----- delivermail ==> postbox -----

[unix-history] / usr / src / usr.sbin / sendmail / src / util.c

# include <sysexits.h>
# include "useful.h"
# include <ctype.h>

static char     SccsId[] = "@(#)util.c  3.2     %G%";

/*
**  STRIPQUOTES -- Strip quotes & quote bits from a string.
**
**      Runs through a string and strips off unquoted quote
**      characters and quote bits.  This is done in place.
**
**      Parameters:
**              s -- the string to strip.
**
**      Returns:
**              none.
**
**      Side Effects:
**              none.
**
**      Called By:
**              deliver
*/

stripquotes(s)
       char *s;
{
       register char *p;
       register char *q;
       register char c;

       for (p = q = s; (c = *p++) != '\0'; )
       {
               if (c != '"')
                       *q++ = c & 0177;
       }
       *q = '\0';
}
\f/*
**  CAPITALIZE -- return a copy of a string, properly capitalized.
**
**      Parameters:
**              s -- the string to capitalize.
**
**      Returns:
**              a pointer to a properly capitalized string.
**
**      Side Effects:
**              none.
*/

char *
capitalize(s)
       register char *s;
{
       static char buf[50];
       register char *p;

       p = buf;

       for (;;)
       {
               while (!isalpha(*s) && *s != '\0')
                       *p++ = *s++;
               if (*s == '\0')
                       break;
               *p++ = toupper(*s++);
               while (isalpha(*s))
                       *p++ = *s++;
       }

       *p = '\0';
       return (buf);
}
\f/*
**  XALLOC -- Allocate memory and bitch wildly on failure.
**
**      THIS IS A CLUDGE.  This should be made to give a proper
**      error -- but after all, what can we do?
**
**      Parameters:
**              sz -- size of area to allocate.
**
**      Returns:
**              pointer to data region.
**
**      Side Effects:
**              Memory is allocated.
*/

char *
xalloc(sz)
       register unsigned int sz;
{
       register char *p;
       extern char *malloc();

       p = malloc(sz);
       if (p == NULL)
       {
               syserr("Out of memory!!");
               exit(EX_UNAVAILABLE);
       }
       return (p);
}
\f/*
**  NEWSTR -- make copy of string.
**
**      Space is allocated for it using xalloc.
**
**      Parameters:
**              string to copy.
**
**      Returns:
**              pointer to new string.
**
**      Side Effects:
**              none.
*/

char *
newstr(s)
       register char *s;
{
       register char *p;

       p = xalloc(strlen(s) + 1);
       strcpy(p, s);
       return (p);
}