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tok_tools.c
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tok_tools.c
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#include "headers.h"
/**
* find_length - calculate the lenght of command line
*@s: char pointer
* Return: length of pointer
*/
unsigned int find_length(char *s)
{
unsigned int count_tok = 0, i = 0, flag = 0;
while (s[i] != '\0')
{
if (s[i] != ' ')
flag = 1;
if ((flag && s[i + 1] == ' ') || (flag && s[i + 1] == '\0'))
{
++count_tok;
flag = 0;
}
++i;
}
return (count_tok);
}
/**
* s_tok - separate line in tokens
* @str: command line
* Return: char
*/
char **s_tok(char *str)
{
char separator[] = " \t\n\r";
char **command, *tok;
unsigned int len, i;
str[_strlen(str) - 1] = '\0';
len = find_length(str);
if (len == 0)
return ('\0');
command = malloc((sizeof(char *) * (len + 1)));
if (command == NULL)
return ('\0');
i = 0;
tok = strtok(str, separator);
while (tok != NULL)
{
command[i] = malloc(_strlen(tok) + 1);
if (command[i] == NULL)
{
_free_double_pointer(command);
return ('\0');
}
_strncpy(command[i], tok, _strlen(tok) + 1);
tok = strtok(NULL, separator);
++i;
}
command[i] = NULL;
return (command);
}