user: reorganize the userland sources

1 files changed, 0 insertions, 171 deletions

diff --git a/src/init/shell.c b/src/init/shell.c
deleted file mode 100644
index a4e96f9..0000000
--- a/src/init/shell.c
+++ /dev/null
@@ -1,171 +0,0 @@
-#include <init/shell.h>
-#include <init/stdlib.h>
-#include <init/tests/main.h>
-#include <shared/syscalls.h>
-#include <stdbool.h>
-
-static char *split(char *base) {
-	while (*base) {
-		if (*base == ' ' || *base == '\t') {
-			*base++ = '\0';
-			return base;
-		}
-		base++;
-	}
-	return NULL;
-}
-
-static int readline(char *buf, size_t max) {
-	char c;
-	size_t pos = 0;
-	while (file_read(stdin, &c, 1)) {
-		switch (c) {
-			case '\b':
-			case 0x7f:
-				/* for some reason backspace outputs 0x7f (DEL) */
-				if (pos != 0) {
-					printf("\b \b");
-					pos--;
-				}
-				break;
-			case '\n':
-			case '\r':
-				printf("\n");
-				buf[pos++] = '\0';
-				return pos;
-			default:
-				if (pos < max) {
-					printf("%c", c);
-					buf[pos] = c;
-					pos++;
-				}
-		}
-	}
-	return -1; // error
-}
-
-static void cmd_cat_ls(const char *args, bool ls) {
-	libc_file *file;
-	static char buf[512];
-	int len; // first used for strlen(args), then length of buffer
-
-	if (!args) args = "/";
-	len = strlen(args);
-	memcpy(buf, args, len + 1); // no overflow check - the shell is just a PoC
-
-	if (ls) { // paths to directories always have a trailing slash
-		char *p = buf;
-		while (*p) p++;
-		if (p[-1] != '/') {
-			p[0] = '/';
-			p[1] = '\0';
-			len++;
-		}
-	}
-
-	file = file_open(buf, 0);
-	if (!file) {
-		printf("couldn't open.\n");
-		return;
-	}
-
-	while (!file->eof) {
-		int len = file_read(file, buf, sizeof buf);
-		if (len <= 0) break;
-
-		if (ls) {
-			for (int i = 0; i < len; i++)
-				if (buf[i] == '\0') buf[i] = '\n';
-		}
-		file_write(stdout, buf, len);
-	}
-	file_close(file);
-}
-
-static void cmd_hexdump(const char *args) {
-	static uint8_t buf[512];
-	int fd, len;
-
-	fd = _syscall_open(args, strlen(args), 0);
-	if (fd < 0) {
-		printf("couldn't open.\n");
-		return;
-	}
-
-	len = _syscall_read(fd, buf, sizeof buf, 0);
-	for (int i = 0; i < len; i += 16) {
-		printf("%08x  ", i);
-
-		for (int j = i; j < i + 8 && j < len; j++)
-			printf("%02x ", buf[j]);
-		printf(" ");
-		for (int j = i + 8; j < i + 16 && j < len; j++)
-			printf("%02x ", buf[j]);
-		printf(" |");
-
-		for (int j = i; j < i + 16 && j < len; j++) {
-			char c = '.';
-			if (0x20 <= buf[j] && buf[j] < 0x7f) c = buf[j];
-			printf("%c", c);
-		}
-		printf("|\n");
-	}
-
-	_syscall_close(fd);
-}
-
-static void cmd_touch(const char *args) {
-	int fd = _syscall_open(args, strlen(args), OPEN_CREATE);
-	if (fd < 0) {
-		printf("couldn't create file.\n");
-		return;
-	}
-	_syscall_close(fd);
-}
-
-void shell_loop(void) {
-	static char cmd[256];
-	int level = 0;
-	char *args;
-
-	for (;;) {
-		printf("%x$ ", level);
-		readline(cmd, 256);
-		args = split(cmd);
-		if (!strcmp(cmd, "echo")) {
-			printf("%s\n", args);
-		} else if (!strcmp(cmd, "cat")) {
-			cmd_cat_ls(args, false);
-		} else if (!strcmp(cmd, "ls")) {
-			cmd_cat_ls(args, true);
-		} else if (!strcmp(cmd, "hexdump")) {
-			cmd_hexdump(args);
-		} else if (!strcmp(cmd, "catall")) {
-			const char *files[] = {
-				"/init/fake.txt",
-				"/init/1.txt", "/init/2.txt",
-				"/init/dir/3.txt", NULL};
-			for (int i = 0; files[i]; i++) {
-				printf("%s:\n", files[i]);
-				cmd_cat_ls(files[i], false);
-				printf("\n");
-			}
-		} else if (!strcmp(cmd, "touch")) {
-			cmd_touch(args);
-		} else if (!strcmp(cmd, "shadow")) {
-			_syscall_mount(-1, args, strlen(args));
-		} else if (!strcmp(cmd, "exit")) {
-			_syscall_exit(0);
-		} else if (!strcmp(cmd, "fork")) {
-			if (_syscall_fork(0, NULL))
-				_syscall_await();
-			else level++;
-		} else if (!strcmp(cmd, "run_tests")) {
-			test_all();
-		} else if (!strcmp(cmd, "stress")) {
-			stress_all();
-		} else {
-			printf("unknown command :(\n");
-		}
-	}
-}