static void
call_diff_setup (const char *prog, int argc, char * const *argv)
{
int i;
/* clean out any malloc'ed values from call_diff_argv */
run_arg_free_p (call_diff_argc, call_diff_argv);
call_diff_argc = 0;
/* put each word into call_diff_argv, allocating it as we go */
call_diff_add_arg (prog);
for (i = 0; i < argc; i++)
call_diff_add_arg (argv[i]);
}
/* VARARGS */
void
run_setup (const char *prog)
{
char *run_prog;
char *buf, *d, *s;
size_t length;
size_t doff;
char inquotes;
int dolastarg;
/* clean out any malloc'ed values from run_argv */
run_arg_free_p (run_argc, run_argv);
run_argc = 0;
run_prog = xstrdup (prog);
s = run_prog;
d = buf = NULL;
length = 0;
dolastarg = 1;
inquotes = '\0';
doff = d - buf;
expand_string(&buf, &length, doff + 1);
d = buf + doff;
while ((*d = *s++) != '\0')
{
switch (*d)
{
case '\\':
if (*s) *d = *s++;
d++;
break;
case '"':
case '\'':
if (inquotes == *d) inquotes = '\0';
else inquotes = *d;
break;
case ' ':
case '\t':
if (inquotes) d++;
else
{
*d = '\0';
run_add_arg (buf);
d = buf;
while (isspace(*s)) s++;
if (!*s) dolastarg = 0;
}
break;
default:
d++;
break;
}
doff = d - buf;
expand_string(&buf, &length, doff + 1);
d = buf + doff;
}
if (dolastarg) run_add_arg (buf);
/* put each word into run_argv, allocating it as we go */
if (buf) free (buf);
free (run_prog);
}
