diff options
Diffstat (limited to 'src/user')
| -rw-r--r-- | src/user/sh.cc | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/user/sh.cc b/src/user/sh.cc index 287d2be..1f2e950 100644 --- a/src/user/sh.cc +++ b/src/user/sh.cc @@ -383,12 +383,21 @@ int main() while (getcmd(buf, sizeof(buf)) >= 0) { - if (buf[0] == 'c' && buf[1] == 'd' && buf[2] == ' ') + if (buf[0] == 'c' && buf[1] == 'd' && (buf[2] == ' ' || buf[2] == '\n' || buf[2] == 0)) { - buf[strlen(buf) - 1] = 0; // chop \n - if (chdir(buf + 3) < 0) + if (buf[strlen(buf) - 1] == '\n') + buf[strlen(buf) - 1] = 0; + + char *path = buf + 3; + if (buf[2] == '\n' || buf[2] == 0) + { + printf("cd: argument missing\n"); + continue; + } + + if (chdir(path) < 0) { - printf("cannot cd %s\n", buf + 3); + printf("cannot cd %s\n", path); } continue; } |