compress.c File Reference

Provides a string manipulation function. More...

#include "mdb.h"
#include <ctype.h>

Go to the source code of this file.

Functions
char *	compressString (char *s, char *t)
	Eliminates repeated occurrences of characters in string t from string s.

Detailed Description

Provides a string manipulation function.

This file contains functions to create, manage, and manipulate buffers that store lines of text strings. Buffers can be dynamically created, added to, cleared, and printed to files.

Copyright

• (c) 2002 The University of Chicago, as Operator of Argonne National Laboratory.
• (c) 2002 The Regents of the University of California, as Operator of Los Alamos National Laboratory.

License

This file is distributed under the terms of the Software License Agreement found in the file LICENSE included with this distribution.

Author

C. Saunders, R. Soliday

Definition in file compress.c.

Function Documentation

compressString()

char * compressString	(	char *	s,
		char *	t )

Eliminates repeated occurrences of characters in string t from string s.

This function removes consecutive duplicate characters in string s that are present in string t.

Parameters

s	Pointer to the string to be compressed. The string is modified in place.
t	Pointer to the string containing characters to remove from s.

Returns

Pointer to the compressed string s.

Definition at line 32 of file compress.c.

                                       {
  register char *ptr, *ptr0, *tptr;
 
  ptr = ptr0 = s;
  while (*ptr0) {
    tptr = t;
    while (*tptr) {
      if (*tptr != *ptr0) {
        tptr++;
        continue;
      }
      while (*++ptr0 == *tptr)
        ;
      tptr++;
      ptr0--;
    }
    *ptr++ = *ptr0++;
  }
  *ptr = 0;
  return (s);
}