util.h

ReactOS是一些高手根据Windows XP的内核编写出的类XP。内核实现机理和API函数调用几乎相同。甚至可以兼容XP的程序。喜欢研究系统内核的人可以看一看。

/* util.h
 *
 * Copyright (c) 1992-2001 by Mike Gleason.
 * All rights reserved.
 *
 */

typedef int (*qsort_proc_t)(const void *, const void *);
typedef int (*bsearch_proc_t)(const void *, const void *);
typedef void (*sigproc_t)(int);
typedef volatile sigproc_t vsigproc_t;

#define STREQ(a,b) (strcmp(a,b) == 0)
#define STRNEQ(a,b,s) (strncmp(a,b,(size_t)(s)) == 0)

#ifndef ISTRCMP
#	ifdef HAVE_STRCASECMP
#		define ISTRCMP strcasecmp
#		define ISTRNCMP strncasecmp
#	else
#		define ISTRCMP strcmp
#		define ISTRNCMP strncmp
#	endif
#endif

#define ISTREQ(a,b) (ISTRCMP(a,b) == 0)
#define ISTRNEQ(a,b,s) (ISTRNCMP(a,b,(size_t)(s)) == 0)
#define YESNO(i) ((i == 0) ? "no" : "yes")
#define ONOFF(i) ((i == 0) ? "off" : "on")
#define TRUEFALSE(i) ((i == 0) ? "false" : "true")

#ifndef HAVE_STRCOLL
#	ifndef strcoll
#		define strcoll strcmp
#	endif
#	ifndef strncoll
#		define strncoll strncmp
#	endif
#endif

#ifndef F_OK
#	define F_OK 0
#endif

#define kOurDirectoryName	".ncftp"

#define kPasswordMagic "*encoded*"
#define kPasswordMagicLen 9

#if defined(WIN32) || defined(_WINDOWS)
#	define kNcFTPBookmarksMailslot "\\\\.\\mailslot\\ncftpbm.slt"
#	define kNcFTPBookmarksMailslotMsgSize 128
#endif

/* util.c */
void ToBase64(void *, const void *, size_t, int);
void FromBase64(void *, const void *, size_t, int);
void OutOfMemory(void);
void *Realloc(void *, size_t);
char *GetCWD(char *, size_t);
void MyInetAddr(char *, size_t, char **, int);
struct hostent *GetHostEntry(const char *, struct in_addr *);
void CompressPath(char *const dst, const char *const src, const size_t dsize);
void PathCat(char *const dst, const size_t dsize, const char *const cwd, const char *const src);
char *FileToURL(char *url, size_t urlsize, const char *const fn, const char *const rcwd, const char *const startdir, const char *const user, const char *const pass, const char *const hname, const unsigned int port);
void AbbrevStr(char *, const char *, size_t, int);
char *Path(char *const dst, const size_t siz, const char *const parent, const char *const fname);
char *OurDirectoryPath(char *const dst, const size_t siz, const char *const fname);
void InitOurDirectory(void);
void InitUserInfo(void);
int MayUseFirewall(const char *const, int, const char *const);
int StrToBool(const char *const);
void AbsoluteToRelative(char *const, const size_t, const char *const, const char *const, const size_t);
int GetHostByName(char *const volatile, size_t, const char *const, int);
time_t UnDate(char *dstr);
int DecodeDirectoryURL(const FTPCIPtr, char *, LineListPtr, char *, size_t);
char *OurInstallationPath(char *const dst, const size_t siz, const char *const fname);
#if defined(WIN32) || defined(_WINDOWS)
void SysPerror(const char *const errMsg);
#endif

#if defined(HAVE_STRCOLL) && !defined(HAVE_STRNCOLL)
int strncoll(const char *a, const char *b, size_t n);
#endif