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Annotation of 41BSD/cmd/delivermail/util.c, revision 1.1

1.1     ! root        1: # include <sysexits.h>
        !             2: # include "useful.h"
        !             3: 
        !             4: static char    SccsId[] = "@(#)util.c  1.4     10/21/80";
        !             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: }

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