/*
* mf.c -- mail filter subroutines
*
- * $Id$
- *
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
* static prototypes
*/
static char *getcpy (char *);
-static char *add (char *, char *);
-static void compress (char *, char *);
static int isat (char *);
static int parse_address (void);
static int phrase (char *);
}
-static char *
-add (char *s1, char *s2)
-{
- register char *p;
-
- if (!s2)
- return getcpy (s1);
-
- p = mh_xmalloc ((size_t) (strlen (s1) + strlen (s2) + 2));
- sprintf (p, "%s%s", s2, s1);
- free (s2);
- return p;
-}
-
int
isfrom(char *string)
{
if (*b == 0)
return FALSE;
else {
- char c1 = islower (*a) ? toupper (*a) : *a;
- char c2 = islower (*b) ? toupper (*b) : *b;
+ char c1 = islower ((unsigned char) *a) ?
+ toupper ((unsigned char) *a) : *a;
+ char c2 = islower ((unsigned char) *b) ?
+ toupper ((unsigned char) *b) : *b;
if (c1 != c2)
return FALSE;
}
}
-/*
- * seekadrx() is tricky. We want to cover both UUCP-style and ARPA-style
- * addresses, so for each list of addresses we see if we can find some
- * character to give us a hint.
- */
-
-
-#define CHKADR 0 /* undertermined address style */
-#define UNIXDR 1 /* UNIX-style address */
-#define ARPADR 2 /* ARPAnet-style address */
-
-
-static char *punctuators = ";<>.()[]";
-static char *vp = NULL;
-static char *tp = NULL;
-
-static struct adrx adrxs1;
-
-
-struct adrx *
-seekadrx (char *addrs)
-{
- static int state = CHKADR;
- register char *cp;
- register struct adrx *adrxp;
-
- if (state == CHKADR)
- for (state = UNIXDR, cp = addrs; *cp; cp++)
- if (strchr(punctuators, *cp)) {
- state = ARPADR;
- break;
- }
-
- switch (state) {
- case UNIXDR:
- adrxp = uucpadrx (addrs);
- break;
-
- case ARPADR:
- default:
- adrxp = getadrx (addrs);
- break;
- }
-
- if (adrxp == NULL)
- state = CHKADR;
-
- return adrxp;
-}
-
-
-/*
- * uucpadrx() implements a partial UUCP-style address parser. It's based
- * on the UUCP notion that addresses are separated by spaces or commas.
- */
-
-
-struct adrx *
-uucpadrx (char *addrs)
-{
- register char *cp, *wp, *xp, *yp, *zp;
- register struct adrx *adrxp = &adrxs1;
-
- if (vp == NULL) {
- vp = tp = getcpy (addrs);
- compress (addrs, vp);
- }
- else
- if (tp == NULL) {
- free (vp);
- vp = NULL;
- return NULL;
- }
-
- for (cp = tp; isspace (*cp); cp++)
- continue;
- if (*cp == 0) {
- free (vp);
- vp = tp = NULL;
- return NULL;
- }
-
- if ((wp = strchr(cp, ',')) == NULL) {
- if ((wp = strchr(cp, ' ')) != NULL) {
- xp = wp;
- while (isspace (*xp))
- xp++;
- if (*xp != 0 && isat (--xp)) {
- yp = xp + 4;
- while (isspace (*yp))
- yp++;
- if (*yp != 0) {
- if ((zp = strchr(yp, ' ')) != NULL)
- *zp = 0, tp = ++zp;
- else
- tp = NULL;
- }
- else
- *wp = 0, tp = ++wp;
- }
- else
- *wp = 0, tp = ++wp;
- }
- else
- tp = NULL;
- }
- else
- *wp = 0, tp = ++wp;
-
- if (adrxp->text)
- free (adrxp->text);
- adrxp->text = getcpy (cp);
- adrxp->mbox = cp;
- adrxp->host = adrxp->path = NULL;
- if ((wp = strrchr(cp, '@')) != NULL) {
- *wp++ = 0;
- adrxp->host = *wp ? wp : NULL;
- }
- else
- for (wp = cp + strlen (cp) - 4; wp >= cp; wp--)
- if (isat (wp)) {
- *wp++ = 0;
- adrxp->host = wp + 3;
- }
-
- adrxp->pers = adrxp->grp = adrxp->note = adrxp->err = NULL;
- adrxp->ingrp = 0;
-
- return adrxp;
-}
-
-
-static void
-compress (char *fp, char *tp)
-{
- register char c, *cp;
-
- for (c = ' ', cp = tp; (*tp = *fp++) != 0;)
- if (isspace (*tp)) {
- if (c != ' ')
- *tp++ = c = ' ';
- }
- else
- c = *tp++;
-
- if (c == ' ' && cp < tp)
- *--tp = 0;
-}
-
-
static int
isat (char *p)
{
}
break;
}
- while (isspace (*ap))
+ while (isspace ((unsigned char) *ap))
ap++;
if (cp)
- sprintf (adr, "%.*s", cp - ap, ap);
+ sprintf (adr, "%.*s", (int)(cp - ap), ap);
else
strcpy (adr, ap);
bp = adr + strlen (adr) - 1;
{
/* buffer should be at least BUFSIZ bytes long */
int i, gotat = 0;
- register char c, *bp;
+ char c, *bp;
/* Add C to the buffer bp. After use of this macro *bp is guaranteed to be within the buffer. */
#define ADDCHR(C) do { *bp++ = (C); if ((bp - buffer) == (BUFSIZ-1)) goto my_lex_buffull; } while (0)
gotat = isat (cp);
c = *cp++;
- while (isspace (c))
+ while (isspace ((unsigned char) c))
c = *cp++;
if (c == 0) {
cp = NULL;
if (c == special[i].lx_chr)
return (last_lex = special[i].lx_val);
- if (iscntrl (c))
+ if (iscntrl ((unsigned char) c))
return (last_lex = LX_ERR);
for (;;) {
for (i = 0; special[i].lx_chr != 0; i++)
if (c == special[i].lx_chr)
goto got_atom;
- if (iscntrl (c) || isspace (c))
+ if (iscntrl ((unsigned char) c) || isspace ((unsigned char) c))
break;
ADDCHR(c);
}
break;
}
if (cp >= ep) {
- if (!(dp = realloc (pp, (size_t) (len += BUFSIZ)))) {
- free (pp);
- pp = NULL;
- return NOTOK;
- }
- else
- cp += dp - pp, ep = (pp = cp) + len - 2;
+ dp = mh_xrealloc (pp, (size_t) (len += BUFSIZ));
+ cp += dp - pp, ep = (pp = cp) + len - 2;
}
}
}
projects / nmh / blobdiff