2.9BSD - /usr/src/ucb/delivermail/util.c

   1: # include <sysexits.h>
   2: # include "useful.h"
   3: 
   4: static char SccsId[] = "@(#)util.c	2.1	11/5/80";
   5: 
   6: /*
   7: **  STRIPQUOTES -- Strip quotes & quote bits from a string.
   8: **
   9: **	Runs through a string and strips off unquoted quote
  10: **	characters and quote bits.  This is done in place.
  11: **
  12: **	Parameters:
  13: **		s -- the string to strip.
  14: **
  15: **	Returns:
  16: **		none.
  17: **
  18: **	Side Effects:
  19: **		none.
  20: **
  21: **	Called By:
  22: **		deliver
  23: */
  24: 
  25: stripquotes(s)
  26:     char *s;
  27: {
  28:     register char *p;
  29:     register char *q;
  30:     register char c;
  31: 
  32:     for (p = q = s; (c = *p++) != '\0'; )
  33:     {
  34:         if (c != '"')
  35:             *q++ = c & 0177;
  36:     }
  37:     *q = '\0';
  38: }
  39: /*
  40: **  XALLOC -- Allocate memory and bitch wildly on failure.
  41: **
  42: **	THIS IS A CLUDGE.  This should be made to give a proper
  43: **	error -- but after all, what can we do?
  44: **
  45: **	Parameters:
  46: **		sz -- size of area to allocate.
  47: **
  48: **	Returns:
  49: **		pointer to data region.
  50: **
  51: **	Side Effects:
  52: **		Memory is allocated.
  53: **
  54: **	Called By:
  55: **		lots of people.
  56: */
  57: 
  58: char *
  59: xalloc(sz)
  60:     register unsigned int sz;
  61: {
  62:     register char *p;
  63:     extern char *malloc();
  64: 
  65:     p = malloc(sz);
  66:     if (p == NULL)
  67:     {
  68:         syserr("Out of memory!!");
  69:         exit(EX_UNAVAILABLE);
  70:     }
  71:     return (p);
  72: }
  73: /*
  74: **  ANY -- Return TRUE if the character exists in the string.
  75: **
  76: **	Parameters:
  77: **		c -- the character.
  78: **		s -- the string
  79: **			(sounds like an avant garde script)
  80: **
  81: **	Returns:
  82: **		TRUE -- if c could be found in s.
  83: **		FALSE -- otherwise.
  84: **
  85: **	Side Effects:
  86: **		none.
  87: **
  88: **	Called By:
  89: **		prescan
  90: */
  91: 
  92: any(c, s)
  93:     register char c;
  94:     register char *s;
  95: {
  96:     register char c2;
  97: 
  98:     while ((c2 = *s++) != '\0')
  99:         if (c2 == c)
 100:             return (TRUE);
 101:     return (FALSE);
 102: }

Defined functions

Defined variables