research.m1stereo.tv/gitweb/ - melted/blob - src/mvcp/mvcp_util.c

   1 /*
   2  * mvcp_util.c -- General Purpose Client Utilities
   3  * Copyright (C) 2002-2009 Ushodaya Enterprises Limited
   4  * Author: Charles Yates <charles.yates@pandora.be>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /* System header files */
  22 #include <string.h>
  23 #include <ctype.h>
  24
  25 /* Application header files */
  26 #include "mvcp_util.h"
  27
  28 /** Remove LF or CR/LF terminations from the input string.
  29 */
  30
  31 char *mvcp_util_chomp( char *input )
  32 {
  33         if ( input != NULL )
  34         {
  35                 int length = strlen( input );
  36                 if ( length && input[ length - 1 ] == '\n' )
  37                         input[ length - 1 ] = '\0';
  38                 if ( length > 1 && input[ length - 2 ] == '\r' )
  39                         input[ length - 2 ] = '\0';
  40         }
  41         return input;
  42 }
  43
  44 /** Remove leading and trailing spaces from the input string.
  45 */
  46
  47 char *mvcp_util_trim( char *input )
  48 {
  49         if ( input != NULL )
  50         {
  51                 int length = strlen( input );
  52                 int first = 0;
  53                 while( first < length && isspace( input[ first ] ) )
  54                         first ++;
  55                 memmove( input, input + first, length - first + 1 );
  56                 length = length - first;
  57                 while ( length > 0 && isspace( input[ length - 1 ] ) )
  58                         input[ -- length ] = '\0';
  59         }
  60         return input;
  61 }
  62
  63 /** Strip the specified string of leading and trailing 'value' (ie: ").
  64 */
  65
  66 char *mvcp_util_strip( char *input, char value )
  67 {
  68         if ( input != NULL )
  69         {
  70                 char *ptr = strrchr( input, value );
  71                 if ( ptr != NULL )
  72                         *ptr = '\0';
  73                 if ( input[ 0 ] == value )
  74                         memmove( input, input + 1, strlen( input ) );
  75         }
  76         return input;
  77 }