xbps/lib/cb_util.c

/*-
 * Licensed under the SPDX BSD-2-Clause identifier.
 * Use is subject to license terms, as specified in the LICENSE file.
 */

#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>

#include "xbps_api_impl.h"

#ifdef __clang__
#pragma clang diagnostic ignored "-Wformat-nonliteral"
#endif

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.xhp = xhp;
	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)(&xfcd, xhp->fetch_cb_data);
}

int HIDDEN
xbps_set_cb_state(struct xbps_handle *xhp,
		  xbps_state_t state,
		  int err,
		  const char *arg,
		  const char *fmt,
		  ...)
{
	struct xbps_state_cb_data xscd;
	char *buf = NULL;
	va_list va;
	int retval;

	if (xhp->state_cb == NULL)
		return 0;

	xscd.xhp = xhp;
	xscd.state = state;
	xscd.err = err;
	xscd.arg = arg;
	if (fmt != NULL) {
		va_start(va, fmt);
		retval = vasprintf(&buf, fmt, va);
		va_end(va);
		if (retval <= 0)
			xscd.desc = NULL;
		else
			xscd.desc = buf;
	}
	retval = (*xhp->state_cb)(&xscd, xhp->state_cb_data);
	if (buf != NULL)
		free(buf);

	return retval;
}