mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
|
main ()
|
||
|
{
|
||
|
char line[1024], *t;
|
||
|
int len, done = 0;
|
||
|
|
||
|
line[0] = 0;
|
||
|
|
||
|
using_history ();
|
||
|
while (!done)
|
||
|
{
|
||
|
printf ("history$ ");
|
||
|
fflush (stdout);
|
||
|
t = fgets (line, sizeof (line) - 1, stdin);
|
||
|
if (t && *t)
|
||
|
{
|
||
|
len = strlen (t);
|
||
|
if (t[len - 1] == '\n')
|
||
|
t[len - 1] = '\0';
|
||
|
}
|
||
|
|
||
|
if (!t)
|
||
|
strcpy (line, "quit");
|
||
|
|
||
|
if (line[0])
|
||
|
{
|
||
|
char *expansion;
|
||
|
int result;
|
||
|
|
||
|
using_history ();
|
||
|
|
||
|
result = history_expand (line, &expansion);
|
||
|
if (result)
|
||
|
fprintf (stderr, "%s\n", expansion);
|
||
|
|
||
|
if (result < 0 || result == 2)
|
||
|
{
|
||
|
free (expansion);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
add_history (expansion);
|
||
|
strncpy (line, expansion, sizeof (line) - 1);
|
||
|
free (expansion);
|
||
|
}
|
||
|
|
||
|
if (strcmp (line, "quit") == 0)
|
||
|
done = 1;
|
||
|
else if (strcmp (line, "save") == 0)
|
||
|
write_history ("history_file");
|
||
|
else if (strcmp (line, "read") == 0)
|
||
|
read_history ("history_file");
|
||
|
else if (strcmp (line, "list") == 0)
|
||
|
{
|
||
|
register HIST_ENTRY **the_list;
|
||
|
register int i;
|
||
|
|
||
|
the_list = history_list ();
|
||
|
if (the_list)
|
||
|
for (i = 0; the_list[i]; i++)
|
||
|
printf ("%d: %s\n", i + history_base, the_list[i]->line);
|
||
|
}
|
||
|
else if (strncmp (line, "delete", 6) == 0)
|
||
|
{
|
||
|
int which;
|
||
|
if ((sscanf (line + 6, "%d", &which)) == 1)
|
||
|
{
|
||
|
HIST_ENTRY *entry = remove_history (which);
|
||
|
if (!entry)
|
||
|
fprintf (stderr, "No such entry %d\n", which);
|
||
|
else
|
||
|
{
|
||
|
free (entry->line);
|
||
|
free (entry);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
fprintf (stderr, "non-numeric arg given to `delete'\n");
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|