _strlenc - Strlen function on char pointer s
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* @s: Type char pointer
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* Return: c
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*/
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int _strlenc(const char *s)
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{
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int c;
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for (c = 0; s[c] != 0; c++)
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;
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return (c);
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}
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/**
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* printf_string - print a string.
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* @val: argumen t.
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* Return: the length of the string.
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*/
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int printf_string(va_list val)
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{
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char *s;
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int i, len;
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s = va_arg(val, char *);
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if (s == NULL)
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{
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s = "(null)";
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len = _strlen(s);
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for (i = 0; i < len; i++)
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_putchar(s[i]);
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return (len);
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}
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else
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{
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len = _strlen(s);
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for (i = 0; i < len; i++)
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_putchar(s[i]);
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return (len);
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}
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}
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/**
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* printf_unsigned - prints integer
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* @args: argument to print
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* Return: number of characters printed
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*/
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int printf_unsigned(va_list args)
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{
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unsigned int n = va_arg(args, unsigned int);
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int num, last = n % 10, digit, exp = 1;
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int i = 1;
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n = n / 10;
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num = n;
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if (last < 0)
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{
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_putchar('-');
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num = -num;
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n = -n;
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last = -last;
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i++;
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}
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if (num > 0)
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{
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while (num / 10 != 0)
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{
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exp = exp * 10;
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num = num / 10;
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}
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num = n;
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while (exp > 0)
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{
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digit = num / exp;
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_putchar(digit + '0');
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num = num - (digit * exp);
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exp = exp / 10;
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i++;
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}
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}
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_putchar(last + '0');
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return (i);
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}
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/**
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* printf_srev - function that prints a str in reverse
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* @args: type struct va_arg where is allocated printf arguments
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* Return: the string
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*/
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int printf_srev(va_list args)
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{
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char *s = va_arg(args, char*);
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int i;
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int j = 0;
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if (s == NULL)
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s = "(null)";
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while (s[j] != '\0')
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j++;
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for (i = j - 1; i >= 0; i--)
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_putchar(s[i]);
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return (j);
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}
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