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/*
* cook - file construction tool
* Copyright (C) 1999 Peter Miller;
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to manipulate fingerprints
*/
#include <fingerprint.h>
#include <fingerprint/find.h>
#include <fingerprint/record.h>
#include <fingerprint/subdir.h>
#include <trace.h>
/*
* NAME
* fp_search
*
* SYNOPSIS
* fp_value_ty *fp_search(string_ty *path);
*
* DESCRIPTION
* The fp_search function is used to search for a cached fingerprint.
* It returns a pointer to a fingerprint value if this file is known,
* or the NULL pointer if not.
*
* If necessary, the cache files will be read in if they have not
* been read already.
*/
fp_value_ty *
fp_search(path)
string_ty *path;
{
fp_record_ty *p;
trace(("fp_search(path = \"%s\")\n{\n", path->str_text));
p = fp_find_record(path);
if (!p->exists)
{
trace(("return NULL;\n"));
trace(("}\n"));
return 0;
}
trace(("return %08lX;\n", (long)&p->value));
trace(("}\n"));
return &p->value;
}
/*
* NAME
* fp_assign
*
* SYNOPSIS
* void fp_assign(string_ty *path, fp_value_ty *value);
*
* DESCRIPTION
* The fp_assign function is used to assign a fingerprint value
* into the fingerprint cache.
*
* When Cook terminates, the cache will be written out again,
* to preserve the fingerprints for the next Cook run.
*/
void
fp_assign(path, fp)
string_ty *path;
fp_value_ty *fp;
{
fp_record_ty *p;
trace(("fp_assign(path = \"%s\", fp = %08lX)\n{\n",
path->str_text, (long)fp));
p = fp_find_record(path);
fp_record_update(p, fp);
trace(("}\n"));
}
/*
* NAME
* fp_delete
*
* SYNOPSIS
* void fp_delete(string_ty *path);
*
* DESCRIPTION
* The fp_delete function is used to delete a fingerprint value
* from the cache.
*
* When Cook terminates, the cache will be written out again,
* to preserve the fingerprints for the next Cook run.
*/
void
fp_delete(path)
string_ty *path;
{
fp_record_ty *p;
trace(("fp_delete(path = \"%s\")\n{\n", path->str_text));
p = fp_find_record(path);
fp_record_clear(p);
trace(("}\n"));
}
/*
* NAME
* fp_tweak
*
* SYNOPSIS
* void fp_tweak(void);
*
* DESCRIPTION
* The fp_tweak function is used to walk down the directory tree
* below ``.'' fingerprinting all of the files and updating the
* fingerprint cache files.
*/
void
fp_tweak()
{
static string_ty *dot;
if (!dot)
dot = str_from_c(".");
fp_subdir_tweak(fp_find_subdir(dot, 1));
}
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