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Code Issues Releases Wiki Activity

🐛 解决cd到相对路径后，新路径字符串拼接错误的问题

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This commit is contained in:
fslongjin 2022-07-06 00:39:18 +08:00
parent c4f90f4883
commit 52b5c2731d
2 changed files with 7 additions and 6 deletions
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7
user/apps/shell/cmd.c
View File

@ -181,7 +181,7 @@ int shell_cmd_cd(int argc, char **argv)
goto fail;
; // 出错则直接忽略
}
else
else // ======进入相对路径=====
{
int dest_offset = 0;
if (dest_len > 2)
@ -191,7 +191,7 @@ int shell_cmd_cd(int argc, char **argv)
}
int new_len = current_dir_len + dest_len - dest_offset;
// ======进入相对路径=====
if (new_len >= SHELL_CWD_MAX_SIZE - 1)
{
printf("ERROR: Path too long!\n");
@ -210,7 +210,8 @@ int shell_cmd_cd(int argc, char **argv)
if (chdir(new_path) == 0) // 成功切换目录
{
free(shell_current_path);
new_path[new_len] = '\0';
// printf("new_path=%s, newlen= %d\n", new_path, new_len);
new_path[new_len+1] = '\0';
shell_current_path = new_path;
goto done;
}

6
user/apps/shell/shell.c
View File

@ -73,9 +73,9 @@ int main()
int kb_fd = open(kb_file_path, 0);
// printf("keyboard fd = %d\n", kb_fd);
print_ascii_logo();
printf("before mkdir\n");
mkdir("/aaac", 0);
printf("after mkdir\n");
// printf("before mkdir\n");
// mkdir("/aaac", 0);
// printf("after mkdir\n");
main_loop(kb_fd);
while (1)
;