diff options
Diffstat (limited to '')
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | src/b_h.c | 63 | ||||
| -rw-r--r-- | src/b_h.h | 22 | ||||
| -rw-r--r-- | src/d_define.h | 5 | ||||
| -rw-r--r-- | src/d_enum.h | 1 | ||||
| -rw-r--r-- | src/s_struct.h | 1 |
6 files changed, 91 insertions, 3 deletions
@@ -1,4 +1,4 @@ -default: all +default: msan #==============================================================================# #--------------------------------- SHELL --------------------------------------# #==============================================================================# diff --git a/src/b_h.c b/src/b_h.c new file mode 100644 index 0000000..c669fa6 --- /dev/null +++ b/src/b_h.c @@ -0,0 +1,63 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* b_h.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 <unistd.h> + +#include "d_define.h" +#include "s_struct.h" +#include "u_utils.h" + +static void b_print_history_number(const char arg[]) +{ + (void)arg; +} + +static t_bool b_check_numeric(const char arg[]) +{ + char *ptr; + + ptr = arg; + while (*ptr != C_NUL) + { + if (ft_isdigit(*ptr) == FALSE) + { + return (FALSE); + } + ptr++; + } + return (TRUE); +} + +uint8_t b_h(char *args[], t_msh *msh) +{ + const uint64_t argc = u_builtins_get_argc((const char **)args); + + if (argc > 1) + { + f_fail_too_many_args("h", msh); + return (127); + } + if (argc == 1 && b_check_numeric(*args) == FALSE) + { + ft_dprintf(STDERR_FILENO, + "minishell: history: %s: numeric argument required", + *args); + return (1); + } + else + { + b_print_history(*args); + } + return (0); +} diff --git a/src/b_h.h b/src/b_h.h new file mode 100644 index 0000000..30a78fd --- /dev/null +++ b/src/b_h.h @@ -0,0 +1,22 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* b_h.h :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* 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 */ +/* */ +/* ************************************************************************** */ + +#ifndef B_H_H +#define B_H_H + +#include <stdint.h> + +#include "s_struct.h" + +uint8_t b_h(char *args[], t_msh *msh); + +#endif diff --git a/src/d_define.h b/src/d_define.h index f5dd32e..674a141 100644 --- a/src/d_define.h +++ b/src/d_define.h @@ -19,8 +19,8 @@ ** ====== CLASSICS ====== */ -#define M_BUILTINS_REF "echo:cd:pwd:export:unset:env:exit:type:[:alias" -#define M_BUILTINS_REF_LEN 48 +#define M_BUILTINS_REF "echo:cd:pwd:export:unset:env:exit:type:[:alias:h" +#define M_BUILTINS_REF_LEN 49 /* ** ====== PSX ====== @@ -76,6 +76,7 @@ #define C_DOLLAR 0x24 #define C_SQUOTE 0x27 #define C_AMP 0x26 +#define C_PLUS 0x2b #define C_SEMIC 0x3b #define C_EQUALS 0x3d #define C_BACKS 0x5c diff --git a/src/d_enum.h b/src/d_enum.h index 69d34c9..636598d 100644 --- a/src/d_enum.h +++ b/src/d_enum.h @@ -51,6 +51,7 @@ enum FT_ID_TYPE, FT_ID_SQB, FT_ID_ALIAS, + FT_ID_H, FT_BUILTINS_COUNT }; diff --git a/src/s_struct.h b/src/s_struct.h index 871b0f4..31313bf 100644 --- a/src/s_struct.h +++ b/src/s_struct.h @@ -81,6 +81,7 @@ typedef struct s_msh struct s_lvars *vars; struct s_lalias *alias; char **envp; + char **prev_hist; char ps[4][1024]; char env_fork_tmp[128][4096]; char sqb_ref[FT_ID_SQB_COUNT][4]; |