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Added shortest-first stable sort

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Bruce Hill 2019-06-12 14:51:45 -07:00
parent 88ed75a56b
commit e37f199b87
1 changed files with 7 additions and 0 deletions
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7
ask.c
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@ -295,6 +295,11 @@ static char *get_input(FILE *in, FILE *out, const char *prompt, const char *init
return picked;
}
static int cmp_len(const void *a, const void *b)
{
return (int)(strlen(*(char**)a) - strlen(*(char**)b));
}
int main(int argc, char *argv[])
{
int yes = 0, no = 0;
@ -397,6 +402,8 @@ int main(int argc, char *argv[])
if (tcsetattr(fileno(tty_out), TCSAFLUSH, &bb_termios) == -1)
return 1;
// Prefer shorter matches, but otherwise keep original order (mergesort is stable)
mergesort(opts, (size_t)nopts, sizeof(char*), cmp_len);
char *output = get_input(tty_in, tty_out, prompt, query, nopts, opts);
fflush(tty_out);