xbps/lib/cb_util.c

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/*-
* Copyright (c) 2011-2012 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_VASPRINTF
# define _GNU_SOURCE /* for vasprintf(3) */
#endif
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xbps_api_impl.h"
void HIDDEN
xbps_set_cb_fetch(struct xbps_handle *xhp,
off_t file_size,
off_t file_offset,
off_t file_dloaded,
const char *file_name,
bool cb_start,
bool cb_update,
bool cb_end)
{
struct xbps_fetch_cb_data xfcd;
if (xhp->fetch_cb == NULL)
return;
xfcd.file_size = file_size;
xfcd.file_offset = file_offset;
xfcd.file_dloaded = file_dloaded;
xfcd.file_name = file_name;
xfcd.cb_start = cb_start;
xfcd.cb_update = cb_update;
xfcd.cb_end = cb_end;
(*xhp->fetch_cb)(xhp, &xfcd, xhp->fetch_cb_data);
}
void HIDDEN
xbps_set_cb_state(struct xbps_handle *xhp,
xbps_state_t state,
int err,
const char *pkgname,
const char *version,
const char *fmt,
...)
{
struct xbps_state_cb_data xscd;
char *buf = NULL;
va_list va;
int retval;
if (xhp->state_cb == NULL)
return;
xscd.state = state;
xscd.err = err;
xscd.pkgname = pkgname;
xscd.version = version;
if (fmt != NULL) {
va_start(va, fmt);
retval = vasprintf(&buf, fmt, va);
va_end(va);
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if (retval <= 0)
xscd.desc = NULL;
else
xscd.desc = buf;
}
(*xhp->state_cb)(xhp, &xscd, xhp->fetch_cb_data);
if (buf != NULL)
free(buf);
}