Revision 10f5bff6
| b/include/qemu-common.h | ||
|---|---|---|
| 360 | 360 |
|
| 361 | 361 |
/* OS specific functions */ |
| 362 | 362 |
void os_setup_early_signal_handling(void); |
| 363 |
char *os_find_datadir(const char *argv0);
|
|
| 363 |
char *os_find_datadir(void);
|
|
| 364 | 364 |
void os_parse_cmd_args(int index, const char *optarg); |
| 365 | 365 |
void os_pidfile_error(void); |
| 366 | 366 |
|
| b/include/qemu/osdep.h | ||
|---|---|---|
| 215 | 215 |
*/ |
| 216 | 216 |
char *qemu_get_local_state_pathname(const char *relative_pathname); |
| 217 | 217 |
|
| 218 |
/* Find program directory, and save it for later usage with |
|
| 219 |
* qemu_get_exec_dir(). |
|
| 220 |
* Try OS specific API first, if not working, parse from argv0. */ |
|
| 221 |
void qemu_init_exec_dir(const char *argv0); |
|
| 222 |
|
|
| 223 |
/* Get the saved exec dir. |
|
| 224 |
* Caller needs to release the returned string by g_free() */ |
|
| 225 |
char *qemu_get_exec_dir(void); |
|
| 226 |
|
|
| 218 | 227 |
/** |
| 219 | 228 |
* qemu_getauxval: |
| 220 | 229 |
* @type: the auxiliary vector key to lookup |
| b/os-posix.c | ||
|---|---|---|
| 84 | 84 |
running from the build tree this will be "$bindir/../pc-bios". */ |
| 85 | 85 |
#define SHARE_SUFFIX "/share/qemu" |
| 86 | 86 |
#define BUILD_SUFFIX "/pc-bios" |
| 87 |
char *os_find_datadir(const char *argv0)
|
|
| 87 |
char *os_find_datadir(void)
|
|
| 88 | 88 |
{
|
| 89 |
char *dir; |
|
| 90 |
char *p = NULL; |
|
| 89 |
char *dir, *exec_dir; |
|
| 91 | 90 |
char *res; |
| 92 |
char buf[PATH_MAX]; |
|
| 93 | 91 |
size_t max_len; |
| 94 | 92 |
|
| 95 |
#if defined(__linux__) |
|
| 96 |
{
|
|
| 97 |
int len; |
|
| 98 |
len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
|
|
| 99 |
if (len > 0) {
|
|
| 100 |
buf[len] = 0; |
|
| 101 |
p = buf; |
|
| 102 |
} |
|
| 103 |
} |
|
| 104 |
#elif defined(__FreeBSD__) |
|
| 105 |
{
|
|
| 106 |
static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
|
|
| 107 |
size_t len = sizeof(buf) - 1; |
|
| 108 |
|
|
| 109 |
*buf = '\0'; |
|
| 110 |
if (!sysctl(mib, ARRAY_SIZE(mib), buf, &len, NULL, 0) && |
|
| 111 |
*buf) {
|
|
| 112 |
buf[sizeof(buf) - 1] = '\0'; |
|
| 113 |
p = buf; |
|
| 114 |
} |
|
| 115 |
} |
|
| 116 |
#endif |
|
| 117 |
/* If we don't have any way of figuring out the actual executable |
|
| 118 |
location then try argv[0]. */ |
|
| 119 |
if (!p) {
|
|
| 120 |
p = realpath(argv0, buf); |
|
| 121 |
if (!p) {
|
|
| 122 |
return NULL; |
|
| 123 |
} |
|
| 93 |
exec_dir = qemu_get_exec_dir(); |
|
| 94 |
if (exec_dir == NULL) {
|
|
| 95 |
return NULL; |
|
| 124 | 96 |
} |
| 125 |
dir = dirname(p); |
|
| 126 |
dir = dirname(dir); |
|
| 97 |
dir = dirname(exec_dir); |
|
| 127 | 98 |
|
| 128 | 99 |
max_len = strlen(dir) + |
| 129 | 100 |
MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; |
| ... | ... | |
| 137 | 108 |
} |
| 138 | 109 |
} |
| 139 | 110 |
|
| 111 |
g_free(exec_dir); |
|
| 140 | 112 |
return res; |
| 141 | 113 |
} |
| 142 | 114 |
#undef SHARE_SUFFIX |
| b/os-win32.c | ||
|---|---|---|
| 84 | 84 |
} |
| 85 | 85 |
|
| 86 | 86 |
/* Look for support files in the same directory as the executable. */ |
| 87 |
char *os_find_datadir(const char *argv0)
|
|
| 87 |
char *os_find_datadir(void)
|
|
| 88 | 88 |
{
|
| 89 |
char *p; |
|
| 90 |
char buf[MAX_PATH]; |
|
| 91 |
DWORD len; |
|
| 92 |
|
|
| 93 |
len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); |
|
| 94 |
if (len == 0) {
|
|
| 95 |
return NULL; |
|
| 96 |
} |
|
| 97 |
|
|
| 98 |
buf[len] = 0; |
|
| 99 |
p = buf + len - 1; |
|
| 100 |
while (p != buf && *p != '\\') |
|
| 101 |
p--; |
|
| 102 |
*p = 0; |
|
| 103 |
if (access(buf, R_OK) == 0) {
|
|
| 104 |
return g_strdup(buf); |
|
| 105 |
} |
|
| 106 |
return NULL; |
|
| 89 |
return qemu_get_exec_dir(); |
|
| 107 | 90 |
} |
| 108 | 91 |
|
| 109 | 92 |
void os_set_line_buffering(void) |
| b/qemu-img.c | ||
|---|---|---|
| 2719 | 2719 |
#endif |
| 2720 | 2720 |
|
| 2721 | 2721 |
error_set_progname(argv[0]); |
| 2722 |
qemu_init_exec_dir(argv[0]); |
|
| 2722 | 2723 |
|
| 2723 | 2724 |
qemu_init_main_loop(); |
| 2724 | 2725 |
bdrv_init(); |
| b/qemu-io.c | ||
|---|---|---|
| 381 | 381 |
#endif |
| 382 | 382 |
|
| 383 | 383 |
progname = basename(argv[0]); |
| 384 |
qemu_init_exec_dir(argv[0]); |
|
| 384 | 385 |
|
| 385 | 386 |
while ((c = getopt_long(argc, argv, sopt, lopt, &opt_index)) != -1) {
|
| 386 | 387 |
switch (c) {
|
| b/qemu-nbd.c | ||
|---|---|---|
| 376 | 376 |
memset(&sa_sigterm, 0, sizeof(sa_sigterm)); |
| 377 | 377 |
sa_sigterm.sa_handler = termsig_handler; |
| 378 | 378 |
sigaction(SIGTERM, &sa_sigterm, NULL); |
| 379 |
qemu_init_exec_dir(argv[0]); |
|
| 379 | 380 |
|
| 380 | 381 |
while ((ch = getopt_long(argc, argv, sopt, lopt, &opt_ind)) != -1) {
|
| 381 | 382 |
switch (ch) {
|
| b/util/oslib-posix.c | ||
|---|---|---|
| 57 | 57 |
#include "trace.h" |
| 58 | 58 |
#include "qemu/sockets.h" |
| 59 | 59 |
#include <sys/mman.h> |
| 60 |
#include <libgen.h> |
|
| 60 | 61 |
|
| 61 | 62 |
#ifdef CONFIG_LINUX |
| 62 | 63 |
#include <sys/syscall.h> |
| ... | ... | |
| 274 | 275 |
|
| 275 | 276 |
tcsetattr(fd, TCSANOW, &tty); |
| 276 | 277 |
} |
| 278 |
|
|
| 279 |
static char exec_dir[PATH_MAX]; |
|
| 280 |
|
|
| 281 |
void qemu_init_exec_dir(const char *argv0) |
|
| 282 |
{
|
|
| 283 |
char *dir; |
|
| 284 |
char *p = NULL; |
|
| 285 |
char buf[PATH_MAX]; |
|
| 286 |
|
|
| 287 |
assert(!exec_dir[0]); |
|
| 288 |
|
|
| 289 |
#if defined(__linux__) |
|
| 290 |
{
|
|
| 291 |
int len; |
|
| 292 |
len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
|
|
| 293 |
if (len > 0) {
|
|
| 294 |
buf[len] = 0; |
|
| 295 |
p = buf; |
|
| 296 |
} |
|
| 297 |
} |
|
| 298 |
#elif defined(__FreeBSD__) |
|
| 299 |
{
|
|
| 300 |
static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
|
|
| 301 |
size_t len = sizeof(buf) - 1; |
|
| 302 |
|
|
| 303 |
*buf = '\0'; |
|
| 304 |
if (!sysctl(mib, ARRAY_SIZE(mib), buf, &len, NULL, 0) && |
|
| 305 |
*buf) {
|
|
| 306 |
buf[sizeof(buf) - 1] = '\0'; |
|
| 307 |
p = buf; |
|
| 308 |
} |
|
| 309 |
} |
|
| 310 |
#endif |
|
| 311 |
/* If we don't have any way of figuring out the actual executable |
|
| 312 |
location then try argv[0]. */ |
|
| 313 |
if (!p) {
|
|
| 314 |
if (!argv0) {
|
|
| 315 |
return; |
|
| 316 |
} |
|
| 317 |
p = realpath(argv0, buf); |
|
| 318 |
if (!p) {
|
|
| 319 |
return; |
|
| 320 |
} |
|
| 321 |
} |
|
| 322 |
dir = dirname(p); |
|
| 323 |
|
|
| 324 |
pstrcpy(exec_dir, sizeof(exec_dir), dir); |
|
| 325 |
} |
|
| 326 |
|
|
| 327 |
char *qemu_get_exec_dir(void) |
|
| 328 |
{
|
|
| 329 |
return g_strdup(exec_dir); |
|
| 330 |
} |
|
| b/util/oslib-win32.c | ||
|---|---|---|
| 208 | 208 |
dwMode & ~(ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT)); |
| 209 | 209 |
} |
| 210 | 210 |
} |
| 211 |
|
|
| 212 |
static char exec_dir[PATH_MAX]; |
|
| 213 |
|
|
| 214 |
void qemu_init_exec_dir(const char *argv0) |
|
| 215 |
{
|
|
| 216 |
|
|
| 217 |
char *p; |
|
| 218 |
char buf[MAX_PATH]; |
|
| 219 |
DWORD len; |
|
| 220 |
|
|
| 221 |
len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); |
|
| 222 |
if (len == 0) {
|
|
| 223 |
return; |
|
| 224 |
} |
|
| 225 |
|
|
| 226 |
buf[len] = 0; |
|
| 227 |
p = buf + len - 1; |
|
| 228 |
while (p != buf && *p != '\\') {
|
|
| 229 |
p--; |
|
| 230 |
} |
|
| 231 |
*p = 0; |
|
| 232 |
if (access(buf, R_OK) == 0) {
|
|
| 233 |
pstrcpy(exec_dir, sizeof(exec_dir), buf); |
|
| 234 |
} |
|
| 235 |
} |
|
| 236 |
|
|
| 237 |
char *qemu_get_exec_dir(void) |
|
| 238 |
{
|
|
| 239 |
return g_strdup(exec_dir); |
|
| 240 |
} |
|
| b/vl.c | ||
|---|---|---|
| 2827 | 2827 |
|
| 2828 | 2828 |
atexit(qemu_run_exit_notifiers); |
| 2829 | 2829 |
error_set_progname(argv[0]); |
| 2830 |
qemu_init_exec_dir(argv[0]); |
|
| 2830 | 2831 |
|
| 2831 | 2832 |
g_mem_set_vtable(&mem_trace); |
| 2832 | 2833 |
if (!g_thread_supported()) {
|
| ... | ... | |
| 3855 | 3856 |
/* If no data_dir is specified then try to find it relative to the |
| 3856 | 3857 |
executable path. */ |
| 3857 | 3858 |
if (data_dir_idx < ARRAY_SIZE(data_dir)) {
|
| 3858 |
data_dir[data_dir_idx] = os_find_datadir(argv[0]);
|
|
| 3859 |
data_dir[data_dir_idx] = os_find_datadir(); |
|
| 3859 | 3860 |
if (data_dir[data_dir_idx] != NULL) {
|
| 3860 | 3861 |
data_dir_idx++; |
| 3861 | 3862 |
} |
Also available in: Unified diff