Initial add. Ways to go.

Makefile

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+#-----------------------------------------------------------------------------#
+# PhysicsFS -- A filesystem abstraction.
+#
+#  Please see the file LICENSE in the source's root directory.
+#   This file written by Ryan C. Gordon.
+#-----------------------------------------------------------------------------#
+
+
+#-----------------------------------------------------------------------------#
+# Makefile for building PhysicsFS on Unix-like systems. Follow the
+#  instructions for editing this file, then run "make" on the command line.
+#-----------------------------------------------------------------------------#
+
+
+#-----------------------------------------------------------------------------#
+# Set to your liking.
+#-----------------------------------------------------------------------------#
+CC = gcc
+LINKER = gcc
+
+
+#-----------------------------------------------------------------------------#
+# If this makefile fails to detect Cygwin correctly, or you want to force
+#  the build process's behaviour, set it to "true" or "false" (w/o quotes).
+#-----------------------------------------------------------------------------#
+#cygwin := true
+#cygwin := false
+cygwin := autodetect
+
+#-----------------------------------------------------------------------------#
+# Set this to true if you want to create a debug build.
+#-----------------------------------------------------------------------------#
+#debugging := false
+debugging := true
+
+#-----------------------------------------------------------------------------#
+# Set the archive types you'd like to support.
+#  Note that various archives may need external libraries.
+#-----------------------------------------------------------------------------#
+use_archive_zip := false
+
+#-----------------------------------------------------------------------------#
+# Set to "true" if you'd like to build a DLL. Set to "false" otherwise.
+#-----------------------------------------------------------------------------#
+#build_dll := false
+build_dll := true
+
+
+#-----------------------------------------------------------------------------#
+# Set one of the below. Currently, none of these are used.
+#-----------------------------------------------------------------------------#
+#use_asm = -DUSE_I386_ASM
+use_asm = -DUSE_PORTABLE_C
+
+
+#-----------------------------------------------------------------------------#
+#-----------------------------------------------------------------------------#
+#-----------------------------------------------------------------------------#
+#-----------------------------------------------------------------------------#
+# Everything below this line is probably okay.
+#-----------------------------------------------------------------------------#
+#-----------------------------------------------------------------------------#
+#-----------------------------------------------------------------------------#
+#-----------------------------------------------------------------------------#
+
+
+#-----------------------------------------------------------------------------#
+# CygWin autodetect.
+#-----------------------------------------------------------------------------#
+
+ifeq ($(strip $(cygwin)),autodetect)
+  ifneq ($(strip $(shell gcc -v 2>&1 |grep "cygwin")),)
+    cygwin := true
+  else
+    cygwin := false
+  endif
+endif
+
+
+#-----------------------------------------------------------------------------#
+# Platform-specific binary stuff.
+#-----------------------------------------------------------------------------#
+
+ifeq ($(strip $(cygwin)),true)
+  # !!! FIXME
+  build_dll := false
+  # !!! FIXME
+
+  ASM = nasmw
+  EXE_EXT = .exe
+  DLL_EXT = .dll
+  STATICLIB_EXT = .a
+  ASMOBJFMT = win32
+  ASMDEFS = -dC_IDENTIFIERS_UNDERSCORED
+  CFLAGS += -DC_IDENTIFIERS_UNDERSCORED
+else
+  ASM = nasm
+  EXE_EXT =
+  DLL_EXT = .so
+  STATICLIB_EXT = .a
+  ASMOBJFMT = elf
+endif
+
+ifeq ($(strip $(build_dll)),true)
+LIB_EXT := $(DLL_EXT)
+LDFLAGS += -shared
+else
+LIB_EXT := $(STATICLIB_EXT)
+endif
+
+#-----------------------------------------------------------------------------#
+# General compiler, assembler, and linker flags.
+#-----------------------------------------------------------------------------#
+
+BINDIR := bin
+SRCDIR := .
+
+CFLAGS += $(use_asm) -I$(SRCDIR) -D_REENTRANT -fsigned-char -DPLATFORM_UNIX
+CFLAGS += -Wall -Werror -fno-exceptions -fno-rtti -ansi -pendantic
+
+LDFLAGS += -lm
+
+ifeq ($(strip $(debugging)),true)
+  CFLAGS += -DDEBUG -g -fno-omit-frame-pointer
+  LDFLAGS += -g -fno-omit-frame-pointer
+else
+  CFLAGS += -DNDEBUG -O2 -fomit-frame-pointer
+  LDFLAGS += -O2 -fomit-frame-pointer
+endif
+
+ASMFLAGS := -f $(ASMOBJFMT) $(ASMDEFS)
+
+
+#-----------------------------------------------------------------------------#
+# Source and target names.
+#-----------------------------------------------------------------------------#
+
+BASELIBNAME := physfs
+MAINLIB := $(BINDIR)/$(strip $(BASELIBNAME))$(strip $(LIB_EXT))
+
+MAINSRCS := physfs.c unix.c dir.c
+
+ifeq ($(strip $(use_archive_zip)),true)
+MAINSRCS += zip.c
+CFLAGS += -DPHYSFS_SUPPORTS_ZIP
+endif
+
+# Rule for getting list of objects from source
+MAINOBJS1 := $(MAINSRCS:.c=.o)
+MAINOBJS2 := $(MAINOBJS1:.cpp=.o)
+MAINOBJS3 := $(MAINOBJS2:.asm=.o)
+
+MAINOBJS := $(foreach f,$(MAINOBJS3),$(BINDIR)/$(f))
+MAINSRCS := $(foreach f,$(MAINSRCS),$(SRCDIR)/$(f))
+
+CLEANUP = $(wildcard *.exe) $(wildcard *.obj) \
+          $(wildcard $(BINDIR)/*.exe) $(wildcard $(BINDIR)/*.obj) \
+          $(wildcard *~) $(wildcard *.err) \
+          $(wildcard .\#*) core
+
+
+#-----------------------------------------------------------------------------#
+# Rules.
+#-----------------------------------------------------------------------------#
+
+# Rules for turning source files into .o files
+$(BINDIR)/%.o: $(SRCDIR)/%.cpp
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+$(BINDIR)/%.o: $(SRCDIR)/%.c
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+$(BINDIR)/%.o: $(SRCDIR)/%.asm
+	$(ASM) $(ASMFLAGS) -o $@ $<
+
+.PHONY: all clean listobjs
+
+all: $(BINDIR) $(MAINLIB)
+
+$(MAINLIB) : $(BINDIR) $(MAINOBJS)
+	$(LINKER) -o $(MAINLIB) $(LDFLAGS) $(MAINOBJS)
+
+$(BINDIR):
+	mkdir -p $(BINDIR)
+
+clean:
+	rm -f $(CLEANUP)
+	rm -rf $(BINDIR)
+
+listobjs:
+	@echo SOURCES:
+	@echo $(MAINSRCS)
+	@echo
+	@echo OBJECTS:
+	@echo $(MAINOBJS)
+	@echo
+	@echo BINARIES:
+	@echo $(MAINLIB)
+
+showcfg:
+	@echo "Using CygWin   : $(cygwin)"
+	@echo "Debugging      : $(debugging)"
+	@echo "ASM flag       : $(use_asm)"
+	@echo "Building DLLs  : $(build_dll)"
+	@echo "Supports .ZIP  : $(use_archive_zip)"
+
+#-----------------------------------------------------------------------------#
+# This section is pretty much just for Ryan's use to make distributions.
+#  You Probably Should Not Touch.
+#-----------------------------------------------------------------------------#
+
+# These are the files needed in a binary distribution, regardless of what
+#  platform is being used.
+BINSCOMMON := LICENSE.TXT physfs.h
+
+.PHONY: package msbins win32bins nocygwin
+package: clean
+	cd .. ; zip -9rz ./physfs-src-$(shell date +%m%d%Y).zip physfs -x "*CVS*" < physfs/FILEID.DIZ
+
+
+ifeq ($(strip $(cygwin)),true)
+msbins: win32bins
+
+win32bins: clean all
+	echo -e "\r\n\r\n\r\nHEY YOU.\r\n\r\n\r\nTake a look at README-win32bins.txt FIRST.\r\n\r\n\r\n--ryan. (icculus@linuxgames.com)\r\n\r\n" |zip -9rz ../physfs-win32bins-$(shell date +%m%d%Y).zip $(MAINLIB) $(EXTRAPACKAGELIBS) README-win32bins.txt
+
+else
+
+msbins: nocygwin
+win32bins: nocygwin
+
+nocygwin:
+	@echo This must be done on a Windows box in the Cygwin environment.
+
+endif
+
+#-----------------------------------------------------------------------------#
+# That's all, folks.
+#-----------------------------------------------------------------------------#
+
+# end of Makefile ...

dir.c

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+/*
+ * Standard directory I/O support routines for PhysicsFS.
+ *
+ * Please see the file LICENSE in the source's root directory.
+ *
+ *  This file written by Ryan C. Gordon.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define __PHYSICSFS_INTERNAL__
+#include "physfs_internal.h"
+
+/* template for filehandles. */
+const FileHandle __PHYSFS_FileHandle_DIR =
+{
+    NULL,       /* opaque         */
+    NULL,       /* dirReader      */
+    DIR_read,   /* read() method  */
+    NULL,       /* write() method */
+    DIR_eof,    /* eof() method   */
+    DIR_tell,   /* tell() method  */
+    DIR_seek,   /* seek() method  */
+    DIR_close,  /* close() method */
+};
+
+/* template for directories. */
+const DirReader __PHYSFS_DirReader_DIR =
+{
+    NULL,              /* opaque                  */
+    DIR_enumerate,     /* enumerateFiles() method */
+    DIR_isDirectory,   /* isDirectory() method    */
+    DIR_isSymLink,     /* isSymLink() method      */
+    DIR_isOpenable,    /* isOpenable() method     */
+    DIR_openRead,      /* openRead() method       */
+    DIR_dirClose,      /* close() method          */
+};
+
+
+/* This doesn't get listed, since it's technically not an archive... */
+#if 0
+const __PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_DIR =
+{
+    "DIR",
+    "non-archive directory I/O"
+};
+#endif
+
+/* end of dir.c ... */
+

physfs_internal.h

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+/*
+ * Internal function/structure declaration. Do NOT include in your
+ *  application.
+ *
+ * Please see the file LICENSE in the source's root directory.
+ *
+ *  This file written by Ryan C. Gordon.
+ */
+
+#ifndef _INCLUDE_PHYSFS_INTERNAL_H_
+#define _INCLUDE_PHYSFS_INTERNAL_H_
+
+#ifndef __PHYSICSFS_INTERNAL__
+#error Do not include this header from your applications.
+#endif
+
+struct __PHYSFS_DIRREADER__;
+
+typedef struct __PHYSFS_FILEHANDLE__
+{
+        /*
+         * This is reserved for the driver to store information.
+         */
+    void *opaque;
+
+        /*
+         * This should be the DirReader that created this FileHandle.
+         */
+    struct __PHYSFS_DIRREADER__ *dirReader;
+
+        /*
+         * Read more from the file.
+         */
+    int (*read)(struct __PHYSFS_FILEHANDLE__ *handle, void *buffer,
+                unsigned int objSize, unsigned int objCount);
+
+        /*
+         * Write more to the file. Archives don't have to implement this.
+         *  (Set it to NULL if not implemented).
+         */
+    int (*write)(struct __PHYSFS_FILEHANDLE__ *handle, void *buffer,
+                 unsigned int objSize, unsigned int objCount);
+
+        /*
+         * Returns non-zero if at end of file.
+         */
+    int (*eof)(struct __PHYSFS_FILEHANDLE__ *handle);
+
+        /*
+         * Returns byte offset from start of file.
+         */
+    int (*tell)(struct __PHYSFS_FILEHANDLE__ *handle);
+
+        /*
+         * Move read/write pointer to byte offset from start of file.
+         *  Returns non-zero on success, zero on error.
+         */
+    int (*seek)(struct __PHYSFS_FILEHANDLE__ *handle, int offset);
+
+        /*
+         * Close the file, and free this structure (including "opaque").
+         */
+    int (*close)(void);
+} FileHandle;
+
+
+typedef struct __PHYSFS_DIRREADER__
+{
+        /*
+         * This is reserved for the driver to store information.
+         */
+    void *opaque;
+
+        /*
+         * Returns a list (freeable via PHYSFS_freeList()) of
+         *  all files in dirname.
+         *  Symlinks should be followed.
+         */
+    char **(*enumerateFiles)(struct __PHYSFS_DIRREADER__ *r, const char *dirname);
+
+        /*
+         * Returns non-zero if filename is really a directory.
+         *  Symlinks should be followed.
+         */
+    int (*isDirectory)(struct __PHYSFS_DIRREADER__ *r, const char *name);
+
+        /*
+         * Returns non-zero if filename is really a symlink.
+         */
+    int (*isSymLink)(struct __PHYSFS_DIRREADER__ *r, const char *name);
+
+        /*
+         * Returns non-zero if filename can be opened for reading.
+         *  Symlinks should be followed.
+         */
+    int (*isOpenable)(struct __PHYSFS_DIRREADER__ *r, const char *name);
+
+        /*
+         * Open file for reading, and return a FileHandle.
+         *  Symlinks should be followed.
+         */
+    FileHandle *(*openRead)(struct __PHYSFS_DIRREADER__ *r, const char *filename);
+
+        /*
+         * Close directories/archives, and free this structure, including
+         *  the "opaque" entry. This should assume that it won't be called if
+         *  there are still files open from this DirReader.
+         */
+    void (*close)(struct __PHYSFS_DIRREADER__ *r);
+} DirReader;
+
+
+/* error messages... */
+#define ERR_IS_INITIALIZED       "Already initialized"
+#define ERR_NOT_INITIALIZED      "Not initialized"
+#define ERR_INVALID_ARGUMENT     "Invalid argument"
+#define ERR_FILES_OPEN_WRITE     "Files still open for writing"
+#define ERR_NO_DIR_CREATE        "Failed to create directories"
+#define ERR_OUT_OF_MEMORY        "Out of memory"
+#define ERR_NOT_IN_SEARCH_PATH   "No such entry in search path"
+#define ERR_NOT_SUPPORTED        "Operation not supported"
+
+
+/*
+ * Call this to set the message returned by PHYSFS_getLastError().
+ *  Please only use the ERR_* constants above, or add new constants to the
+ *  above group, but I want these all in one place.
+ */
+void __PHYSFS_setError(const char *err);
+
+
+/* This gets used all over for lessening code clutter. */
+#define BAIL_IF_MACRO(c, e, r) if (c) { __PHYSFS_setError(e); return(r); }
+
+
+
+
+/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
+/*------------                                              ----------------*/
+/*------------  You MUST implement the following functions  ----------------*/
+/*------------        if porting to a new platform.         ----------------*/
+/*------------         (see unix.c for an example)          ----------------*/
+/*------------                                              ----------------*/
+/*--------------------------------------------------------------------------*/
+/*--------------------------------------------------------------------------*/
+
+
+/*
+ * The dir separator; "/" on unix, "\\" on win32, ":" on MacOS, etc...
+ *  Obviously, this isn't a function, but it IS a null-terminated string.
+ */
+extern const char *__PHYSFS_PlatformDirSeparator;
+
+/*
+ * Platform implementation of PHYSFS_getCdRomDirs()...
+ *  See physfs.h. The retval should be freeable via PHYSFS_freeList().
+ */
+char **__PHYSFS_platformDetectAvailableCDs(void);
+
+/*
+ * Calculate the base dir, if your platform needs special consideration.
+ *  Just return NULL if the standard routines will suffice. (see
+ *  calculateBaseDir() in physfs.c ...)
+ *  Caller will free() the retval if it's not NULL.
+ */
+char *__PHYSFS_platformCalcBaseDir(char *argv0);
+
+/*
+ * Get the platform-specific user name.
+ *  Caller will free() the retval if it's not NULL. If it's NULL, the username
+ *  will default to "default".
+ */
+char *__PHYSFS_platformGetUserName(void);
+
+/*
+ * Get the platform-specific user dir.
+ *  Caller will free() the retval if it's not NULL. If it's NULL, the userdir
+ *  will default to basedir/username.
+ */
+char *__PHYSFS_platformGetUserDir(void);
+
+/*
+ * Return a number that uniquely identifies the current thread.
+ *  On a platform without threading, (1) will suffice. These numbers are
+ *  arbitrary; the only requirement is that no two threads have the same
+ *  number.
+ */
+int __PHYSFS_platformGetThreadID(void);
+
+/*
+ * This is a pass-through to whatever stricmp() is called on your platform.
+ */
+int __PHYSFS_platformStricmp(const char *str1, const char *str2);
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#endif
+
+/* end of physfs_internal.h ... */
+

zip.c

@@ -0,0 +1,47 @@
+/*
+ * ZIP support routines for PhysicsFS.
+ *
+ * Please see the file LICENSE in the source's root directory.
+ *
+ *  This file written by Ryan C. Gordon.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define __PHYSICSFS_INTERNAL__
+#include "physfs_internal.h"
+
+/* template for filehandles. */
+const FileHandle __PHYSFS_FileHandle_ZIP =
+{
+    NULL,       /* opaque         */
+    NULL,       /* dirReader      */
+    ZIP_read,   /* read() method  */
+    NULL,       /* write() method */
+    ZIP_eof,    /* eof() method   */
+    ZIP_tell,   /* tell() method  */
+    ZIP_seek,   /* seek() method  */
+    ZIP_close,  /* close() method */
+};
+
+/* template for directories. */
+const DirReader __PHYSFS_DirReader_ZIP =
+{
+    NULL,              /* opaque                  */
+    ZIP_enumerate,     /* enumerateFiles() method */
+    ZIP_isDirectory,   /* isDirectory() method    */
+    ZIP_isSymLink,     /* isSymLink() method      */
+    ZIP_isOpenable,    /* isOpenable() method     */
+    ZIP_openRead,      /* openRead() method       */
+    ZIP_dirClose,      /* close() method          */
+};
+
+const __PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_ZIP =
+{
+    "ZIP",
+    "PkZip/WinZip/Info-Zip compatible"
+};
+
+/* end of zip.c ... */
+