rosapps/smartpdf/baseutils/dstring.h

   1 /****************************************************************************
   2  * Dynamic strings
   3  ****************************************************************************/
   4
   5 /*
   6  * tcl.h --
   7  *
   8  *      This header file describes the externally-visible facilities
   9  *      of the Tcl interpreter.
  10  *
  11  * Copyright (c) 1987-1994 The Regents of the University of California.
  12  * Copyright (c) 1994-1996 Sun Microsystems, Inc.
  13  *
  14  * See the file "license.terms" for information on usage and redistribution
  15  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  16  *
  17  * SCCS: @(#) tcl.h 1.283 96/10/02 17:17:39
  18  */
  19 #ifndef DSTRING_H
  20 #define DSTRING_H
  21
  22 #ifdef __cplusplus
  23 extern "C"
  24 {
  25 #endif
  26
  27 #define kDstringStaticSize 200
  28
  29 typedef struct DString {
  30     char *pString;               /* Points to beginning of string:  either
  31                                  * staticSpace below or a malloc'ed array. */
  32     int length;                 /* Number of non-NULL characters in the
  33                                  * string. */
  34     int spaceAvl;               /* Total number of bytes available for the
  35                                  * string and its terminating NULL char. */
  36     char staticSpace[kDstringStaticSize];
  37                                 /* Space to use in common case where string
  38                                  * is small. */
  39 } DString;
  40
  41 #define DStringLength(dsPtr) ((dsPtr)->length)
  42 #define DStringValue(dsPtr) ((dsPtr)->pString)
  43 #define DStringTrunc DStringSetLength
  44
  45 char*
  46 DStringAppend(DString* dsPtr,
  47                  const char* string,
  48                  int         length);
  49
  50 void
  51 DStringFree(DString* dsPtr);
  52
  53 void
  54 DStringInit(DString* dsPtr);
  55
  56 void
  57 DStringSetLength(DString* dsPtr,
  58                     int         length);
  59
  60 void
  61 DStringSprintf(DString* pDs,
  62                    const char* pFormat,
  63                    ...);
  64 char*
  65 DStringAppendLowerCase(DString*   pDs,
  66                          const char*    pIn,
  67                          int            length);
  68
  69 #ifdef __cplusplus
  70 }
  71 #endif
  72
  73 #endif