diff options
Diffstat (limited to 'Source/external/physfs/physfs_platform_qnx.c')
| -rw-r--r-- | Source/external/physfs/physfs_platform_qnx.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/Source/external/physfs/physfs_platform_qnx.c b/Source/external/physfs/physfs_platform_qnx.c new file mode 100644 index 0000000..46f9aa7 --- /dev/null +++ b/Source/external/physfs/physfs_platform_qnx.c @@ -0,0 +1,169 @@ +/* + * QNX support routines for PhysicsFS. + * + * Please see the file LICENSE.txt in the source's root directory. + * + * This file written by Ryan C. Gordon. + */ + +/* This is tested against QNX 7 at the moment. */ + +#define __PHYSICSFS_INTERNAL__ +#include "physfs_platforms.h" + +#ifdef PHYSFS_PLATFORM_QNX + +#include <fcntl.h> +#include <unistd.h> +#include <sys/types.h> +#include <limits.h> + +#include "physfs_internal.h" + +int __PHYSFS_platformInit(void) +{ + return 1; /* always succeed. */ +} /* __PHYSFS_platformInit */ + + +void __PHYSFS_platformDeinit(void) +{ + /* no-op */ +} /* __PHYSFS_platformDeinit */ + + +char *__PHYSFS_platformCalcBaseDir(const char *argv0) +{ + char *retval = (char *) allocator.Malloc(PATH_MAX+1); + if (retval == NULL) + BAIL(PHYSFS_ERR_OUT_OF_MEMORY, NULL); + else + { + const int fd = open("/proc/self/exefile", O_RDONLY); + const ssize_t br = (fd == -1) ? -1 : read(fd, retval, PATH_MAX); + char *ptr; + + if (fd != -1) + close(fd); + + if ((br < 0) || (br > PATH_MAX)) + { + allocator.Free(retval); + BAIL(PHYSFS_ERR_OS_ERROR, NULL); + } /* if */ + + retval[br] = '\0'; + ptr = strrchr(retval, '/'); + if (ptr == NULL) /* uhoh! */ + { + allocator.Free(retval); + BAIL(PHYSFS_ERR_OS_ERROR, NULL); + } /* if */ + + ptr[1] = '\0'; /* chop off filename, leave dirs and '/' */ + + ptr = (char *) allocator.Realloc(retval, (ptr - retval) + 2); + if (ptr != NULL) /* just shrinking buffer; don't care if it failed. */ + retval = ptr; + } /* else */ + + return retval; +} /* __PHYSFS_platformCalcBaseDir */ + + +char *__PHYSFS_platformCalcPrefDir(const char *org, const char *app) +{ + /* !!! FIXME: this might be wrong; I don't know if there's a better method + on QNX, or if it follows XDG specs, etc. */ + char *retval = NULL; + const char *home = __PHYSFS_getUserDir(); + if (home) + { + const size_t len = strlen(home) + strlen(app) + 3; + retval = (char *) allocator.Malloc(len); + BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL); + snprintf(retval, len, "%s.%s/", home, app); + } /* if */ + return retval; +} /* __PHYSFS_platformCalcPrefDir */ + + +#if !PHYSFS_NO_CDROM_SUPPORT +#include <devctl.h> +#include <sys/dcmd_blk.h> +#include <dirent.h> +#include <sys/stat.h> +#include <sys/statvfs.h> + +static void checkPathForCD(const char *path, PHYSFS_StringCallback cb, void *d) +{ + struct stat statbuf; + int fd; + + /* The devctl() thing is QNX-specific. In this case, we query what is + probably the mountpoint for the device. statvfs() on that mountpoint + will tell use its filesystem type. */ + + if ( (stat(path, &statbuf) == 0) && + (S_ISBLK(statbuf.st_mode)) && + ((fd = open(path, O_RDONLY | O_NONBLOCK)) != -1) ) + { + char mnt[256] = { 0 }; + const int rc = devctl(fd, DCMD_FSYS_MOUNTED_BY, mnt, sizeof (mnt), 0); + close(fd); + if ( (rc == EOK) && (mnt[0]) ) + { + struct statvfs statvfsbuf; + if (statvfs(mnt, &statvfsbuf) == 0) + { + /* I don't know if this is a complete or accurate list. */ + const char *fstype = statvfsbuf.f_basetype; + const int iscd = ( (strcmp(fstype, "cd") == 0) || + (strcmp(fstype, "udf") == 0) ); + if (iscd) + cb(d, mnt); + } /* if */ + } /* if */ + } /* if */ +} /* checkPathForCD */ + +static void checkDevForCD(const char *dev, PHYSFS_StringCallback cb, void *d) +{ + size_t len; + char *path; + + if (dev[0] == '.') /* ignore "." and ".." */ + { + if ((dev[1] == '\0') || ((dev[1] == '.') && (dev[2] == '\0'))) + return; + } /* if */ + + len = strlen(dev) + 6; + path = (char *) __PHYSFS_smallAlloc(len); + if (!path) + return; /* oh well. */ + + snprintf(path, len, "/dev/%s", dev); + checkPathForCD(path, cb, d); + __PHYSFS_smallFree(path); +} /* checkDevForCD */ +#endif /* !PHYSFS_NO_CDROM_SUPPORT */ + +void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data) +{ +#if !PHYSFS_NO_CDROM_SUPPORT + DIR *dirp = opendir("/dev"); + if (dirp) + { + struct dirent *dent; + while ((dent = readdir(dirp)) != NULL) + checkDevForCD(dent->d_name, cb, data); + closedir(dirp); + } /* if */ +#endif +} /* __PHYSFS_platformDetectAvailableCDs */ + +#endif /* PHYSFS_PLATFORM_QNX */ + +/* end of physfs_platform_qnx.c ... */ + |