87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*-
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* Copyright (c) 2014 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "xbps_api_impl.h"
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int HIDDEN
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xbps_cb_message(struct xbps_handle *xhp, xbps_dictionary_t pkgd, const char *key)
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{
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xbps_data_t msg;
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FILE *f = NULL;
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const void *data = NULL;
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const char *pkgver;
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size_t len;
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char *buf = NULL;
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int rv = 0;
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assert(xhp);
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assert(pkgd);
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assert(key);
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xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
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/* show install-msg if exists */
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msg = xbps_dictionary_get(pkgd, key);
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if (xbps_object_type(msg) != XBPS_TYPE_DATA)
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goto out;
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data = xbps_data_data_nocopy(msg);
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len = xbps_data_size(msg);
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if ((f = fmemopen(__UNCONST(data), len, "r")) == NULL) {
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rv = errno;
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xbps_dbg_printf(xhp, "[%s] %s: fmemopen %s\n", __func__, pkgver, strerror(rv));
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goto out;
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};
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buf = malloc(len+1);
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assert(buf);
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if (fread(buf, len, 1, f) != len) {
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if (ferror(f)) {
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rv = errno;
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xbps_dbg_printf(xhp, "[%s] %s: fread %s\n", __func__, pkgver, strerror(rv));
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goto out;
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}
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}
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/* terminate buffer and notify client to show the post-install message */
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buf[len] = '\0';
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if (strcmp(key, "install-msg") == 0)
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xbps_set_cb_state(xhp, XBPS_STATE_SHOW_INSTALL_MSG, 0, pkgver, "%s", buf);
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else
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xbps_set_cb_state(xhp, XBPS_STATE_SHOW_REMOVE_MSG, 0, pkgver, "%s", buf);
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out:
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if (f != NULL)
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fclose(f);
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if (buf != NULL)
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free(buf);
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return rv;
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}
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