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!569 shell命令行输入增加回退支持 

Merge pull request !569 from 方烨/master
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openharmony_ci 2022-02-10 11:56:34 +00:00 committed by Gitee
parent 968c00f049 d986648e9c
commit b534083056
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GPG Key ID: 173E9B9CA92EEF8F
1 changed files with 5 additions and 0 deletions
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5
components/shell/src/base/shmsg.c Executable file → Normal file
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@ -216,6 +216,11 @@ VOID ShellTaskEntry(VOID)
ptr = buf;
break;
}
if (*ptr == '\b' && ptr != buf) { /* support backspace */
PRINTK("\b \b");
ptr--;
break;
}
if (!VISIABLE_CHAR(*ptr)) {
break;
}