2a2f5bd4d3
* Restart from scratch
branched out on dev
removed all previous source files
started test on new env2lst function
* norm: splitted functions in main into appropriate file
Moved lstdelenvelem & env2lst to ms_env.c
Normed out files
* Feat(WIP): Added possibility to cmd_env to execute commands with
altered env.
Added dummy function for cd, echo, setenv & unsetenv
Started work on env copy feature
* feature: switched env from ft_list to specific list
* feature: added execution of commands from path
* feature: added env, setenv & unsetenv builtins
added -i option & command execution to env
added setenv & unsetenv builtins
* Clean-up: normed out files
* Changed comportment on error for check_path functions
* feature: added completion for ~ and ${}
WIP leaks detected on ${} completion
* fix leak on ext need test
* feature: added echo cmd
changed printf ref to ft_printf
* feature: add cd built-in
* Simple norm-out
* moved env functions to libft
* fixed out-of-memory access in extension
* Resolved infinite loop in extension revolving
WIP norming in cd
* Normedout cmd_cd.c
* Normed out functions in cmd_cd
* Normed out funtions
sorting out needed
* removed -fsanitize from Makefile
* corrected env -i crash & SHLVL
* Delete norm.txt
* added put_error_cd2 in put_error_cd.c
* added inline environment
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_realpath.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/01/27 14:42:35 by tmaze #+# #+# */
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/* Updated: 2019/01/29 18:16:22 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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char *ft_tabtopath(char **tab_path)
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{
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size_t total_size;
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size_t i;
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char *ret;
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i = 0;
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total_size = 0;
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while (tab_path[i])
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total_size += ft_strlen(tab_path[i++]);
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total_size = (total_size == 0) ? 1 : total_size;
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if ((ret = ft_strnew(total_size + i)) == NULL)
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return (NULL);
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i = 0;
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ft_strcat(ret, "/");
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while (tab_path[i])
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{
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if (i > 0)
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ft_strcat(ret, "/");
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ft_strcat(ret, tab_path[i++]);
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}
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return (ret);
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}
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void ft_reducepath(char ***tab)
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{
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size_t i;
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size_t j;
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int strcmp;
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i = 0;
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while ((*tab)[i])
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{
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if ((strcmp = ft_strcmp((*tab)[i], "..")) == 0
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|| ft_strcmp((*tab)[i], ".") == 0)
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{
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ft_strdel(&((*tab)[i]));
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if ((j = i) == i && strcmp == 0 && i != 0)
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ft_strdel(&((*tab)[i - 1]));
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while ((*tab)[++j])
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(*tab)[j - ((strcmp == 0 && i != 0) ? 2 : 1)] = (*tab)[j];
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if (strcmp == 0 && i != 0)
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(*tab)[j - 2] = NULL;
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(*tab)[j - 1] = NULL;
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if (strcmp == 0 && i != 0)
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i--;
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}
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else
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i++;
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}
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}
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char *ft_realpath(char *r_path, char **a_path)
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{
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char **tab_path;
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if ((tab_path = ft_strsplit(r_path, '/')) == NULL)
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return (NULL);
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ft_reducepath(&tab_path);
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*a_path = ft_tabtopath(tab_path);
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ft_del_words_tables(&tab_path);
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return (*a_path);
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}
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