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deliver-append-string.c

/* $Id: deliver-append-string.c,v 1.6 2007/03/28 19:59:57 nicm Exp $ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <string.h>
#include <vis.h>

#include "fdm.h"
#include "deliver.h"

int    deliver_append_string_deliver(struct deliver_ctx *, struct actitem *);
void   deliver_append_string_desc(struct actitem *, char *, size_t);

struct deliver deliver_append_string = {
      "append-string",
      DELIVER_INCHILD,
      deliver_append_string_deliver,
      deliver_append_string_desc
};

int
deliver_append_string_deliver(struct deliver_ctx *dctx, struct actitem *ti)
{
      struct account    *a = dctx->account;
      struct mail *m = dctx->mail;
      char        *ptr = ti->data;
      size_t             len;

      len = strlen(ptr);
      if (mail_resize(m, m->size + len) != 0) {
            log_warn("%s: failed to resize mail", a->name);
            return (DELIVER_FAILURE);
      }
      memcpy(m->data + m->size, ptr, len);
      m->size += len;

      return (DELIVER_SUCCESS);
}

void
deliver_append_string_desc(struct actitem *ti, char *buf, size_t len)
{
      size_t      sz;

      *buf = '\0';
      if ((sz = strlcpy(buf, "append-string \"", len)) >= len)
            return;
      buf += sz;
      len -= sz;

      sz = strnvis(buf, ti->data, len, VIS_CSTYLE|VIS_TAB|VIS_NL);
      if (sz >= len)
            return;
      buf += sz;
      len -= sz;

      if (len >= 2) {
            buf[0] = '"';
            buf[1] = '\0';
      }
}

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