delete_bnd.c File Reference

Implementation of string manipulation routine. More...

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

Go to the source code of this file.

Functions
char *	delete_bounding (char *s, char *t)
	Deletes bounding characters from a string.

Detailed Description

Implementation of string manipulation routine.

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

M. Borland, C. Saunders, R. Soliday

Definition in file delete_bnd.c.

Function Documentation

delete_bounding()

char * delete_bounding	(	char *	s,
		char *	t )

Deletes bounding characters from a string.

Removes all leading and trailing characters from the string s that are present in the string t.

Parameters

s	The string to be modified.
t	The string containing bounding characters to remove from s.

Returns

The modified string s.

Definition at line 28 of file delete_bnd.c.

{
  register char *ptr1, *ptr0, *ptrt;
 
  if (!s)
    return (s);
  ptr0 = s;
  while (*ptr0) {
    ptrt = t;
    while (*ptrt && *ptrt != *ptr0)
      ptrt++;
    if (*ptrt == *ptr0)
      ptr0++;
    else
      break;
  }
 
  ptr1 = ptr0 + strlen(ptr0) - 1;
  while (ptr1 != ptr0) {
    ptrt = t;
    while (*ptrt && *ptrt != *ptr1)
      ptrt++;
    if (*ptrt == *ptr1)
      ptr1--;
    else
      break;
  }
 
  *++ptr1 = 0;
  strcpy_ss(s, ptr0);
  return (s);
}