diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-09-16 13:47:33 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-09-16 13:47:33 +0200 |
| commit | ed41dd5b288d95dc11ff87e97bade9859bde6c07 (patch) | |
| tree | 915869ec3cbfc608711981a3e6b3e7d0ae5f0ab1 /sys/src/boot/efi | |
| parent | 4080322dc9196fc29164ba6c9da8b7cb3dc7a60b (diff) | |
9boot: don't let user erase the prompt (thanks mischief)
Diffstat (limited to 'sys/src/boot/efi')
| -rw-r--r-- | sys/src/boot/efi/sub.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/src/boot/efi/sub.c b/sys/src/boot/efi/sub.c index c4ab44512..1359b199c 100644 --- a/sys/src/boot/efi/sub.c +++ b/sys/src/boot/efi/sub.c @@ -110,13 +110,15 @@ readline(void *f, char buf[64]) if(f == nil){ while((*p = getc()) == 0) ; + if(p == buf && (*p == '\b' || strchr(white, *p) != nil)) + continue; putc(*p); if(*p == '\r') putc('\n'); - else if(*p == '\b' && p > buf){ + else if(*p == '\b'){ + p--; putc(' '); putc('\b'); - p--; continue; } }else if(read(f, p, 1) <= 0) |