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
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_getline.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/03/07 15:12:59 by tmaze #+# #+# */
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/* Updated: 2019/03/19 17:30:24 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int get_last_ind(char *buff)
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{
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int i;
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i = 0;
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while (buff[i] && buff[i] != '\n')
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i++;
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return (i);
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}
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static int flush_buff(char **line, char *buff)
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{
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char *tmp;
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int i;
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i = get_last_ind(buff);
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if (*line == NULL)
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{
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if ((*line = ft_strndup(buff, i)) == NULL)
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return (-1);
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}
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else if (*line != NULL)
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{
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if ((tmp = ft_strnew(ft_strlen(*line) + i)) != NULL)
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{
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ft_strcpy(tmp, *line);
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ft_strncat(tmp, buff, i);
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ft_strdel(line);
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*line = tmp;
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}
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else
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{
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ft_strdel(line);
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return (-1);
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}
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}
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return (i);
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}
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static void init_getline(char **line, int *check, int *ret)
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{
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*line = NULL;
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*check = BUFF_SIZE;
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*ret = -2;
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}
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int ft_getline(char **line)
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{
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static char buff[BUFF_SIZE] = "\0";
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int check;
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int ret;
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int i;
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if (line == NULL || BUFF_SIZE < 1)
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return (-1);
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init_getline(line, &check, &ret);
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while (check == BUFF_SIZE)
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{
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if (buff[0] == '\0')
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{
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if ((ret = read(0, buff, BUFF_SIZE)) == -1)
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return (-1);
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if (ret == 0 && *line == NULL)
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return (0);
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}
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if ((i = flush_buff(line, buff)) == -1)
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return (-1);
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check = (buff[i] != '\n' && ret != 0) ? BUFF_SIZE : i;
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ft_memmove(buff, buff + i + 1, BUFF_SIZE - i);
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ft_memset(buff + BUFF_SIZE - i, '\0', i);
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}
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return (1);
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}
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