/**

* MojoSetup; a portable, flexible installation application.

*

* Please see the file LICENSE.txt in the source's root directory.

*

* This file written by Ryan C. Gordon.

*/

#ifndef _INCL_UNIVERSAL_H_

#define _INCL_UNIVERSAL_H_

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

// and some others...

#include <assert.h>

// Windows system headers conflict with MojoSetup typedefs, so chop out

// all the massive and unnecessary dependencies that windows.h pulls in...

#if PLATFORM_WINDOWS

#define WIN32_LEAN_AND_MEAN 1

#endif

#if _MSC_VER

#include <malloc.h> // need this to get alloca() in MSVC.

// !!! FIXME: temporary solution.

#define snprintf _snprintf

#define strcasecmp(x,y) _stricmp(x,y)

#endif

#ifdef __cplusplus

extern "C" {

#endif

typedef char int8;

typedef unsigned char uint8;

typedef short int16;

typedef unsigned short uint16;

typedef int int32;

typedef unsigned int uint32;

typedef long long int64;

typedef unsigned long long uint64;

// These are likely to get stolen by some overzealous library header...

#ifdef boolean

#error Something is defining boolean. Resolve this before including universal.h.

#endif

#ifdef true

#error Something is defining true. Resolve this before including universal.h.

#endif

#ifdef false

#error Something is defining false. Resolve this before including universal.h.

#endif

#define true 1

#define false 0

// MSVC doesn't support the "inline" keyword for normal C sources, just C++.

#if defined(_MSC_VER) && !defined(__cplusplus) && !defined(inline)

#define inline __inline

#endif

// Compiler-enforced printf() safety helper.

// This is appended to function declarations that use printf-style semantics,

// and will make sure your passed the right params to "..." for the

// format you specified, so gcc can catch programmer bugs at compile time.

#ifdef __GNUC__

#define ISPRINTF(x,y) __attribute__((format (printf, x, y)))

#else

#define ISPRINTF(x,y)

#endif

// Compiler-enforced sentinel safety helper.

// This is appended to function declarations that use sentinel-style semantics,

// and will make sure your passed the right params to "..." where a NULL

// is needed at the end of the list.

#ifdef __GNUC__

#define ISSENTINEL __attribute__((sentinel))

#else

#define ISSENTINEL

#endif

// Build-specific details.

extern const char *GBuildVer;

// Static, non-stack memory for scratch work...not thread safe!

extern uint8 scratchbuf_128k[128 * 1024];

#define UNICODE_BOGUS_CHAR_VALUE 0xFFFFFFFF

#define UNICODE_BOGUS_CHAR_CODEPOINT '?'

// !!! FIXME: document me!

// !!! FIXME: document me!

int utf8len(const char *str);

// !!! FIXME: document me!

char **splitText(const char *text, int scrw, int *_count, int *_w);

// Format a string, sort of (but not exactly!) like sprintf().

// The only formatters accepted are %0 through %9 (and %%), which do not

// have to appear in order in the string, but match the varargs passed to the

// function. Only strings are accepted for varargs. This function allocates

// memory as necessary, so you need to free() the result, but don't need to

// preallocate a buffer and be concerned about overflowing it.

// This does not use scratchbuf_128k.

char *format(const char *fmt, ...);

// Convert an int to a string. This uses incremental pieces of

// scratchbuf_128k for a buffer to store the results, and

// will overwrite itself after some number of calls when the memory

// is all used, but note that other things use scratchbuf_128k too,

// so this is only good for printf() things:

// fmtfunc("mission took %0 seconds, %1 points", numstr(secs), numstr(pts));

const char *numstr(int val);

// Call this for fatal errors that require immediate app termination.

// Does not clean up, or translate the error string. Try to avoid this.

// These are for crucial lowlevel issues that preclude any meaningful

// recovery (GUI didn't initialize, etc)

// Doesn't return, but if it did, you can assume it returns zero, so you can

// do: 'return panic("out of memory");' or whatnot.

int panic(const char *err);

// Call this for a fatal problem that attempts an orderly shutdown (system

// is fully working, but config file is hosed, etc).

// This makes an attempt to clean up any files already created by the

// current installer (successfully run Setup.Install blocks in the config

// file are not cleaned up).

// If there's no GUI or Lua isn't initialized, this calls panic(). That's bad.

// Doesn't return, but if it did, you can assume it returns zero, so you can

// do: 'return fatal("missing config file");' or whatnot.

// THIS DOES NOT USE PRINTF-STYLE FORMAT CODES. Please see the comments for

// format() for details.

int fatal(const char *fmt, ...);

// The platform layer should set up signal/exception handlers before calling

// MojoSetup_main(), that will call these functions. "crashed" for bug

// signals (SIGSEGV, GPF, etc), and "terminated" for external forces that

// destroy the process (SIGKILL, SIGINT, etc). These functions do not return.

void MojoSetup_crashed(void);

void MojoSetup_terminated(void);

// Please note that xmalloc() will zero the newly-allocated memory buffer,

// like calloc() would, but xrealloc() makes no such promise!

void *xmalloc(size_t bytes);

void *xrealloc(void *ptr, size_t bytes);

// strncpy() that promises to null-terminate the string, even on overflow.

char *xstrncpy(char *dst, const char *src, size_t len);

#ifdef malloc

#undef malloc

#endif

#ifdef calloc

#undef calloc

#endif

#ifdef realloc

#undef realloc

#endif

#ifdef strdup

#undef strdup

#endif

#ifdef strncpy

#undef strncpy

#endif

#if 0 // !!! FIXME: write me.

#ifdef strcasecmp

#undef strcasecmp

#endif

#define strcasecmp(x,y) DO_NOT_CALL_STRCASECMP__USE_UTF8STRICMP_INSTEAD

#endif

#if 0 // !!! FIXME: write me.

#ifdef stricmp

#undef stricmp

#endif

#define stricmp(x,y) DO_NOT_CALL_STRICMP__USE_UTF8STRICMP_INSTEAD

#endif

#if 0 // !!! FIXME: write me.

#ifdef strcmpi

#undef strcmpi

#endif

#define strcmpi(x,y) DO_NOT_CALL_STRCMPI__USE_UTF8STRICMP_INSTEAD

#endif

// Localization support.

const char *translate(const char *str);

#ifdef _

#undef _

// Call this with what you are profiling and the start time to log it:

// uint32 start = MojoPlatform_ticks();

// ...do something...

// profile("Something I did", start);

uint32 profile(const char *what, uint32 start_time);

// This tries to decode a graphic file in memory into an RGBA framebuffer,

// first with platform-specific facilities, if any, and then any built-in

// decoders, if that fails.

// (data) points to the compressed data, (size) is the number of bytes

// of compressed data. (*w) and (*h) will contain the images dimensions on

// return.

// Returns NULL on failure (unsupported, etc) and a pointer to the

// uncompressed data on success. Caller must free() the returned pointer!

uint8 *decodeImage(const uint8 *data, uint32 size, uint32 *w, uint32 *h);

// See if a given flag was on the command line

//

// cmdline("nosound") will return true if "-nosound", "--nosound",

// etc was on the command line. The option must start with a '-' on the

// command line to be noticed by this function.

//

// \param arg the command line flag to find

// \return true if arg was on the command line, false otherwise.

boolean cmdline(const char *arg);

// Get robust command line options, with optional default for missing ones.

//

// If the command line was ./myapp --a=b -c=d ----e f

// - cmdlinestr("a") will return "b"

// - cmdlinestr("c") will return "d"

// - cmdlinestr("e") will return "f"

// - cmdlinestr("g") will return the default string.

//

// Like cmdline(), the option must start with a '-'.

//

// \param arg The command line option to find.

// \param envr optional environment var to check if command line wasn't found.

// \param deflt The return value if (arg) isn't on the command line.

// \return The command line option, or (deflt) if the command line wasn't

// found. This return value is READ ONLY. Do not free it, either.

const char *cmdlinestr(const char *arg, const char *envr, const char *deflt);

// Returns true if (str) matches (pattern), false otherwise.

// This is NOT a regexp! It only understands '?' and '*', similar to how

// wildcards worked in MS-DOS command lines. '?' matches one char, and

// '*' matches until the end of string or the next char in the pattern

// is seen. Case matters!

// Logging functions.

typedef enum

{

MOJOSETUP_LOG_NOTHING,

MOJOSETUP_LOG_ERRORS,

MOJOSETUP_LOG_WARNINGS,

MOJOSETUP_LOG_INFO,

MOJOSETUP_LOG_DEBUG,

MOJOSETUP_LOG_EVERYTHING

} MojoSetupLogLevel;

void MojoLog_initLogging(void);

void MojoLog_deinitLogging(void);

// Logging facilities.

// THESE DO NOT USE PRINTF-STYLE FORMAT CODES. Please see the comments for

// format() for details.

void logWarning(const char *fmt, ...);

void logError(const char *fmt, ...);

void logInfo(const char *fmt, ...);

void logDebug(const char *fmt, ...);

// Checksums.

typedef uint32 MojoCrc32;

void MojoCrc32_init(MojoCrc32 *context);

void MojoCrc32_append(MojoCrc32 *context, const uint8 *buf, uint32 len);

void MojoCrc32_finish(MojoCrc32 *context, uint32 *digest);

typedef struct MojoMd5

{

uint32 count[2];

uint32 abcd[4];

uint8 buf[64];

} MojoMd5;

void MojoMd5_init(MojoMd5 *pms);

void MojoMd5_append(MojoMd5 *pms, const uint8 *data, int nbytes);

void MojoMd5_finish(MojoMd5 *pms, uint8 digest[16]);

typedef struct

{

uint32 state[5];

uint32 count[2];

uint8 buffer[64];

} MojoSha1;

void MojoSha1_init(MojoSha1 *context);

void MojoSha1_append(MojoSha1 *context, const uint8 *data, uint32 len);

void MojoSha1_finish(MojoSha1 *context, uint8 digest[20]);

typedef struct MojoChecksumContext

{

MojoCrc32 crc32;

MojoMd5 md5;

MojoSha1 sha1;

} MojoChecksumContext;

typedef struct MojoChecksums

{

uint32 crc32;

uint8 md5[16];

uint8 sha1[20];

} MojoChecksums;

void MojoChecksum_init(MojoChecksumContext *ctx);

void MojoChecksum_append(MojoChecksumContext *c, const uint8 *data, uint32 ln);

void MojoChecksum_finish(MojoChecksumContext *c, MojoChecksums *sums);

// A pointer to this struct is passed to plugins, so they can access

// functionality in the base application. (Add to this as you need to.)

typedef struct MojoSetupEntryPoints

{

void *(*xmalloc)(size_t bytes);

void *(*xrealloc)(void *ptr, size_t bytes);

char *(*xstrdup)(const char *str);

char *(*xstrncpy)(char *dst, const char *src, size_t len);

const char *(*translate)(const char *str);

void (*logWarning)(const char *fmt, ...);

void (*logError)(const char *fmt, ...);

void (*logInfo)(const char *fmt, ...);

void (*logDebug)(const char *fmt, ...);

char *(*format)(const char *fmt, ...);

const char *(*numstr)(int val);

int (*utf8len)(const char *str);

char **(*splitText)(const char *text, int scrw, int *_count, int *_w);

} MojoSetupEntryPoints;

extern MojoSetupEntryPoints GEntryPoints;

#define __EXPORT__ __declspec(dllexport)

#elif (__GNUC__ >= 3)

#define __EXPORT__ __attribute__((visibility("default")))

#else

#define __EXPORT__

#endif

#define DEFINE_TO_STR2(x) #x

#define DEFINE_TO_STR(x) DEFINE_TO_STR2(x)

static boolean seen_this = false; \

if (!seen_this) \

{ \

seen_this = true; \

prelog logDebug("STUBBED: %0 at %1 (%2:%3)\n", x, __FUNCTION__, \

__FILE__, DEFINE_TO_STR(__LINE__)); \

#endif

#define STATICARRAYLEN(x) ( (sizeof ((x))) / (sizeof ((x)[0])) )

#ifdef __cplusplus

}

#endif

#endif