2014-01-10 23:36:16 +00:00
|
|
|
/*
|
|
|
|
* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
|
2016-09-09 16:28:40 +01:00
|
|
|
* Copyright (C) 2014-2016 Emil Velikov <emil.l.velikov@gmail.com>
|
|
|
|
* Copyright (C) 2016 Intel Corporation
|
2014-01-10 23:36:16 +00:00
|
|
|
*
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
|
|
* to deal in the Software without restriction, including without limitation
|
|
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* The above copyright notice and this permission notice (including the next
|
|
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
|
|
* Software.
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
|
* SOFTWARE.
|
|
|
|
*
|
|
|
|
* Authors:
|
|
|
|
* Rob Clark <robclark@freedesktop.org>
|
|
|
|
*/
|
|
|
|
|
2015-06-23 22:47:05 +01:00
|
|
|
#include <errno.h>
|
|
|
|
#include <fcntl.h>
|
2015-03-11 19:12:35 +00:00
|
|
|
#include <sys/stat.h>
|
2014-01-10 23:36:16 +00:00
|
|
|
#include <stdarg.h>
|
|
|
|
#include <stdio.h>
|
2016-09-07 18:30:48 +01:00
|
|
|
#include <stdbool.h>
|
2014-01-10 23:36:16 +00:00
|
|
|
#include <string.h>
|
2017-02-07 07:43:09 +00:00
|
|
|
#include <unistd.h>
|
|
|
|
#include <stdlib.h>
|
2016-07-21 19:46:23 +01:00
|
|
|
#ifdef MAJOR_IN_MKDEV
|
|
|
|
#include <sys/mkdev.h>
|
|
|
|
#endif
|
|
|
|
#ifdef MAJOR_IN_SYSMACROS
|
|
|
|
#include <sys/sysmacros.h>
|
2014-05-22 04:07:42 +01:00
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
#include "loader.h"
|
|
|
|
|
2015-07-07 15:42:15 +01:00
|
|
|
#ifdef HAVE_LIBDRM
|
2014-01-10 23:36:16 +00:00
|
|
|
#include <xf86drm.h>
|
2016-09-07 18:30:48 +01:00
|
|
|
#ifdef USE_DRICONF
|
|
|
|
#include "xmlconfig.h"
|
|
|
|
#include "xmlpool.h"
|
|
|
|
#endif
|
2014-01-19 03:09:03 +00:00
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
|
|
|
|
#define __IS_LOADER
|
2014-03-17 18:42:12 +00:00
|
|
|
#include "pci_id_driver_map.h"
|
2014-01-10 23:36:16 +00:00
|
|
|
|
|
|
|
static void default_logger(int level, const char *fmt, ...)
|
|
|
|
{
|
2014-01-28 01:20:45 +00:00
|
|
|
if (level <= _LOADER_WARNING) {
|
2014-01-10 23:36:16 +00:00
|
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
|
|
vfprintf(stderr, fmt, args);
|
|
|
|
va_end(args);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-01-20 13:57:12 +00:00
|
|
|
static void (*log_)(int level, const char *fmt, ...) = default_logger;
|
2014-01-10 23:36:16 +00:00
|
|
|
|
2015-06-23 22:47:05 +01:00
|
|
|
int
|
|
|
|
loader_open_device(const char *device_name)
|
|
|
|
{
|
|
|
|
int fd;
|
|
|
|
#ifdef O_CLOEXEC
|
|
|
|
fd = open(device_name, O_RDWR | O_CLOEXEC);
|
|
|
|
if (fd == -1 && errno == EINVAL)
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
fd = open(device_name, O_RDWR);
|
|
|
|
if (fd != -1)
|
|
|
|
fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
|
|
|
|
}
|
|
|
|
return fd;
|
|
|
|
}
|
|
|
|
|
2016-09-07 18:30:48 +01:00
|
|
|
#if defined(HAVE_LIBDRM)
|
2014-06-09 00:47:48 +01:00
|
|
|
#ifdef USE_DRICONF
|
2016-09-07 16:38:44 +01:00
|
|
|
static const char __driConfigOptionsLoader[] =
|
2014-06-09 00:47:48 +01:00
|
|
|
DRI_CONF_BEGIN
|
|
|
|
DRI_CONF_SECTION_INITIALIZATION
|
|
|
|
DRI_CONF_DEVICE_ID_PATH_TAG()
|
|
|
|
DRI_CONF_SECTION_END
|
|
|
|
DRI_CONF_END;
|
|
|
|
|
2016-09-07 16:36:51 +01:00
|
|
|
static char *loader_get_dri_config_device_id(void)
|
2014-06-09 00:42:15 +01:00
|
|
|
{
|
2014-06-09 00:47:48 +01:00
|
|
|
driOptionCache defaultInitOptions;
|
|
|
|
driOptionCache userInitOptions;
|
2016-09-07 16:36:51 +01:00
|
|
|
char *prime = NULL;
|
|
|
|
|
|
|
|
driParseOptionInfo(&defaultInitOptions, __driConfigOptionsLoader);
|
|
|
|
driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0, "loader");
|
|
|
|
if (driCheckOption(&userInitOptions, "device_id", DRI_STRING))
|
|
|
|
prime = strdup(driQueryOptionstr(&userInitOptions, "device_id"));
|
|
|
|
driDestroyOptionCache(&userInitOptions);
|
|
|
|
driDestroyOptionInfo(&defaultInitOptions);
|
|
|
|
|
|
|
|
return prime;
|
|
|
|
}
|
2014-06-09 00:47:48 +01:00
|
|
|
#endif
|
2016-09-07 16:36:51 +01:00
|
|
|
|
2016-09-07 18:30:48 +01:00
|
|
|
static char *drm_construct_id_path_tag(drmDevicePtr device)
|
|
|
|
{
|
|
|
|
/* Length of "pci-xxxx_xx_xx_x\0" */
|
|
|
|
#define PCI_ID_PATH_TAG_LENGTH 17
|
|
|
|
char *tag = NULL;
|
|
|
|
|
|
|
|
if (device->bustype == DRM_BUS_PCI) {
|
|
|
|
tag = calloc(PCI_ID_PATH_TAG_LENGTH, sizeof(char));
|
|
|
|
if (tag == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
snprintf(tag, PCI_ID_PATH_TAG_LENGTH, "pci-%04x_%02x_%02x_%1u",
|
|
|
|
device->businfo.pci->domain, device->businfo.pci->bus,
|
|
|
|
device->businfo.pci->dev, device->businfo.pci->func);
|
|
|
|
}
|
|
|
|
return tag;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool drm_device_matches_tag(drmDevicePtr device, const char *prime_tag)
|
|
|
|
{
|
|
|
|
char *tag = drm_construct_id_path_tag(device);
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (tag == NULL)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
ret = strcmp(tag, prime_tag);
|
|
|
|
|
|
|
|
free(tag);
|
|
|
|
return ret == 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *drm_get_id_path_tag_for_fd(int fd)
|
|
|
|
{
|
|
|
|
drmDevicePtr device;
|
|
|
|
char *tag;
|
|
|
|
|
|
|
|
if (drmGetDevice(fd, &device) != 0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
tag = drm_construct_id_path_tag(device);
|
|
|
|
drmFreeDevice(&device);
|
|
|
|
return tag;
|
|
|
|
}
|
|
|
|
|
2016-09-07 16:36:51 +01:00
|
|
|
int loader_get_user_preferred_fd(int default_fd, int *different_device)
|
|
|
|
{
|
2016-09-07 18:30:48 +01:00
|
|
|
/* Arbitrary "maximum" value of drm devices. */
|
|
|
|
#define MAX_DRM_DEVICES 32
|
2014-06-09 00:42:15 +01:00
|
|
|
const char *dri_prime = getenv("DRI_PRIME");
|
2016-09-07 18:30:48 +01:00
|
|
|
char *default_tag, *prime = NULL;
|
|
|
|
drmDevicePtr devices[MAX_DRM_DEVICES];
|
|
|
|
int i, num_devices, fd;
|
|
|
|
bool found = false;
|
2014-06-09 00:42:15 +01:00
|
|
|
|
|
|
|
if (dri_prime)
|
|
|
|
prime = strdup(dri_prime);
|
2014-06-09 00:47:48 +01:00
|
|
|
#ifdef USE_DRICONF
|
2016-09-07 16:36:51 +01:00
|
|
|
else
|
|
|
|
prime = loader_get_dri_config_device_id();
|
2014-06-09 00:47:48 +01:00
|
|
|
#endif
|
2014-06-09 00:42:15 +01:00
|
|
|
|
|
|
|
if (prime == NULL) {
|
|
|
|
*different_device = 0;
|
|
|
|
return default_fd;
|
|
|
|
}
|
|
|
|
|
2016-09-07 18:30:48 +01:00
|
|
|
default_tag = drm_get_id_path_tag_for_fd(default_fd);
|
|
|
|
if (default_tag == NULL)
|
|
|
|
goto err;
|
2014-06-09 00:42:15 +01:00
|
|
|
|
2016-09-07 18:30:48 +01:00
|
|
|
num_devices = drmGetDevices(devices, MAX_DRM_DEVICES);
|
|
|
|
if (num_devices < 0)
|
|
|
|
goto err;
|
2014-06-09 00:42:15 +01:00
|
|
|
|
|
|
|
/* two format are supported:
|
|
|
|
* "1": choose any other card than the card used by default.
|
|
|
|
* id_path_tag: (for example "pci-0000_02_00_0") choose the card
|
|
|
|
* with this id_path_tag.
|
|
|
|
*/
|
|
|
|
if (!strcmp(prime,"1")) {
|
2016-09-07 18:30:48 +01:00
|
|
|
/* Hmm... detection for 2-7 seems to be broken. Oh well ...
|
|
|
|
* Pick the first render device that is not our own.
|
|
|
|
*/
|
|
|
|
for (i = 0; i < num_devices; i++) {
|
|
|
|
if (devices[i]->available_nodes & 1 << DRM_NODE_RENDER &&
|
|
|
|
!drm_device_matches_tag(devices[i], default_tag)) {
|
|
|
|
|
|
|
|
found = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
for (i = 0; i < num_devices; i++) {
|
|
|
|
if (devices[i]->available_nodes & 1 << DRM_NODE_RENDER &&
|
|
|
|
drm_device_matches_tag(devices[i], prime)) {
|
|
|
|
|
|
|
|
found = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2014-06-09 00:42:15 +01:00
|
|
|
}
|
|
|
|
|
2016-09-07 18:30:48 +01:00
|
|
|
if (!found) {
|
|
|
|
drmFreeDevices(devices, num_devices);
|
|
|
|
goto err;
|
2014-06-09 00:42:15 +01:00
|
|
|
}
|
|
|
|
|
2016-09-07 18:30:48 +01:00
|
|
|
fd = loader_open_device(devices[i]->nodes[DRM_NODE_RENDER]);
|
|
|
|
drmFreeDevices(devices, num_devices);
|
|
|
|
if (fd < 0)
|
|
|
|
goto err;
|
2014-06-09 00:42:15 +01:00
|
|
|
|
2016-09-07 18:30:48 +01:00
|
|
|
close(default_fd);
|
|
|
|
|
|
|
|
*different_device = !!strcmp(default_tag, prime);
|
|
|
|
|
|
|
|
free(default_tag);
|
|
|
|
free(prime);
|
2014-06-09 00:42:15 +01:00
|
|
|
return fd;
|
2016-09-07 18:30:48 +01:00
|
|
|
|
|
|
|
err:
|
|
|
|
*different_device = 0;
|
|
|
|
|
|
|
|
free(default_tag);
|
|
|
|
free(prime);
|
|
|
|
return default_fd;
|
2014-06-09 00:42:15 +01:00
|
|
|
}
|
|
|
|
#else
|
|
|
|
int loader_get_user_preferred_fd(int default_fd, int *different_device)
|
|
|
|
{
|
|
|
|
*different_device = 0;
|
|
|
|
return default_fd;
|
|
|
|
}
|
2014-05-22 03:39:15 +01:00
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
|
2016-09-09 15:20:23 +01:00
|
|
|
#if defined(HAVE_LIBDRM)
|
2014-05-22 04:07:42 +01:00
|
|
|
static int
|
|
|
|
dev_node_from_fd(int fd, unsigned int *maj, unsigned int *min)
|
|
|
|
{
|
|
|
|
struct stat buf;
|
|
|
|
|
|
|
|
if (fstat(fd, &buf) < 0) {
|
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: failed to stat fd %d\n", fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!S_ISCHR(buf.st_mode)) {
|
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: fd %d not a character device\n", fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
*maj = major(buf.st_rdev);
|
|
|
|
*min = minor(buf.st_rdev);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2015-12-21 05:39:55 +00:00
|
|
|
#endif
|
2014-05-22 04:07:42 +01:00
|
|
|
|
2015-07-07 15:42:15 +01:00
|
|
|
#if defined(HAVE_LIBDRM)
|
2014-01-10 23:36:16 +00:00
|
|
|
|
2014-05-22 03:39:15 +01:00
|
|
|
static int
|
|
|
|
drm_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
|
2014-01-10 23:36:16 +00:00
|
|
|
{
|
2016-09-07 16:04:42 +01:00
|
|
|
drmDevicePtr device;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (drmGetDevice(fd, &device) == 0) {
|
|
|
|
if (device->bustype == DRM_BUS_PCI) {
|
|
|
|
*vendor_id = device->deviceinfo.pci->vendor_id;
|
|
|
|
*chip_id = device->deviceinfo.pci->device_id;
|
|
|
|
ret = 1;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
2016-09-07 16:04:42 +01:00
|
|
|
else {
|
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: device is not located on the PCI bus\n");
|
|
|
|
ret = 0;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
2016-09-07 16:04:42 +01:00
|
|
|
drmFreeDevice(&device);
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
2016-09-07 16:04:42 +01:00
|
|
|
else {
|
|
|
|
log_(_LOADER_WARNING, "MESA-LOADER: failed to retrieve device information\n");
|
|
|
|
ret = 0;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
|
|
|
|
2016-09-07 16:04:42 +01:00
|
|
|
return ret;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
2014-05-22 03:39:15 +01:00
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
|
|
|
|
{
|
2015-07-07 15:42:15 +01:00
|
|
|
#if HAVE_LIBDRM
|
2014-05-22 03:39:15 +01:00
|
|
|
if (drm_get_pci_id_for_fd(fd, vendor_id, chip_id))
|
|
|
|
return 1;
|
|
|
|
#endif
|
2014-01-10 23:36:16 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2015-12-21 05:39:55 +00:00
|
|
|
#if defined(HAVE_LIBDRM)
|
|
|
|
static char *
|
|
|
|
drm_get_device_name_for_fd(int fd)
|
|
|
|
{
|
|
|
|
unsigned int maj, min;
|
|
|
|
char buf[0x40];
|
|
|
|
int n;
|
|
|
|
|
|
|
|
if (dev_node_from_fd(fd, &maj, &min) < 0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
n = snprintf(buf, sizeof(buf), DRM_DEV_NAME, DRM_DIR_NAME, min);
|
|
|
|
if (n == -1 || n >= sizeof(buf))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
return strdup(buf);
|
|
|
|
}
|
|
|
|
#endif
|
2014-05-22 04:07:42 +01:00
|
|
|
|
2014-05-22 03:39:15 +01:00
|
|
|
char *
|
|
|
|
loader_get_device_name_for_fd(int fd)
|
|
|
|
{
|
|
|
|
char *result = NULL;
|
|
|
|
|
2015-12-21 05:39:55 +00:00
|
|
|
#if HAVE_LIBDRM
|
|
|
|
if ((result = drm_get_device_name_for_fd(fd)))
|
|
|
|
return result;
|
2014-05-22 03:39:15 +01:00
|
|
|
#endif
|
|
|
|
return result;
|
|
|
|
}
|
2014-01-10 23:36:16 +00:00
|
|
|
|
|
|
|
char *
|
2016-09-12 17:48:18 +01:00
|
|
|
loader_get_driver_for_fd(int fd)
|
2014-01-10 23:36:16 +00:00
|
|
|
{
|
|
|
|
int vendor_id, chip_id, i, j;
|
|
|
|
char *driver = NULL;
|
|
|
|
|
2017-02-03 19:02:59 +00:00
|
|
|
/* Allow an environment variable to force choosing a different driver
|
|
|
|
* binary. If that driver binary can't survive on this FD, that's the
|
|
|
|
* user's problem, but this allows vc4 simulator to run on an i965 host,
|
|
|
|
* and may be useful for some touch testing of i915 on an i965 host.
|
|
|
|
*/
|
|
|
|
if (geteuid() == getuid()) {
|
|
|
|
driver = getenv("MESA_LOADER_DRIVER_OVERRIDE");
|
|
|
|
if (driver)
|
|
|
|
return strdup(driver);
|
|
|
|
}
|
|
|
|
|
2014-01-10 23:36:16 +00:00
|
|
|
if (!loader_get_pci_id_for_fd(fd, &vendor_id, &chip_id)) {
|
2014-01-19 03:09:03 +00:00
|
|
|
|
2015-07-07 15:42:15 +01:00
|
|
|
#if HAVE_LIBDRM
|
2013-12-14 19:28:33 +00:00
|
|
|
/* fallback to drmGetVersion(): */
|
|
|
|
drmVersionPtr version = drmGetVersion(fd);
|
|
|
|
|
|
|
|
if (!version) {
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_WARNING, "failed to get driver name for fd %d\n", fd);
|
2013-12-14 19:28:33 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
driver = strndup(version->name, version->name_len);
|
2014-01-27 12:53:32 +00:00
|
|
|
log_(_LOADER_INFO, "using driver %s for %d\n", driver, fd);
|
2013-12-14 19:28:33 +00:00
|
|
|
|
|
|
|
drmFreeVersion(version);
|
2014-01-19 03:09:03 +00:00
|
|
|
#endif
|
2013-12-14 19:28:33 +00:00
|
|
|
|
|
|
|
return driver;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; driver_map[i].driver; i++) {
|
|
|
|
if (vendor_id != driver_map[i].vendor_id)
|
|
|
|
continue;
|
|
|
|
|
2014-03-17 18:42:12 +00:00
|
|
|
if (driver_map[i].predicate && !driver_map[i].predicate(fd))
|
|
|
|
continue;
|
|
|
|
|
2014-01-10 23:36:16 +00:00
|
|
|
if (driver_map[i].num_chips_ids == -1) {
|
|
|
|
driver = strdup(driver_map[i].driver);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (j = 0; j < driver_map[i].num_chips_ids; j++)
|
|
|
|
if (driver_map[i].chip_ids[j] == chip_id) {
|
|
|
|
driver = strdup(driver_map[i].driver);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
out:
|
2014-01-23 17:59:39 +00:00
|
|
|
log_(driver ? _LOADER_DEBUG : _LOADER_WARNING,
|
2014-01-27 12:53:32 +00:00
|
|
|
"pci id for fd %d: %04x:%04x, driver %s\n",
|
2014-01-10 23:36:16 +00:00
|
|
|
fd, vendor_id, chip_id, driver);
|
|
|
|
return driver;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
loader_set_logger(void (*logger)(int level, const char *fmt, ...))
|
|
|
|
{
|
2014-01-20 13:57:12 +00:00
|
|
|
log_ = logger;
|
2014-01-10 23:36:16 +00:00
|
|
|
}
|
2016-11-09 14:50:05 +00:00
|
|
|
|
|
|
|
/* XXX: Local definition to avoid pulling the heavyweight GL/gl.h and
|
|
|
|
* GL/internal/dri_interface.h
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef __DRI_DRIVER_GET_EXTENSIONS
|
|
|
|
#define __DRI_DRIVER_GET_EXTENSIONS "__driDriverGetExtensions"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
char *
|
|
|
|
loader_get_extensions_name(const char *driver_name)
|
|
|
|
{
|
|
|
|
char *name = NULL;
|
|
|
|
|
|
|
|
if (asprintf(&name, "%s_%s", __DRI_DRIVER_GET_EXTENSIONS, driver_name) < 0)
|
|
|
|
return NULL;
|
|
|
|
|
2016-11-09 14:50:07 +00:00
|
|
|
const size_t len = strlen(name);
|
|
|
|
for (size_t i = 0; i < len; i++) {
|
|
|
|
if (name[i] == '-')
|
|
|
|
name[i] = '_';
|
|
|
|
}
|
|
|
|
|
2016-11-09 14:50:05 +00:00
|
|
|
return name;
|
|
|
|
}
|