csope/src/constants.h

/*===========================================================================
 Copyright (c) 1998-2000, The Santa Cruz Operation
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

 *Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.

 *Redistributions in binary form must reproduce the above copyright notice,
 this list of conditions and the following disclaimer in the documentation
 and/or other materials provided with the distribution.

 *Neither name of The Santa Cruz Operation nor the names of its contributors
 may be used to endorse or promote products derived from this software
 without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
 IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT falseT LIMITED TO,
 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 CONSEQUENTIAL DAMAGES (INCLUDING, BUT falseT LIMITED TO, PROCUREMENT OF
 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 DAMAGE.
 =========================================================================*/

/*    cscope - interactive C symbol cross-reference
 *
 *    preprocessor macro and constant definitions
 */

#ifndef CSCOPE_CONSTANTS_H
#define CSCOPE_CONSTANTS_H

#define ctrl(x)    (x & 037)    /* control character macro */

/* fast string equality tests (avoids most strcmp() calls) */
#define    strequal(s1, s2)    (*(s1) == *(s2) && strcmp(s1, s2) == 0)
#define    strnotequal(s1, s2)    (*(s1) != *(s2) || strcmp(s1, s2) != 0)

/* set the mark character for searching the cross-reference file */
#define    setmark(c)    (blockmark = c, block[blocklen] = blockmark)

/* get the next character in the cross-reference */
/* note that blockp is assumed not to be null */
#define    getrefchar()    (*(++blockp + 1) != '\0' ? *blockp : \
        	(read_block() != NULL ? *blockp : '\0'))

/* skip the next character in the cross-reference */
/* note that blockp is assumed not to be null and that
   this macro will always be in a statement by itself */
#define    skiprefchar()    if (*(++blockp + 1) == '\0') (void) read_block()

#define    DUMMYCHAR    ' '	/* use space as a dummy character */
#define    MSGLEN    ((PATLEN) + 80)	/* displayed message length */
#define    NUMLEN    10		/* line number length */
#define    PATHLEN    250		/* file pathname length */
#define    PATLEN    250		/* symbol pattern length */
#define TEMPSTRING_LEN 8191     /* max strlen() of the global temp string */
#define    REFFILE    "cscope.out"	/* cross-reference output file */
#define    NAMEFILE "cscope.files"    /* default list-of-files file */
#define    INVNAME    "cscope.in.out"	/* inverted index to the database */
#define    INVPOST    "cscope.po.out"	/* inverted index postings */
#define    INVNAME2 "cscope.out.in"/* follows correct naming convention */
#define    INVPOST2 "cscope.out.po"/* follows correct naming convention */

#define    STMTMAX    10000		/* maximum source statement length */

#define STR2(x) #x
#define STRINGIZE(x) STR2(x)
#define PATLEN_STR STRINGIZE(PATLEN)
#define PATHLEN_STR STRINGIZE(PATHLEN)
#define NUMLEN_STR STRINGIZE(NUMLEN)
#define TEMPSTRING_LEN_STR STRINGIZE(TEMPSTRING_LEN)

/* screen lines */
#define    PRLINE    (LINES - 1)		/* input prompt line */

/* input fields (value matches field order on screen) */
#define    SYMBOL    	0
#define DEFINITION    1
#define    CALLEDBY    2
#define    CALLING    	3
#define    STRING    	4
#define    CHANGE    	5
#define    REGEXP    	6
#define FILENAME    7
#define INCLUDES    8
#define    FIELDS    	10

/* file open modes */
#ifndef R_OK
# define    READ    R_OK
#else
# define    READ    4
#endif
#ifdef W_OK
# define    WRITE    W_OK
#else
# define    WRITE    2
#endif

#define O_TEXT 0x00
#define O_BINARY 0x00


#endif /* CSCOPE_CONSTANTS_H */