*misc

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 ... */
+