*: initial commit of stripped schism stuff

Forking schism tracker's IT playback stuff into a little playback
library for embedding in demos.

1 files changed, 250 insertions, 0 deletions

diff --git a/src/include/headers.h b/src/include/headers.h
new file mode 100644
index 0000000..32e0d42
--- /dev/null
+++ b/src/include/headers.h
@@ -0,0 +1,250 @@
+/*
+ * Schism Tracker - a cross-platform Impulse Tracker clone
+ * copyright (c) 2003-2005 Storlek <storlek@rigelseven.com>
+ * copyright (c) 2005-2008 Mrs. Brisby <mrs.brisby@nimh.org>
+ * copyright (c) 2009 Storlek & Mrs. Brisby
+ * copyright (c) 2010-2012 Storlek
+ * URL: http://schismtracker.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __headers_h
+#define __headers_h
+/* This is probably overkill, but it's consistent this way. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Some stuff was conditionally included only for files that need it, but really it's not like defining
+bswapLE32 or including sys/time.h adversely affects compilation time. This isn't some xboxhueg project
+that takes hours to build, these are little silly overoptimizations, and it's just troublesome to try
+to work out what order headers are supposed to be processed so that all the other files pick up the bits
+of headers.h that they need (song_t, I'm looking at you)
+Eventually I'll do some housekeeping with the headers and get rid of all these silly NEED_*'s, but this
+will do for now. */
+#define NEED_BYTESWAP
+#define NEED_TIME
+#define NEED_DIRENT
+
+
+#include <stdio.h>
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#include <stdarg.h>
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#include <stdint.h>
+
+
+/* Portability is a pain. */
+#if STDC_HEADERS
+# include <string.h>
+#else
+# ifndef HAVE_STRCHR
+#  define strchr index
+#  define strrchr rindex
+# endif
+char *strchr(), *strrchr();
+# ifndef HAVE_MEMMOVE
+#  define memcpy(d, s, n) bcopy ((s), (d), (n))
+#  define memmove(d, s, n) bcopy ((s), (d), (n))
+# endif
+#endif
+
+#if !defined(HAVE_STRCASECMP) && defined(HAVE_STRICMP)
+# define strcasecmp stricmp
+#endif
+#if !defined(HAVE_STRNCASECMP) && defined(HAVE_STRNICMP)
+# define strncasecmp strnicmp
+#endif
+#ifndef HAVE_STRVERSCMP
+# define strverscmp strcasecmp
+#endif
+#ifndef HAVE_STRCASESTR
+# define strcasestr strstr // derp
+#endif
+
+#if HAVE_UNISTD_H
+# include <sys/types.h>
+# include <unistd.h>
+#endif
+
+
+#ifdef NEED_DIRENT
+# if HAVE_DIRENT_H
+#  include <dirent.h>
+#  ifndef _D_EXACT_NAMLEN
+#   define _D_EXACT_NAMLEN(dirent) strlen((dirent)->d_name)
+#  endif
+# else
+#  define dirent direct
+#  ifndef _D_EXACT_NAMLEN
+#   define _D_EXACT_NAMLEN(dirent) strlen((dirent)->d_name)
+#  endif
+#  if HAVE_SYS_NDIR_H
+#   include <sys/ndir.h>
+#  endif
+#  if HAVE_SYS_DIR_H
+#   include <sys/dir.h>
+#  endif
+#  if HAVE_NDIR_H
+#   include <ndir.h>
+#  endif
+# endif
+#endif
+
+/* dumb workaround for dumb devkitppc bug */
+#ifdef GEKKO
+# undef NAME_MAX
+# undef PATH_MAX
+#endif
+
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+#ifndef NAME_MAX
+# ifdef MAXPATHLEN
+#  define NAME_MAX MAXPATHLEN /* BSD name */
+# else
+#  ifdef FILENAME_MAX
+#   define NAME_MAX FILENAME_MAX
+#  else
+#   define NAME_MAX 256
+#  endif
+# endif
+#endif
+
+
+#ifdef NEED_TIME
+# if TIME_WITH_SYS_TIME
+#  include <sys/time.h>
+#  include <time.h>
+# else
+#  if HAVE_SYS_TIME_H
+#   include <sys/time.h>
+#  else
+#   include <time.h>
+#  endif
+# endif
+# ifndef timersub
+// from FreeBSD
+#  define timersub(tvp, uvp, vvp)                                       \
+	do {                                                            \
+		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;          \
+		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;       \
+		if ((vvp)->tv_usec < 0) {                               \
+			(vvp)->tv_sec--;                                \
+			(vvp)->tv_usec += 1000000;                      \
+		}                                                       \
+	} while (0)
+# endif
+#endif
+
+#ifdef REALLY_BIG_ENDIAN
+#ifndef WORDS_BIGENDIAN
+#define WORDS_BIGENDIAN 1
+#endif
+#endif
+
+#ifdef NEED_BYTESWAP
+# if HAVE_BYTESWAP_H
+/* byteswap.h uses inline assembly if possible (faster than bit-shifting) */
+#  include <byteswap.h>
+# else
+#  define bswap_32(x) (((((unsigned int)x) & 0xFF) << 24) | ((((unsigned int)x) & 0xFF00) << 8) \
+		       | (((((unsigned int)x) & 0xFF0000) >> 8) & 0xFF00) \
+		       | ((((((unsigned int)x) & 0xFF000000) >> 24)) & 0xFF))
+#  define bswap_16(x) (((((unsigned short)x) >> 8) & 0xFF) | ((((unsigned short)x) << 8) & 0xFF00))
+# endif
+/* define the endian-related byte swapping (taken from libmodplug sndfile.h, glibc, and sdl) */
+# if defined(ARM) && defined(_WIN32_WCE)
+/* I have no idea what this does, but okay :) */
+
+/* This forces integer operations to only occur on aligned
+   addresses. -mrsb */
+static inline unsigned short int ARM_get16(const void *data)
+{
+	unsigned short int s;
+	memcpy(&s,data,sizeof(s));
+	return s;
+}
+static inline unsigned int ARM_get32(const void *data)
+{
+	unsigned int s;
+	memcpy(&s,data,sizeof(s));
+	return s;
+}
+#  define bswapLE16(x) ARM_get16(&x)
+#  define bswapLE32(x) ARM_get32(&x)
+#  define bswapBE16(x) bswap_16(ARM_get16(&x))
+#  define bswapBE32(x) bswap_32(ARM_get32(&x))
+# elif WORDS_BIGENDIAN
+#  define bswapLE16(x) bswap_16(x)
+#  define bswapLE32(x) bswap_32(x)
+#  define bswapBE16(x) (x)
+#  define bswapBE32(x) (x)
+# else
+#  define bswapBE16(x) bswap_16(x)
+#  define bswapBE32(x) bswap_32(x)
+#  define bswapLE16(x) (x)
+#  define bswapLE32(x) (x)
+# endif
+#endif
+
+/* Prototypes for replacement functions */
+
+#ifndef HAVE_ASPRINTF
+int asprintf(char **strp, const char *fmt, ...);
+#endif
+#ifndef HAVE_VASPRINTF
+int vasprintf(char **strp, const char *fmt, va_list ap);
+#endif
+#ifdef NEED_TIME
+# ifndef HAVE_STRPTIME
+char *strptime(const char *buf, const char *fmt, struct tm *tm);
+# endif
+# ifdef WIN32
+struct tm *localtime_r(const time_t *timep, struct tm *result);
+# endif
+#endif
+#ifndef HAVE_MKSTEMP
+int mkstemp(char *template);
+#endif
+
+#ifdef __APPLE_CC__
+#define MACOSX  1
+#endif
+
+/* Various other stuff */
+#ifdef WIN32
+# define mkdir(path,mode) mkdir(path)
+# define setenv(a,b,c) /* stupid windows */
+# define fsync _commit
+#endif
+
+#define INT_SHAPED_PTR(v)               ((intptr_t)(((void*)(v))))
+#define PTR_SHAPED_INT(i)               ((void*)i)
+
+#endif
+