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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* b_alias.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include "d_define.h"
#include "s_struct.h"
#include "u_alias.h"
#include "u_utils.h"
static char
**b_alloc_buff(t_lalias *ptr, size_t i)
{
char **buff;
if ((buff = (char**)malloc((i + 1) * sizeof(char*))) == NULL)
return (NULL);
i = 0;
while (ptr != NULL)
{
buff[i + 1] = NULL;
if ((buff[i] = (char*)malloc((6 + ft_strlen(ptr->name) + 2
+ ft_strlen(ptr->val) + 3) * sizeof(char))) == NULL)
{
ft_delwords(buff);
return (NULL);
}
ptr = ptr->next;
i++;
}
return (buff);
}
static void
b_fill_buff(t_lalias *ptr, char *buff[])
{
size_t i;
i = 0;
while (ptr != NULL)
{
ft_sprintf(buff[i], "alias %s='%s'\n", ptr->name, ptr->val);
ptr = ptr->next;
i++;
}
}
static void
b_sort_buff(char *buff[])
{
size_t i;
int cmp;
char tmp[ARG_MAX];
i = 1;
while (buff[i] != NULL)
{
if ((cmp = ft_strncmp(buff[i - 1], buff[i], ARG_MAX)) > 0)
{
ft_strlcpy(tmp, buff[i - 1], ARG_MAX);
ft_memdel((void*)&buff[i - 1]);
if ((buff[i - 1] = ft_strdup(buff[i])) == NULL)
return ;
ft_memdel((void*)&buff[i]);
if ((buff[i] = ft_strdup(tmp)) == NULL)
return ;
i = 0;
}
i++;
}
}
static void
b_print_buff(char *buff[])
{
char **ptr;
ptr = buff;
while (*ptr != NULL)
{
ft_printf("%s", *ptr);
ptr++;
}
}
static void
b_print_alias_list(t_msh *msh)
{
t_lalias *ptr;
char **buff;
size_t i;
ptr = msh->alias;
i = 0;
while (ptr != NULL)
{
ptr = ptr->next;
i++;
}
ptr = msh->alias;
if ((buff = b_alloc_buff(ptr, i)) == NULL)
return ;
ptr = msh->alias;
b_fill_buff(ptr, buff);
b_sort_buff(buff);
b_print_buff(buff);
ft_delwords(buff);
}
static uint8_t
b_print_arg(const char arg[], t_msh *msh)
{
char *ptr;
char val[ARG_MAX];
t_bool invalid;
ptr = (char*)arg;
invalid = FALSE;
while (*ptr != C_NUL && *ptr != C_EQUALS)
{
if (ft_iswhitespace(*ptr) == TRUE)
invalid = TRUE;
ptr++;
}
if (*ptr == C_NUL)
{
if (u_get_alias_value(val, arg, ARG_MAX, msh) != 0)
{
ft_printf("alias %s='%s'", arg, val);
return (0);
}
else
{
ft_dprintf(STDERR_FILENO, "minishell: alias: %s: not found\n", arg);
return (1);
}
}
else if (*ptr == C_EQUALS && invalid == TRUE)
{
ft_strlcpy(val, arg, ptr - arg);
ft_dprintf(STDERR_FILENO,
"minishell: alias: `%s': invalid alias name\n",
val);
return (1);
}
return (0);
}
static void
b_register_arg(const char arg[], t_msh *msh)
{
char *ptr;
char name[255];
char value[ARG_MAX];
ptr = (char*)arg;
while (*ptr != C_NUL && *ptr != C_EQUALS)
{
ptr++;
}
if (*ptr == C_EQUALS)
{
ft_strlcpy(name, arg, (ptr - arg < 255) ? ((ptr - arg) + 1) : (255));
ptr += 1;
ft_strlcpy(value, ptr, ARG_MAX);
u_set_alias_value(name, value, msh);
}
}
uint8_t
b_alias(char *args[], t_msh *msh)
{
const uint64_t argc = u_builtins_get_argc((const char**)args);
int32_t i;
uint8_t ret;
ret = 0;
if (argc == 0)
{
b_print_alias_list(msh);
}
if (argc > 0)
{
i = 0;
while (args[i] != NULL)
{
if (b_print_arg(args[i], msh) != 0)
{
ret = 1;
}
i++;
}
}
return (ret);
}
void
b_alias_mute(char *args[], t_msh *msh)
{
const uint64_t argc = u_builtins_get_argc((const char**)args);
int32_t i;
if (argc > 0)
{
i = 0;
while (args[i] != NULL)
{
b_register_arg(args[i], msh);
i++;
}
}
}
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