platform.h
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/**
* MojoPatch; a tool for updating data in the field.
*
* Please see the file LICENSE.txt in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
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#ifndef _INCL_PLATFORM_H_
#define _INCL_PLATFORM_H_
#ifdef __cplusplus
extern "C" {
#endif
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#ifdef __POWERPC__
#define PLATFORM_BIGENDIAN 1
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#else
#define PLATFORM_BIGENDIAN 0
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#define PATCHERROR 0
#define PATCHSUCCESS 1
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#if PLATFORM_WIN32
# include <io.h>
# define PATH_SEP "\\"
# if (defined _MSC_VER)
# define inline __inline
# define snprintf _snprintf
# define mkdir(x, y) _mkdir(x)
# define chdir(x) _chdir(x)
# endif
# define MAX_PATH 1024
#elif PLATFORM_UNIX
# include <unistd.h>
# include <sys/stat.h>
# include <sys/types.h>
# include <sys/param.h>
# include <fcntl.h>
# define PATH_SEP "/"
# define MAX_PATH MAXPATHLEN
#else
# #error please define your platform.
#endif
typedef struct MOJOPATCH_FILELIST
{
char *fname;
struct MOJOPATCH_FILELIST *next;
} file_list;
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typedef enum
{
SPAWN_FILENOTFOUND,
SPAWN_FAILED,
SPAWN_RETURNGOOD,
SPAWN_RETURNBAD
} SpawnResult;
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/* Your mainline calls this. */
int mojopatch_main(int argc, char **argv);
/* You call this for fatal error messages. */
void _fatal(const char *fmt, ...);
/* Call this for logging (not debug info). */
void _log(const char *fmt, ...);
/* Call this for logging (debug info). */
void _dlog(const char *fmt, ...);
/* platform-specific stuff you implement. */
int file_exists(const char *fname);
int file_is_directory(const char *fname);
int file_is_symlink(const char *fname);
file_list *make_filelist(const char *base); /* must use malloc(). */
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int get_file_size(const char *fname, unsigned int *fsize);
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char *get_current_dir(char *buf, size_t bufsize);
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char *get_realpath(const char *path);
int update_version(const char *ver);
int calc_tmp_filenames(char **tmp1, char **tmp2);
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int locate_product_by_identifier(const char *str, char *buf, size_t bufsize);
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int get_product_version(const char *ident, char *buf, size_t bufsize);
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SpawnResult spawn_xdelta(const char *cmdline);
SpawnResult spawn_script(const char *scriptname, const char *dstdir);
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#ifdef __cplusplus
}
#endif
#endif /* include-once blocker. */
/* end of platform.h ... */