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区分 ls、ll 指令

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This commit is contained in:
KAAAsS 2022-04-20 22:39:20 +08:00
parent 752d175228
commit b51087922a
Signed by: KAAAsS
GPG Key ID: D22F53AF662411FE
1 changed files with 20 additions and 12 deletions
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12
lab5/user/lab5/apps/init.c
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@ -218,7 +218,7 @@ int fs_read_all(char *path, void **ret_buf)
return size; return size;
} }
int do_ls(char *cmdline) int do_ls(char *cmdline, bool detail)
{ {
char pathbuf[BUFLEN]; char pathbuf[BUFLEN];
char fpathbuf[BUFLEN]; char fpathbuf[BUFLEN];
@ -240,6 +240,7 @@ int do_ls(char *cmdline)
for (int i = 0; i < ret; i++) { for (int i = 0; i < ret; i++) {
dirat = (struct dirent *) print_ptr; dirat = (struct dirent *) print_ptr;
if (detail) {
// 文件类型 // 文件类型
char type = 'f'; char type = 'f';
if (dirat->d_type == 2) { if (dirat->d_type == 2) {
@ -251,6 +252,9 @@ int do_ls(char *cmdline)
int size = fs_get_size(fpathbuf); int size = fs_get_size(fpathbuf);
// 输出 // 输出
printf("%c %10d %s\n", type, size, dirat->d_name); printf("%c %10d %s\n", type, size, dirat->d_name);
} else {
printf("%s\n", dirat->d_name);
}
print_ptr += dirat->d_reclen; print_ptr += dirat->d_reclen;
} }
} else { } else {
@ -318,7 +322,11 @@ int builtin_cmd(char *cmdline)
return !ret ? 1 : -1; return !ret ? 1 : -1;
} }
if (!strcmp(cmd, "ls")) { if (!strcmp(cmd, "ls")) {
ret = do_ls(cmdline); ret = do_ls(cmdline, false);
return !ret ? 1 : -1;
}
if (!strcmp(cmd, "ll")) {
ret = do_ls(cmdline, true);
return !ret ? 1 : -1; return !ret ? 1 : -1;
} }
if (!strcmp(cmd, "echo")) { if (!strcmp(cmd, "echo")) {