str.c

/*
** str.c for lemin in /home/franck_r/rendu/lemin
**
** Made by Romain Franck
** Login   <franck_r@epitech.net>
**
** Started on  Tue Mar 25 12:28:20 2014 Romain Franck
** Last update Fri May  2 14:48:10 2014 root
*/

#include <stdlib.h>

int		my_strlen_no_troll(const char *s_ptr)
{
  size_t	i;

  i ^= i;
  if (s_ptr == NULL)
    return (0);
  while (s_ptr[i])
    i++;
  return (i);
}

char	*my_strdup_no_troll(char *src)
{
  char	*str;
  int	i;

  i = 0;
  if (!src ||
      (str = malloc(sizeof(char) * (my_strlen_no_troll(src) + 1))) == NULL)
    return (NULL);
  while (src[i])
    {
      str[i] = src[i];
      i++;
    }
  str[i] = 0;
  return (str);
}

int	my_strcmp_no_troll(char *s1, char *s2)
{
  char	*s1_ptr;
  char	*s2_ptr;

  s1_ptr = s1;
  s2_ptr = s2;
  while (!(*s1_ptr - *s2_ptr) && *s1_ptr && *s2_ptr)
    {
      s1_ptr++;
      s2_ptr++;
    }
  return (*s1_ptr - *s2_ptr);
}

int	my_strncmp(const char *s1, const char *s2, int n)
{
  int	i;
  int	value;

  if (!n)
    return (0);
  i ^= i;
  value ^= value;
  while (i < n && !value && s1[i] && s2[i])
    {
      value = s1[i] ^ s2[i];
      i++;
    }
  return (s1[i] - s2[i]);
}

int	my_strcmp(char *a, char *b)
{
  return (*a == *b ? *a ? my_strcmp(a + 1, b + 1) : 1 : 0);
}

int	my_strlen(char *s, int i)
{
  return (*(s + i) && *(s + i) != '-' && *(s + i) != 10 && *(s + i) != 32
	  ? 1 + my_strlen(s + 1, i) : 1);
}

char	*my_strdup(char *s, int i)
{
  char	*r;
  int	a;

  a = 0;
  if ((r = malloc(my_strlen(s, i))) == NULL)
    return (NULL);
  while (s[i + a] && s[a + i] != '-' && s[i + a] != 10 && s[i + a] != 32)
    {
      r[a] = s[i + a];
      a++;
    }
  r[a] = 0;
  return (r);
}