diff options
Diffstat (limited to 'src/b_h.c')
| -rw-r--r-- | src/b_h.c | 41 |
1 files changed, 29 insertions, 12 deletions
@@ -46,34 +46,48 @@ static uint64_t b_get_total_hist(t_msh *msh) return (total); } -static void b_print_history(uint64_t asked, uint64_t total, t_msh *msh) +static uint32_t b_print_prev_history(uint64_t asked, uint64_t total, t_msh *msh) { - char *hist; - char *tok; - uint32_t i; + char *hist; + char *tok; + int64_t to_print; + int64_t i; - (void)total; - (void)asked; + to_print = (total - asked < 0) ? (0) : (total - asked); i = 1; - if (msh->hist != NULL) + if (msh->prev_hist != NULL) { if ((hist = ft_strdup(msh->prev_hist)) == NULL) - return ; + return (i); tok = ft_strtok(hist, "\n"); while (tok != NULL) { - ft_printf("%5u %s\n", i, tok); + if (i > to_print) + ft_printf("%5lu %s\n", i, tok); i++; tok = ft_strtok(NULL, "\n"); } ft_memdel((void*)&hist); } + return (i); +} + +static void b_print_history(uint64_t asked, uint64_t total, t_msh *msh) +{ + char *hist; + char *tok; + int64_t to_print; + int64_t i; + + to_print = (total - asked < 0) ? (0) : (total - asked); + i = b_print_prev_history(asked, total, msh); if ((hist = ft_strdup(msh->curr_hist)) == NULL) return ; tok = ft_strtok(hist, "\n"); while (tok != NULL) { - ft_printf("%5u %s\n", i, tok); + if (i > to_print) + ft_printf("%5lu %s\n", i, tok); i++; tok = ft_strtok(NULL, "\n"); } @@ -108,13 +122,16 @@ uint8_t b_h(char *args[], t_msh *msh) if (argc == 1 && b_check_numeric(*args) == FALSE) { ft_dprintf(STDERR_FILENO, - "minishell: history: %s: numeric argument required", + "minishell: history: %s: numeric argument required\n", *args); return (1); } else { - b_print_history(ft_atoi(*args), b_get_total_hist(msh), msh); + if (argc == 1) + b_print_history(ft_atoi(*args), b_get_total_hist(msh), msh); + else + b_print_history(0, 0, msh); } return (0); } |