18d430c5cb
+ last_exit_status set/get functions for here_doc + TODO : replace all occurences of last_exit_status + **environ fix + builtin_unset() fix
164 lines
3.0 KiB
C
164 lines
3.0 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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# define COL_GREEN "\001\e[0;32m\002"
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# define COL_BROWN "\001\e[0;33m\002"
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# define COL_PURPL "\001\e[0;35m\002"
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# define _END "\001\e[0m\002"
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size_t ft_strlen(const char *s);
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char *ft_strdup(const char *s);
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size_t ft_2d_arrlen(void *ptr);
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void *ft_dup_2d_arr(void *ptr, void *(*dup_func)(void *));
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void print_matrix(char **matrix, char *sep);
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void *ft_resize_2d_arr(void *ptr, size_t add_nbr);
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typedef void *(*t_dup_f)(void *);
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int main(int argc, char *argv[], char *envp[])
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{
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extern char **environ;
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int env_len;
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char *print;
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char *env_var;
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(void)argc;
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(void)argv;
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print = COL_GREEN"\n[original <environ>] :\n"_END;
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write(1, print, strlen(print));
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env_len = ft_2d_arrlen(environ);
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printf("\nenviron_len: %i\nenviron :\n", env_len);
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print_matrix(environ, "\n");
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print = COL_GREEN"\n[getenv] :\n"_END;
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write(1, print, strlen(print));
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env_var = getenv("TESTT");
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if (env_var)
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write(1, COL_PURPL"FOUND\n"_END, 21);
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else
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write(1, COL_PURPL"NOT FOUND\n"_END, 25);
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print = COL_BROWN"\n[resize <environ>]...\n"_END;
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write(1, print, strlen(print));
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environ = ft_resize_2d_arr(environ, 1);
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print = COL_BROWN"\n[add to <environ>]...\n"_END;
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write(1, print, strlen(print));
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environ[env_len] = "TESTT=testt";
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print = COL_GREEN"\n[modified <environ>] :\n"_END;
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write(1, print, strlen(print));
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env_len = ft_2d_arrlen(environ);
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printf("\nenviron_len: %i\nenviron :\n", env_len);
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print_matrix(environ, "\n");
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print = COL_GREEN"\n[getenv] :\n"_END;
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write(1, print, strlen(print));
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env_var = getenv("TESTT");
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if (env_var)
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write(1, COL_PURPL"FOUND\n"_END, 21);
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else
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write(1, COL_PURPL"NOT FOUND\n"_END, 25);
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printf("\n%s\n", env_var);
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return (0);
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}
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void *ft_resize_2d_arr(void *ptr, size_t add_nbr)
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{
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unsigned int i;
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char **arr;
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char **new_arr;
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new_arr = malloc((ft_2d_arrlen(ptr) + add_nbr + 1) * sizeof (void *));
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arr = (char **)ptr;
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i = 0;
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while (arr[i])
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{
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new_arr[i] = arr[i];
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i++;
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}
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// free(arr);
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return (new_arr);
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}
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void print_matrix(char **matrix, char *sep)
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{
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int i;
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i = 0;
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while (matrix[i])
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{
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printf("%s", matrix[i]);
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if (matrix[i + 1])
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printf("%s", sep);
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fflush(stdout);
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i++;
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}
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write(1, "\n", 1);
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}
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size_t ft_strlen(const char *s)
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{
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size_t len;
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len = 0;
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while (s[len] != '\0')
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len++;
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return (len);
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}
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char *ft_strdup(const char *s)
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{
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unsigned int i;
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char *dup;
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dup = malloc(ft_strlen(s) + 1);
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if (!dup)
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return (NULL);
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i = 0;
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while (s[i])
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{
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dup[i] = s[i];
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i++;
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}
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dup[i] = '\0';
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return (dup);
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}
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size_t ft_2d_arrlen(void *ptr) // Replace ft_arrlen()
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{
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size_t len;
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char **arr;
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arr = (char **)ptr;
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len = 0;
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while (arr[len] != NULL)
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len++;
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return (len);
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}
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void *ft_dup_2d_arr(void *ptr, void *(*dup_func)(void *))
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{
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unsigned int i;
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char **arr;
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char **new_arr;
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new_arr = malloc((ft_2d_arrlen(ptr) + 1) * sizeof (void *));
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if (!new_arr)
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return (NULL);
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arr = (char **)ptr;
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i = 0;
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while (arr[i])
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{
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new_arr[i] = dup_func(arr[i]);
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i++;
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}
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new_arr[i] = NULL;
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return (new_arr);
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}
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