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Code Issues Releases Activity

don't SIGBUS when deleting at end of line

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This commit is contained in:
Mathias Stearn 2011-04-12 12:25:55 -04:00
parent 9d87406196
commit c68392bfe8
1 changed files with 6 additions and 4 deletions
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10
third_party/linenoise/linenoise.cpp vendored
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@ -480,10 +480,12 @@ static int linenoisePrompt(int fd, char *buf, size_t buflen, const char *prompt)
errno = EAGAIN;
return -1;
case 127: /* delete */
memmove(buf+pos,buf+pos+1,len-pos-1);
len--;
buf[len] = '\0';
refreshLine(fd,prompt,buf,len,pos,cols);
if (len > 0 && pos < len) {
memmove(buf+pos,buf+pos+1,len-pos-1);
len--;
buf[len] = '\0';
refreshLine(fd,prompt,buf,len,pos,cols);
}
break;
case 8: /* backspace or ctrl-h */
if (pos > 0 && len > 0) {