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/* -*- c-file-style: "java"; indent-tabs-mode: nil; tab-width: 4; fill-column: 78 -*-
*
* Copyright (C) 2007 Lennart Poettering
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#include <config.h>
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "distcc.h"
#include "hosts.h"
#include "zeroconf.h"
#include "trace.h"
static char *strip_bad_chars(char *s) {
char *k;
for (k = s; *k; k++) {
if (*k >= 'a' && *k <= 'z')
continue;
if (*k >= '0' && *k <= '9')
continue;
if (*k >= 'A' && *k <= 'Z')
*k = tolower(*k);
else
*k = '-';
}
return s;
}
static char* read_string_from_popen(const char *cmdline, char *s, size_t nbytes) {
FILE *p = NULL;
char *ret = NULL;
errno = 0;
if (!(p = popen(cmdline, "r"))) {
rs_log_crit("Failed to read string from C compiler: %s\n", errno ? strerror(errno) : "failure");
goto fail;
}
if (!fgets(s, (int) nbytes, p)) {
rs_log_crit("Failed to read string from C compiler.\n");
goto fail;
}
s[nbytes-1] = 0;
s[strcspn(s, " \t\n\r")] = 0;
ret = s;
fail:
if (p)
pclose(p);
return ret;
}
char* dcc_get_gcc_version(char *s, size_t nbytes) {
return read_string_from_popen("cc -dumpversion", s, nbytes);
}
char* dcc_get_gcc_machine(char *s, size_t nbytes) {
return read_string_from_popen("cc -dumpmachine", s, nbytes);
}
char* dcc_make_dnssd_subtype(char *stype, size_t nbytes, const char *v, const char *m) {
char version[64], machine[64];
strncpy(version, v, sizeof(version)-1);
version[sizeof(version)-1] = 0;
strncpy(machine, m, sizeof(machine)-1);
machine[sizeof(machine)-1] = 0;
strip_bad_chars(version);
strip_bad_chars(machine);
snprintf(stype, nbytes, "_%s--%s._sub." DCC_DNS_SERVICE_TYPE, machine, version);
stype[nbytes-1] = 0;
return stype;
}
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