--- /dev/null
+/*
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "physfs.h"
+
+#define __PHYSICSFS_INTERNAL__
+#include "physfs_internal.h"
+
+static PHYSFS_sint64 DIR_read(fvoid *opaque, void *buffer,
+ PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
+{
+ PHYSFS_sint64 retval;
+ retval = __PHYSFS_platformRead(opaque, buffer, objSize, objCount);
+ return(retval);
+} /* DIR_read */
+
+
+static PHYSFS_sint64 DIR_write(fvoid *opaque, const void *buffer,
+ PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
+{
+ PHYSFS_sint64 retval;
+ retval = __PHYSFS_platformWrite(opaque, buffer, objSize, objCount);
+ return(retval);
+} /* DIR_write */
+
+
+static int DIR_eof(fvoid *opaque)
+{
+ return(__PHYSFS_platformEOF(opaque));
+} /* DIR_eof */
+
+
+static PHYSFS_sint64 DIR_tell(fvoid *opaque)
+{
+ return(__PHYSFS_platformTell(opaque));
+} /* DIR_tell */
+
+
+static int DIR_seek(fvoid *opaque, PHYSFS_uint64 offset)
+{
+ return(__PHYSFS_platformSeek(opaque, offset));
+} /* DIR_seek */
+
+
+static PHYSFS_sint64 DIR_fileLength(fvoid *opaque)
+{
+ return(__PHYSFS_platformFileLength(opaque));
+} /* DIR_fileLength */
+
+
+static int DIR_fileClose(fvoid *opaque)
+{
+ /*
+ * we manually flush the buffer, since that's the place a close will
+ * most likely fail, but that will leave the file handle in an undefined
+ * state if it fails. Flush failures we can recover from.
+ */
+ BAIL_IF_MACRO(!__PHYSFS_platformFlush(opaque), NULL, 0);
+ BAIL_IF_MACRO(!__PHYSFS_platformClose(opaque), NULL, 0);
+ return(1);
+} /* DIR_fileClose */
+
+
+static int DIR_isArchive(const char *filename, int forWriting)
+{
+ /* directories ARE archives in this driver... */
+ return(__PHYSFS_platformIsDirectory(filename));
+} /* DIR_isArchive */
+
+
+static void *DIR_openArchive(const char *name, int forWriting)
+{
+ const char *dirsep = PHYSFS_getDirSeparator();
+ char *retval = NULL;
+ size_t namelen = strlen(name);
+ size_t seplen = strlen(dirsep);
+
+ /* !!! FIXME: when is this not called right before openArchive? */
+ BAIL_IF_MACRO(!DIR_isArchive(name, forWriting),
+ ERR_UNSUPPORTED_ARCHIVE, 0);
+
+ retval = allocator.Malloc(namelen + seplen + 1);
+ BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
+
+ /* make sure there's a dir separator at the end of the string */
+ strcpy(retval, name);
+ if (strcmp((name + namelen) - seplen, dirsep) != 0)
+ strcat(retval, dirsep);
+
+ return(retval);
+} /* DIR_openArchive */
+
+
+static void DIR_enumerateFiles(dvoid *opaque, const char *dname,
+ int omitSymLinks, PHYSFS_EnumFilesCallback cb,
+ const char *origdir, void *callbackdata)
+{
+ char *d = __PHYSFS_platformCvtToDependent((char *)opaque, dname, NULL);
+ if (d != NULL)
+ {
+ __PHYSFS_platformEnumerateFiles(d, omitSymLinks, cb,
+ origdir, callbackdata);
+ allocator.Free(d);
+ } /* if */
+} /* DIR_enumerateFiles */
+
+
+static int DIR_exists(dvoid *opaque, const char *name)
+{
+ char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
+ int retval;
+
+ BAIL_IF_MACRO(f == NULL, NULL, 0);
+ retval = __PHYSFS_platformExists(f);
+ allocator.Free(f);
+ return(retval);
+} /* DIR_exists */
+
+
+static int DIR_isDirectory(dvoid *opaque, const char *name, int *fileExists)
+{
+ char *d = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
+ int retval = 0;
+
+ BAIL_IF_MACRO(d == NULL, NULL, 0);
+ *fileExists = __PHYSFS_platformExists(d);
+ if (*fileExists)
+ retval = __PHYSFS_platformIsDirectory(d);
+ allocator.Free(d);
+ return(retval);
+} /* DIR_isDirectory */
+
+
+static int DIR_isSymLink(dvoid *opaque, const char *name, int *fileExists)
+{
+ char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
+ int retval = 0;
+
+ BAIL_IF_MACRO(f == NULL, NULL, 0);
+ *fileExists = __PHYSFS_platformExists(f);
+ if (*fileExists)
+ retval = __PHYSFS_platformIsSymLink(f);
+ allocator.Free(f);
+ return(retval);
+} /* DIR_isSymLink */
+
+
+static PHYSFS_sint64 DIR_getLastModTime(dvoid *opaque,
+ const char *name,
+ int *fileExists)
+{
+ char *d = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
+ PHYSFS_sint64 retval = -1;
+
+ BAIL_IF_MACRO(d == NULL, NULL, 0);
+ *fileExists = __PHYSFS_platformExists(d);
+ if (*fileExists)
+ retval = __PHYSFS_platformGetLastModTime(d);
+ allocator.Free(d);
+ return(retval);
+} /* DIR_getLastModTime */
+
+
+static fvoid *doOpen(dvoid *opaque, const char *name,
+ void *(*openFunc)(const char *filename),
+ int *fileExists)
+{
+ char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
+ void *rc = NULL;
+
+ BAIL_IF_MACRO(f == NULL, NULL, NULL);
+
+ if (fileExists != NULL)
+ {
+ *fileExists = __PHYSFS_platformExists(f);
+ if (!(*fileExists))
+ {
+ allocator.Free(f);
+ return(NULL);
+ } /* if */
+ } /* if */
+
+ rc = openFunc(f);
+ allocator.Free(f);
+
+ return((fvoid *) rc);
+} /* doOpen */
+
+
+static fvoid *DIR_openRead(dvoid *opaque, const char *fnm, int *exist)
+{
+ return(doOpen(opaque, fnm, __PHYSFS_platformOpenRead, exist));
+} /* DIR_openRead */
+
+
+static fvoid *DIR_openWrite(dvoid *opaque, const char *filename)
+{
+ return(doOpen(opaque, filename, __PHYSFS_platformOpenWrite, NULL));
+} /* DIR_openWrite */
+
+
+static fvoid *DIR_openAppend(dvoid *opaque, const char *filename)
+{
+ return(doOpen(opaque, filename, __PHYSFS_platformOpenAppend, NULL));
+} /* DIR_openAppend */
+
+
+static int DIR_remove(dvoid *opaque, const char *name)
+{
+ char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
+ int retval;
+
+ BAIL_IF_MACRO(f == NULL, NULL, 0);
+ retval = __PHYSFS_platformDelete(f);
+ allocator.Free(f);
+ return(retval);
+} /* DIR_remove */
+
+
+static int DIR_mkdir(dvoid *opaque, const char *name)
+{
+ char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
+ int retval;
+
+ BAIL_IF_MACRO(f == NULL, NULL, 0);
+ retval = __PHYSFS_platformMkDir(f);
+ allocator.Free(f);
+ return(retval);
+} /* DIR_mkdir */
+
+
+static void DIR_dirClose(dvoid *opaque)
+{
+ allocator.Free(opaque);
+} /* DIR_dirClose */
+
+
+
+const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_DIR =
+{
+ "",
+ DIR_ARCHIVE_DESCRIPTION,
+ "Ryan C. Gordon <icculus@icculus.org>",
+ "http://icculus.org/physfs/",
+};
+
+
+
+const PHYSFS_Archiver __PHYSFS_Archiver_DIR =
+{
+ &__PHYSFS_ArchiveInfo_DIR,
+ DIR_isArchive, /* isArchive() method */
+ DIR_openArchive, /* openArchive() method */
+ DIR_enumerateFiles, /* enumerateFiles() method */
+ DIR_exists, /* exists() method */
+ DIR_isDirectory, /* isDirectory() method */
+ DIR_isSymLink, /* isSymLink() method */
+ DIR_getLastModTime, /* getLastModTime() method */
+ DIR_openRead, /* openRead() method */
+ DIR_openWrite, /* openWrite() method */
+ DIR_openAppend, /* openAppend() method */
+ DIR_remove, /* remove() method */
+ DIR_mkdir, /* mkdir() method */
+ DIR_dirClose, /* dirClose() method */
+ DIR_read, /* read() method */
+ DIR_write, /* write() method */
+ DIR_eof, /* eof() method */
+ DIR_tell, /* tell() method */
+ DIR_seek, /* seek() method */
+ DIR_fileLength, /* fileLength() method */
+ DIR_fileClose /* fileClose() method */
+};
+
+/* end of dir.c ... */
+
projects / physicsfs / blobdiff