diff options
Diffstat (limited to 'Source/3rdParty/physfs/physfs_archiver_dir.c')
| -rw-r--r-- | Source/3rdParty/physfs/physfs_archiver_dir.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/Source/3rdParty/physfs/physfs_archiver_dir.c b/Source/3rdParty/physfs/physfs_archiver_dir.c new file mode 100644 index 0000000..61c0da3 --- /dev/null +++ b/Source/3rdParty/physfs/physfs_archiver_dir.c @@ -0,0 +1,196 @@ +/* + * Standard directory I/O support routines for PhysicsFS. + * + * Please see the file LICENSE.txt in the source's root directory. + * + * This file written by Ryan C. Gordon. + */ + +#define __PHYSICSFS_INTERNAL__ +#include "physfs_internal.h" + +/* There's no PHYSFS_Io interface here. Use __PHYSFS_createNativeIo(). */ + + + +static char *cvtToDependent(const char *prepend, const char *path, + char *buf, const size_t buflen) +{ + BAIL_IF(buf == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL); + snprintf(buf, buflen, "%s%s", prepend ? prepend : "", path); + + #if !__PHYSFS_STANDARD_DIRSEP + assert(__PHYSFS_platformDirSeparator != '/'); + { + char *p; + for (p = strchr(buf, '/'); p != NULL; p = strchr(p + 1, '/')) + *p = __PHYSFS_platformDirSeparator; + } /* if */ + #endif + + return buf; +} /* cvtToDependent */ + + +#define CVT_TO_DEPENDENT(buf, pre, dir) { \ + const size_t len = ((pre) ? strlen((char *) pre) : 0) + strlen(dir) + 1; \ + buf = cvtToDependent((char*)pre,dir,(char*)__PHYSFS_smallAlloc(len),len); \ +} + + + +static void *DIR_openArchive(PHYSFS_Io *io, const char *name, + int forWriting, int *claimed) +{ + PHYSFS_Stat st; + const char dirsep = __PHYSFS_platformDirSeparator; + char *retval = NULL; + const size_t namelen = strlen(name); + const size_t seplen = 1; + + assert(io == NULL); /* shouldn't create an Io for these. */ + BAIL_IF_ERRPASS(!__PHYSFS_platformStat(name, &st, 1), NULL); + + if (st.filetype != PHYSFS_FILETYPE_DIRECTORY) + BAIL(PHYSFS_ERR_UNSUPPORTED, NULL); + + *claimed = 1; + retval = allocator.Malloc(namelen + seplen + 1); + BAIL_IF(retval == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL); + + strcpy(retval, name); + + /* make sure there's a dir separator at the end of the string */ + if (retval[namelen - 1] != dirsep) + { + retval[namelen] = dirsep; + retval[namelen + 1] = '\0'; + } /* if */ + + return retval; +} /* DIR_openArchive */ + + +static PHYSFS_EnumerateCallbackResult DIR_enumerate(void *opaque, + const char *dname, PHYSFS_EnumerateCallback cb, + const char *origdir, void *callbackdata) +{ + char *d; + PHYSFS_EnumerateCallbackResult retval; + CVT_TO_DEPENDENT(d, opaque, dname); + BAIL_IF_ERRPASS(!d, PHYSFS_ENUM_ERROR); + retval = __PHYSFS_platformEnumerate(d, cb, origdir, callbackdata); + __PHYSFS_smallFree(d); + return retval; +} /* DIR_enumerate */ + + +static PHYSFS_Io *doOpen(void *opaque, const char *name, const int mode) +{ + PHYSFS_Io *io = NULL; + char *f = NULL; + + CVT_TO_DEPENDENT(f, opaque, name); + BAIL_IF_ERRPASS(!f, NULL); + + io = __PHYSFS_createNativeIo(f, mode); + if (io == NULL) + { + const PHYSFS_ErrorCode err = PHYSFS_getLastErrorCode(); + PHYSFS_Stat statbuf; + __PHYSFS_platformStat(f, &statbuf, 0); /* !!! FIXME: why are we stating here? */ + PHYSFS_setErrorCode(err); + } /* if */ + + __PHYSFS_smallFree(f); + + return io; +} /* doOpen */ + + +static PHYSFS_Io *DIR_openRead(void *opaque, const char *filename) +{ + return doOpen(opaque, filename, 'r'); +} /* DIR_openRead */ + + +static PHYSFS_Io *DIR_openWrite(void *opaque, const char *filename) +{ + return doOpen(opaque, filename, 'w'); +} /* DIR_openWrite */ + + +static PHYSFS_Io *DIR_openAppend(void *opaque, const char *filename) +{ + return doOpen(opaque, filename, 'a'); +} /* DIR_openAppend */ + + +static int DIR_remove(void *opaque, const char *name) +{ + int retval; + char *f; + + CVT_TO_DEPENDENT(f, opaque, name); + BAIL_IF_ERRPASS(!f, 0); + retval = __PHYSFS_platformDelete(f); + __PHYSFS_smallFree(f); + return retval; +} /* DIR_remove */ + + +static int DIR_mkdir(void *opaque, const char *name) +{ + int retval; + char *f; + + CVT_TO_DEPENDENT(f, opaque, name); + BAIL_IF_ERRPASS(!f, 0); + retval = __PHYSFS_platformMkDir(f); + __PHYSFS_smallFree(f); + return retval; +} /* DIR_mkdir */ + + +static void DIR_closeArchive(void *opaque) +{ + allocator.Free(opaque); +} /* DIR_closeArchive */ + + +static int DIR_stat(void *opaque, const char *name, PHYSFS_Stat *stat) +{ + int retval = 0; + char *d; + + CVT_TO_DEPENDENT(d, opaque, name); + BAIL_IF_ERRPASS(!d, 0); + retval = __PHYSFS_platformStat(d, stat, 0); + __PHYSFS_smallFree(d); + return retval; +} /* DIR_stat */ + + +const PHYSFS_Archiver __PHYSFS_Archiver_DIR = +{ + CURRENT_PHYSFS_ARCHIVER_API_VERSION, + { + "", + "Non-archive, direct filesystem I/O", + "Ryan C. Gordon <icculus@icculus.org>", + "https://icculus.org/physfs/", + 1, /* supportsSymlinks */ + }, + DIR_openArchive, + DIR_enumerate, + DIR_openRead, + DIR_openWrite, + DIR_openAppend, + DIR_remove, + DIR_mkdir, + DIR_stat, + DIR_closeArchive +}; + +/* end of physfs_archiver_dir.c ... */ + |