From 65966ded0cc15c5966c6568cf0ff2f2bbe1fc29a Mon Sep 17 00:00:00 2001 From: Stefan Zabka Date: Sun, 24 May 2020 12:09:46 +0200 Subject: Big remodelling --- 02_exercise/shell.c | 76 ----------------------------------------------------- 1 file changed, 76 deletions(-) delete mode 100644 02_exercise/shell.c (limited to '02_exercise/shell.c') diff --git a/02_exercise/shell.c b/02_exercise/shell.c deleted file mode 100644 index f456465..0000000 --- a/02_exercise/shell.c +++ /dev/null @@ -1,76 +0,0 @@ -#include -#include -#include -#include -#include - -#include "array.h" -#include "process.h" -#include "prompt_utils.h" - - -int main(void) { - chdir("."); - setvbuf(stdout, NULL, _IONBF, 0); - - char const *const original_wd = get_current_dir_name(); - char const *prompt = relative_path(original_wd, original_wd); - bool done = false; - while (!done) { - char *line = NULL; - size_t cap = 0; - __ssize_t length = 0; - - printf("%s > ", prompt); - if ((length = getline(&line, &cap, stdin)) < 0) { - fprintf(stderr, "Failed to read from STDIN"); - exit(-1); - } - - if (strspn(line, " \n\t") == strlen(line)) { - continue; - } - - line[length - 1] = '\0'; // cut the line feed - - Process * processes = NULL; - parse_line(line, &processes); - - if (strcmp(processes[0].argv[0], "cd") == 0) { - - if(arrayLen(processes) != 1) { - perror("Can't chain cd with other processes"); - } - if (arrayLen(processes[0].argv) != 3) { - fprintf(stderr, "usage: cd "); - goto clean; - } - - int ret = chdir(processes[0].argv[1]); - if (ret) - printf("[%i] ", ret); - - free((void *)prompt); - char const *current_wd = get_current_dir_name(); - prompt = relative_path(original_wd, current_wd); - free((void *)current_wd); - } else if (strcmp(processes[0].argv[0], "exit") == 0) { - done = true; - } else { - int ret; - for (size_t i = 0; i < arrayLen(processes); ++i) { - ret = exec_command(processes[i]); - if (ret) - printf("[%i] ", ret); - } - - } - - clean: - free((void *)line); - free_processes(&processes); - } - - free((void *)original_wd); - free((void *)prompt); -} -- cgit v1.2.3-54-g00ecf