Don't return NULL on 0 length input
A 0 length string is still a valid input and should be treated as such, a NULL return should be reserved for when errors occur during line editing or EOF is reached.
Merges
@@ -979,11 +979,11 @@ char *linenoise(const char *prompt) {
} else {
count = linenoiseDumb(buf, LINENOISE_MAX_LINE, prompt);
}
- if (count > 0) {
+ if (count >= 0) {
sanitize(buf);
count = strlen(buf);
}
- if (count <= 0) {
+ if (count < 0) {
free(buf);
return NULL;
}
