gecko-dev/include/xp_str.h
1998-03-28 02:44:41 +00:00

237 lines
7.2 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef XPSTRING_H
#define XPSTRING_H
#include <string.h>
#define XP_STRCASECMP strcasecomp
#define XP_STRNCASECMP strncasecomp
#define XP_STRCASESTR strcasestr
#define XP_STRNCHR strnchr
#define XP_TO_UPPER(i) xp_toupper(i)
#define XP_TO_LOWER(i) xp_tolower(i)
#ifdef XP_UNIX /* because I can't verify yet.. */
#ifdef DEBUG
XP_BEGIN_PROTOS
extern char * NOT_NULL (const char *x);
XP_END_PROTOS
#else
# define NOT_NULL(X) X
#endif
#define XP_STRLEN(s) strlen(NOT_NULL(s))
#define XP_STRCMP(a, b) strcmp(NOT_NULL(a), NOT_NULL(b))
#define XP_STRNCMP(a, b, n) strncmp(NOT_NULL(a), NOT_NULL(b), (n))
#define XP_STRCPY(d, s) strcpy(NOT_NULL(d), NOT_NULL(s))
#define XP_STRCHR strchr
#define XP_STRRCHR strrchr
#define XP_STRTOK strtok
#define XP_STRCAT strcat
#define XP_STRNCAT strncat
#define XP_STRSTR strstr
#define XP_STRTOUL strtoul
/*
XP_FILENAMECMP compares two filenames, treating case differences
appropriately for this OS.
*/
#ifdef XP_WIN
#define XP_FILENAMECMP stricmp
#else
#define XP_FILENAMECMP XP_STRCMP
#endif
#if !defined(XP_WIN) && !defined(XP_OS2)
/* strdup is not an ANSI function */
XP_BEGIN_PROTOS
extern char * strdup (const char * s);
XP_END_PROTOS
#endif
#define XP_STRDUP(s) strdup((s))
#define XP_MEMCPY(d, s, n) memcpy((d), (s), (n))
/* NOTE: XP_MEMMOVE gurantees that overlaps will be properly handled */
#if defined( __sun) && !defined(__svr4__)
#define XP_MEMMOVE(Dest,Src,Len) bcopy((Src),(Dest),(Len))
#else
#define XP_MEMMOVE(Dest,Src,Len) memmove((Dest),(Src),(Len))
#endif /* __sun */
#define XP_MEMSET memset
#define XP_SPRINTF sprintf
#define XP_SAFE_SPRINTF PR_snprintf
#define XP_MEMCMP memcmp
#define XP_VSPRINTF vsprintf
#define XP_IS_SPACE(VAL) \
(((((intn)(VAL)) & 0x7f) == ((intn)(VAL))) && isspace((intn)(VAL)) )
#define XP_IS_CNTRL(i) ((((unsigned int) (i)) > 0x7f) ? (int) 0 : iscntrl(i))
#define XP_IS_DIGIT(i) ((((unsigned int) (i)) > 0x7f) ? (int) 0 : isdigit(i))
#ifdef XP_WIN
#define XP_IS_ALPHA(VAL) (isascii((int)(VAL)) && isalpha((int)(VAL)))
#else
#define XP_IS_ALPHA(VAL) ((((unsigned int) (VAL)) > 0x7f) ? FALSE : isalpha((int)(VAL)))
#endif
#define XP_ATOI(PTR) (atoi((PTR)))
#define XP_BZERO(a,b) memset(a,0,b)
/* NOTE: XP_BCOPY gurantees that overlaps will be properly handled */
#ifdef XP_WIN16
XP_BEGIN_PROTOS
extern void WIN16_bcopy(char *, char *, unsigned long);
XP_END_PROTOS
#define XP_BCOPY(PTR_FROM, PTR_TO, LEN) \
(WIN16_bcopy((char *) (PTR_FROM), (char *)(PTR_TO), (LEN)))
#else
#define XP_BCOPY(Src,Dest,Len) XP_MEMMOVE((Dest),(Src),(Len))
#endif /* XP_WIN16 */
/*
Random stuff in a random place
*/
#if defined (XP_WIN) || defined (XP_OS2)
#define XP_RANDOM rand
#define XP_SRANDOM(seed) srand((seed))
#endif
#ifdef XP_MAC
#define XP_RANDOM rand
#define XP_SRANDOM(seed) srand((seed))
#endif
#ifdef XP_UNIX
#if !defined(XP_RANDOM) || !defined(XP_SRANDOM) /* defined in both xp_mcom.h and xp_str.h */
#if defined(UNIXWARE) || defined(_INCLUDE_HPUX_SOURCE) || (defined(__sun) && defined(__svr4__)) || defined(SNI) || defined(NCR)
#define XP_RANDOM rand
#define XP_SRANDOM(seed) srand((seed))
#else
#define XP_RANDOM random
#define XP_SRANDOM(seed) srandom((seed))
#endif
#endif
#endif
#endif /* XP_UNIX -- ifdef'd because I can't yet verify */
XP_BEGIN_PROTOS
/*
** Some basic string things
*/
/*
** Concatenate s1 to s2. If s1 is NULL then a copy of s2 is
** returned. Otherwise, s1 is realloc'd and s2 is concatenated, with the
** new value of s1 being returned.
*/
extern char *XP_AppendStr(char *s1, const char *s2);
/*
** Concatenate a bunch of strings. The variable length argument list must
** be terminated with a NULL. This result is a DS_Alloc'd string.
*/
extern char *XP_Cat(char *s1, ...);
/* Fast table driven tolower and toupper functions.
**
** Only works on first 128 ascii
*/
int xp_tolower(int c);
int xp_toupper(int c);
/*
* Case-insensitive string comparison
*/
extern int strcasecomp (const char *a, const char *b);
extern int strncasecomp (const char *a, const char *b, int n);
/* find a char within a specified length string
*/
extern char * strnchr (const char * str, const char single, int32 len);
/* find a substring within a string with a case insensitive search
*/
extern char * strcasestr (const char * str, const char * substr);
/* find a substring within a specified length string with a case
* insensitive search
*/
extern char * strncasestr (const char * str, const char * substr, int32 len);
/* thread safe version of strtok. placeHolder contains the remainder of the
string being tokenized and is used as the starting point of the next search */
/* example: (1st call) token = XP_STRTOK_R(tokenString, "<token>", &placeHolder);
(2nd call) token = XP_STRTOK_R(nil, "<token>", &placeHolder);*/
extern char * XP_STRTOK_R(char *s1, const char *s2, char **placeHolder);
/*
* Malloc'd string manipulation
*
* notice that they are dereferenced by the define!
*/
#define StrAllocCopy(dest, src) NET_SACopy (&(dest), src)
#define StrAllocCat(dest, src) NET_SACat (&(dest), src)
extern char * NET_SACopy (char **dest, const char *src);
extern char * NET_SACat (char **dest, const char *src);
/*
* Malloc'd block manipulation
*
* Lengths are necessary here :(
*
* notice that they are dereferenced by the define!
*/
#define BlockAllocCopy(dest, src, src_length) NET_BACopy((char**)&(dest), src, src_length)
#define BlockAllocCat(dest, dest_length, src, src_length) NET_BACat(&(dest), dest_length, src, src_length)
extern char * NET_BACopy (char **dest, const char *src, size_t src_length);
extern char * NET_BACat (char **dest, size_t dest_length, const char *src, size_t src_length);
extern char * XP_StripLine (char *s);
/* Match = 0, NoMatch = 1, Abort = -1 */
/* Based loosely on sections of wildmat.c by Rich Salz */
extern int xp_RegExpSearch(char *str, char *exp);
/*
* These are "safe" versions of the runtime library routines. The RTL
* versions do not null-terminate dest IFF strlen(src) >= destLength.
* These versions always null-terminate, which is why they're safe.
*/
extern char *XP_STRNCAT_SAFE (char *dest, const char *src, size_t len);
extern char *XP_STRNCPY_SAFE (char *dest, const char *src, size_t len);
XP_END_PROTOS
#endif /* XPSTRING_H */