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File: [cvs.NetBSD.org] / src / lib / libc / citrus / citrus_pivot_factory.c (download)

Revision 1.7, Sun Apr 12 14:20:19 2009 UTC (11 years, 1 month ago) by lukem
Branch: MAIN
CVS Tags: yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-premerge-20091211, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-mips64-premerge-20101231, localcount-20160914, jym-xensuspend-nbase, jym-xensuspend-base, is-mlppp-base, is-mlppp, cherry-xenmp-base, cherry-xenmp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, HEAD
Changes since 1.6: +5 -5 lines

fix -Wcast-qual issue

/*	$NetBSD: citrus_pivot_factory.c,v 1.7 2009/04/12 14:20:19 lukem Exp $	*/

/*-
 * Copyright (c)2003 Citrus Project,
 * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
 */

#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: citrus_pivot_factory.c,v 1.7 2009/04/12 14:20:19 lukem Exp $");
#endif /* LIBC_SCCS and not lint */

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <limits.h>
#include <sys/queue.h>

#include "citrus_namespace.h"
#include "citrus_region.h"
#include "citrus_bcs.h"
#include "citrus_db_factory.h"
#include "citrus_db_hash.h"
#include "citrus_pivot_file.h"
#include "citrus_pivot_factory.h"

struct src_entry {
	char *se_name;
	struct _citrus_db_factory *se_df;
	SIMPLEQ_ENTRY(src_entry) se_entry;
};
SIMPLEQ_HEAD(src_head, src_entry);

static int
find_src(struct src_head *sh, struct src_entry **rse, const char *name)
{
	int ret;
	struct src_entry *se;

	SIMPLEQ_FOREACH(se, sh, se_entry) {
		if (_bcs_strcasecmp(se->se_name, name) == 0) {
			*rse = se;
			return 0;
		}
	}
	se = malloc(sizeof(*se));
	if (se == NULL)
		return errno;
	se->se_name = strdup(name);
	if (se->se_name == NULL) {
		ret = errno;
		free(se);
		return ret;
	}
	ret = _db_factory_create(&se->se_df, &_db_hash_std, NULL);
	if (ret) {
		free(se->se_name);
		free(se);
		return ret;
	}
	SIMPLEQ_INSERT_TAIL(sh, se, se_entry);
	*rse = se;

	return 0;
}

static void
free_src(struct src_head *sh)
{
	struct src_entry *se;

	while ((se = SIMPLEQ_FIRST(sh)) != NULL) {
		SIMPLEQ_REMOVE_HEAD(sh, se_entry);
		_db_factory_free(se->se_df);
		free(se->se_name);
		free(se);
	}
}


#define T_COMM '#'
static int
convert_line(struct src_head *sh, const char *line, size_t len)
{
	int ret;
	struct src_entry *se;
	const char *p;
	char key1[LINE_MAX], key2[LINE_MAX], data[LINE_MAX];
	char *ep;
	uint32_t val;

	se = NULL; /* XXX gcc */

	/* cut off trailing comment */
	p = memchr(line, T_COMM, len);
	if (p)
		len = p - line;

	/* key1 */
	line = _bcs_skip_ws_len(line, &len);
	if (len == 0)
		return 0;
	p = _bcs_skip_nonws_len(line, &len);
	if (p==line)
		return 0;
	snprintf(key1, sizeof(key1), "%.*s", (int)(p-line), line);

	/* key2 */
	line = _bcs_skip_ws_len(p, &len);
	if (len == 0)
		return 0;
	p = _bcs_skip_nonws_len(line, &len);
	if (p==line)
		return 0;
	snprintf(key2, sizeof(key2), "%.*s", (int)(p-line), line);

	/* data */
	line = _bcs_skip_ws_len(p, &len);
	_bcs_trunc_rws_len(line, &len);
	snprintf(data, sizeof(data), "%.*s", (int)len, line);
	val = strtoul(data, &ep, 0);
	if (*ep != '\0')
		return EFTYPE;

	/* insert to DB */
	ret = find_src(sh, &se, key1);
	if (ret)
		return ret;

	return _db_factory_add32_by_s(se->se_df, key2, val);
}

static int
dump_db(struct src_head *sh, struct _region *r)
{
	int ret;
	struct _db_factory *df;
	struct src_entry *se;
	size_t size;
	void *ptr;
	struct _region subr;

	ret = _db_factory_create(&df, &_db_hash_std, NULL);
	if (ret)
		return ret;

	SIMPLEQ_FOREACH(se, sh, se_entry) {
		size = _db_factory_calc_size(se->se_df);
		ptr = malloc(size);
		if (ptr == NULL)
			goto quit;
		_region_init(&subr, ptr, size);
		ret = _db_factory_serialize(se->se_df, _CITRUS_PIVOT_SUB_MAGIC,
					    &subr);
		if (ret)
			goto quit;
		ret = _db_factory_add_by_s(df, se->se_name, &subr, 1);
		if (ret)
			goto quit;
	}

	size = _db_factory_calc_size(df);
	ptr = malloc(size);
	if (ptr == NULL)
		goto quit;
	_region_init(r, ptr, size);

	ret = _db_factory_serialize(df, _CITRUS_PIVOT_MAGIC, r);
	ptr = NULL;

quit:
	free(ptr);
	_db_factory_free(df);
	return ret;
}

int
_citrus_pivot_factory_convert(FILE *out, FILE *in)
{
	struct src_head sh;
	struct _region r;
	char *line;
	size_t size;
	int ret;

	SIMPLEQ_INIT(&sh);

	while ((line = fgetln(in, &size)) != NULL)
		if ((ret = convert_line(&sh, line, size))) {
			free_src(&sh);
			return ret;
		}

	ret = dump_db(&sh, &r);
	free_src(&sh);
	if (ret)
		return ret;

	if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1)
		return errno;

	return 0;
}