# define SIOCINQ FIONREAD
#endif
+/* make sure gcc doesn't redefine open and friends as macros */
+#undef open
+#undef open64
+
typedef enum {
FD_INFO_MIXER,
FD_INFO_STREAM,
static int (*_close)(int) = NULL;
static int (*_open)(const char *, int, mode_t) = NULL;
static FILE* (*_fopen)(const char *path, const char *mode) = NULL;
+static int (*_stat)(const char *, struct stat *) = NULL;
+#ifdef _STAT_VER
+static int (*___xstat)(int, const char *, struct stat *) = NULL;
+#endif
#ifdef HAVE_OPEN64
static int (*_open64)(const char *, int, mode_t) = NULL;
static FILE* (*_fopen64)(const char *path, const char *mode) = NULL;
+static int (*_stat64)(const char *, struct stat64 *) = NULL;
+#ifdef _STAT_VER
+static int (*___xstat64)(int, const char *, struct stat64 *) = NULL;
+#endif
#endif
static int (*_fclose)(FILE *f) = NULL;
static int (*_access)(const char *, int) = NULL;
pthread_mutex_unlock(&func_mutex); \
} while(0)
+#define LOAD_STAT_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!_stat) \
+ _stat = (int (*)(const char *, struct stat *)) dlsym_fn(RTLD_NEXT, "stat"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
+#define LOAD_STAT64_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!_stat64) \
+ _stat64 = (int (*)(const char *, struct stat64 *)) dlsym_fn(RTLD_NEXT, "stat64"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
+#define LOAD_XSTAT_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!___xstat) \
+ ___xstat = (int (*)(int, const char *, struct stat *)) dlsym_fn(RTLD_NEXT, "__xstat"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
+#define LOAD_XSTAT64_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!___xstat64) \
+ ___xstat64 = (int (*)(int, const char *, struct stat64 *)) dlsym_fn(RTLD_NEXT, "__xstat64"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
#define LOAD_FOPEN_FUNC() \
do { \
pthread_mutex_lock(&func_mutex); \
static void debug(int level, const char *format, ...) PA_GCC_PRINTF_ATTR(2,3);
-#define DEBUG_LEVEL_ALWAYS 0
-#define DEBUG_LEVEL_NORMAL 1
-#define DEBUG_LEVEL_VERBOSE 2
+#define DEBUG_LEVEL_ALWAYS 0
+#define DEBUG_LEVEL_NORMAL 1
+#define DEBUG_LEVEL_VERBOSE 2
static void debug(int level, const char *format, ...) {
va_list ap;
pthread_mutex_lock(&i->mutex);
assert(i->ref >= 1);
r = --i->ref;
- debug(DEBUG_LEVEL_VERBOSE, __FILE__": ref--, now %i\n", i->ref);
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": ref--, now %i\n", i->ref);
pthread_mutex_unlock(&i->mutex);
if (r <= 0)
if (flags != O_RDONLY
#ifdef O_LARGEFILE
- && flags != (O_RDONLY|O_LARGEFILE)
+ && flags != (O_RDONLY|O_LARGEFILE)
#endif
) {
*_errno = EACCES;
return -1;
}
-int open(const char *filename, int flags, ...) {
- va_list args;
- mode_t mode = 0;
+static int real_open(const char *filename, int flags, mode_t mode) {
int r, _errno = 0;
debug(DEBUG_LEVEL_VERBOSE, __FILE__": open(%s)\n", filename);
- va_start(args, flags);
- if (flags & O_CREAT) {
- if (sizeof(mode_t) < sizeof(int))
- mode = va_arg(args, int);
- else
- mode = va_arg(args, mode_t);
- }
- va_end(args);
-
if (!function_enter()) {
LOAD_OPEN_FUNC();
return _open(filename, flags, mode);
}
- if (dsp_cloak_enable() && (strcmp(filename, "/dev/dsp") == 0 || strcmp(filename, "/dev/adsp") == 0)) {
+ if (dsp_cloak_enable() && (strcmp(filename, "/dev/dsp") == 0 || strcmp(filename, "/dev/adsp") == 0))
r = dsp_open(flags, &_errno);
- } else if (mixer_cloak_enable() && strcmp(filename, "/dev/mixer") == 0) {
+ else if (mixer_cloak_enable() && strcmp(filename, "/dev/mixer") == 0)
r = mixer_open(flags, &_errno);
- } else if (sndstat_cloak_enable() && strcmp(filename, "/dev/sndstat") == 0) {
+ else if (sndstat_cloak_enable() && strcmp(filename, "/dev/sndstat") == 0)
r = sndstat_open(flags, &_errno);
- } else {
+ else {
function_exit();
LOAD_OPEN_FUNC();
return _open(filename, flags, mode);
return r;
}
+int open(const char *filename, int flags, ...) {
+ va_list args;
+ mode_t mode = 0;
+
+ if (flags & O_CREAT) {
+ va_start(args, flags);
+ if (sizeof(mode_t) < sizeof(int))
+ mode = va_arg(args, int);
+ else
+ mode = va_arg(args, mode_t);
+ va_end(args);
+ }
+
+ return real_open(filename, flags, mode);
+}
+
static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) {
int ret = -1;
*(int*) argp = DSP_CAP_DUPLEX | DSP_CAP_TRIGGER
#ifdef DSP_CAP_MULTI
- | DSP_CAP_MULTI
+ | DSP_CAP_MULTI
#endif
- ;
+ ;
break;
case SNDCTL_DSP_GETODELAY: {
*_errno = EIO;
break;
+ case SNDCTL_DSP_GETTRIGGER:
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_GETTRIGGER\n");
+
+ *(int*) argp = 0;
+ if (!i->play_precork)
+ *(int*) argp |= PCM_ENABLE_OUTPUT;
+ if (!i->rec_precork)
+ *(int*) argp |= PCM_ENABLE_INPUT;
+
+ break;
+
case SNDCTL_DSP_SETTRIGGER:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SETTRIGGER: 0x%08x\n", *(int*) argp);
case SNDCTL_DSP_SETDUPLEX:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SETDUPLEX\n");
- /* this is a no-op */
- break;
-
+ /* this is a no-op */
+ break;
+
default:
- debug(DEBUG_LEVEL_NORMAL, __FILE__": unknown ioctl 0x%08lx\n", request);
+ /* Mixer ioctls are valid on /dev/dsp aswell */
+ return mixer_ioctl(i, request, argp, _errno);
inval:
*_errno = EINVAL;
return 0;
}
+int stat(const char *pathname, struct stat *buf) {
+#ifdef HAVE_OPEN64
+ struct stat64 parent;
+#else
+ struct stat parent;
+#endif
+ int ret;
+
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": stat(%s)\n", pathname);
+ LOAD_STAT_FUNC();
+ return _stat(pathname, buf);
+ }
+
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": stat(%s)\n", pathname);
+
+#ifdef _STAT_VER
+#ifdef HAVE_OPEN64
+ ret = __xstat64(_STAT_VER, "/dev", &parent);
+#else
+ ret = __xstat(_STAT_VER, "/dev", &parent);
+#endif
+#else
+#ifdef HAVE_OPEN64
+ ret = stat64("/dev", &parent);
+#else
+ ret = stat("/dev", &parent);
+#endif
+#endif
+
+ if (ret) {
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": unable to stat \"/dev\"\n");
+ return -1;
+ }
+
+ buf->st_dev = parent.st_dev;
+ buf->st_ino = 0xDEADBEEF; /* FIXME: Can we do this in a safe way? */
+ buf->st_mode = S_IFCHR | S_IRUSR | S_IWUSR;
+ buf->st_nlink = 1;
+ buf->st_uid = getuid();
+ buf->st_gid = getgid();
+ buf->st_rdev = 0x0E03; /* FIXME: Linux specific */
+ buf->st_size = 0;
+ buf->st_atime = 1181557705;
+ buf->st_mtime = 1181557705;
+ buf->st_ctime = 1181557705;
+ buf->st_blksize = 1;
+ buf->st_blocks = 0;
+
+ return 0;
+}
+
#ifdef HAVE_OPEN64
+int stat64(const char *pathname, struct stat64 *buf) {
+ struct stat oldbuf;
+ int ret;
+
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": stat64(%s)\n", pathname);
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ LOAD_STAT64_FUNC();
+ return _stat64(pathname, buf);
+ }
+
+ ret = stat(pathname, &oldbuf);
+ if (ret)
+ return ret;
+
+ buf->st_dev = oldbuf.st_dev;
+ buf->st_ino = oldbuf.st_ino;
+ buf->st_mode = oldbuf.st_mode;
+ buf->st_nlink = oldbuf.st_nlink;
+ buf->st_uid = oldbuf.st_uid;
+ buf->st_gid = oldbuf.st_gid;
+ buf->st_rdev = oldbuf.st_rdev;
+ buf->st_size = oldbuf.st_size;
+ buf->st_atime = oldbuf.st_atime;
+ buf->st_mtime = oldbuf.st_mtime;
+ buf->st_ctime = oldbuf.st_ctime;
+ buf->st_blksize = oldbuf.st_blksize;
+ buf->st_blocks = oldbuf.st_blocks;
+
+ return 0;
+}
+
int open64(const char *filename, int flags, ...) {
va_list args;
mode_t mode = 0;
debug(DEBUG_LEVEL_VERBOSE, __FILE__": open64(%s)\n", filename);
- va_start(args, flags);
- if (flags & O_CREAT)
- mode = va_arg(args, mode_t);
- va_end(args);
+ if (flags & O_CREAT) {
+ va_start(args, flags);
+ if (sizeof(mode_t) < sizeof(int))
+ mode = va_arg(args, int);
+ else
+ mode = va_arg(args, mode_t);
+ va_end(args);
+ }
if (strcmp(filename, "/dev/dsp") != 0 &&
strcmp(filename, "/dev/adsp") != 0 &&
return _open64(filename, flags, mode);
}
- return open(filename, flags, mode);
+ return real_open(filename, flags, mode);
+}
+
+#endif
+
+#ifdef _STAT_VER
+
+int __xstat(int ver, const char *pathname, struct stat *buf) {
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": __xstat(%s)\n", pathname);
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ LOAD_XSTAT_FUNC();
+ return ___xstat(ver, pathname, buf);
+ }
+
+ if (ver != _STAT_VER) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ return stat(pathname, buf);
}
+#ifdef HAVE_OPEN64
+
+int __xstat64(int ver, const char *pathname, struct stat64 *buf) {
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": __xstat64(%s)\n", pathname);
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ LOAD_XSTAT64_FUNC();
+ return ___xstat64(ver, pathname, buf);
+ }
+
+ if (ver != _STAT_VER) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ return stat64(pathname, buf);
+}
+
+#endif
+
#endif
FILE* fopen(const char *filename, const char *mode) {
if ((((mode[1] == 'b') || (mode[1] == 't')) && (mode[2] == '+')) || (mode[1] == '+'))
m = O_RDWR;
- if ((fd = open(filename, m)) < 0)
+ if ((fd = real_open(filename, m, 0)) < 0)
return NULL;
if (!(f = fdopen(fd, mode))) {