contrib/sendmail-8.14/libsm/string.c

   1 /*
   2  * Copyright (c) 2001 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  *
   5  * By using this file, you agree to the terms and conditions set
   6  * forth in the LICENSE file which can be found at the top level of
   7  * the sendmail distribution.
   8  *
   9  */
  10
  11 #include <sm/gen.h>
  12 SM_RCSID("@(#)$Id: string.c,v 1.3 2001/09/11 04:04:49 gshapiro Exp $")
  13
  14 #include <ctype.h>
  15 #include <errno.h>
  16
  17 #include <sm/string.h>
  18
  19 /*
  20 **  STRIPQUOTES -- Strip quotes & quote bits from a string.
  21 **
  22 **      Runs through a string and strips off unquoted quote
  23 **      characters and quote bits.  This is done in place.
  24 **
  25 **      Parameters:
  26 **              s -- the string to strip.
  27 **
  28 **      Returns:
  29 **              none.
  30 **
  31 **      Side Effects:
  32 **              none.
  33 */
  34
  35 void
  36 stripquotes(s)
  37         char *s;
  38 {
  39         register char *p;
  40         register char *q;
  41         register char c;
  42
  43         if (s == NULL)
  44                 return;
  45
  46         p = q = s;
  47         do
  48         {
  49                 c = *p++;
  50                 if (c == '\\')
  51                         c = *p++;
  52                 else if (c == '"')
  53                         continue;
  54                 *q++ = c;
  55         } while (c != '\0');
  56 }