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bugfix: 修复shell中，用户可以删除多余的字符的bug，以及\b会被录入到参数字符串的bug

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This commit is contained in:
fslongjin
2022-05-25 23:18:30 +08:00
parent 37669ebf87
commit 156c2c2389
2 changed files with 25 additions and 6 deletions
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14
user/apps/shell/cmd.c
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@ -141,11 +141,19 @@ int shell_cmd_cd(int argc, char **argv)
return 0;
}
else
goto fail;; // 出错则直接忽略
goto fail;
; // 出错则直接忽略
}
else
{
int new_len = current_dir_len + dest_len;
int dest_offset = 0;
if (dest_len > 2)
{
if (argv[1][0] == '.' && argv[1][1] == '/') // 相对路径
dest_offset = 2;
}
int new_len = current_dir_len + dest_len - dest_offset;
// ======进入相对路径=====
if (new_len >= SHELL_CWD_MAX_SIZE - 1)
{
@ -160,7 +168,7 @@ int shell_cmd_cd(int argc, char **argv)
if (current_dir_len > 1)
new_path[current_dir_len] = '/';
strcat(new_path, argv[1]);
strcat(new_path, argv[1] + dest_offset);
if (chdir(new_path) == 0) // 成功切换目录
{