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readline: fix backspace

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Mathieu Maret 2021-11-06 00:23:45 +01:00
parent 69d4702696
commit 29017f7f7e
1 changed files with 1 additions and 0 deletions
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userspace/libc.c
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@ -539,6 +539,7 @@ int readline(char *buf, int size)
if(key == '\b' && i>=1){ if(key == '\b' && i>=1){
buf[i-1] = '\0'; buf[i-1] = '\0';
i-=2; i-=2;
continue;
} }
buf[i] = key; buf[i] = key;