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/* API for GNU Make dynamic objects.
Copyright (C) 2013-2016 Free Software Foundation, Inc.
This file is part of GNU Make.
GNU Make 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 3 of the License, or (at your option) any later
GNU Make 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, see <>. */
#include "makeint.h"
#include "filedef.h"
#include "variable.h"
#include "dep.h"
/* Allocate a buffer in our context, so we can free it. */
char *
gmk_alloc (unsigned int len)
return xmalloc (len);
/* Free a buffer returned by gmk_expand(). */
gmk_free (char *s)
free (s);
/* Evaluate a buffer as make syntax.
Ideally eval_buffer() will take const char *, but not yet. */
gmk_eval (const char *buffer, const gmk_floc *gfloc)
/* Preserve existing variable buffer context. */
char *pbuf;
unsigned int plen;
char *s;
floc fl;
floc *flp;
if (gfloc)
fl.filenm = gfloc->filenm;
fl.lineno = gfloc->lineno;
fl.offset = 0;
flp = &fl;
flp = NULL;
install_variable_buffer (&pbuf, &plen);
s = xstrdup (buffer);
eval_buffer (s, flp);
free (s);
restore_variable_buffer (pbuf, plen);
/* Expand a string and return an allocated buffer.
Caller must call gmk_free() with this buffer. */
char *
gmk_expand (const char *ref)
return allocated_variable_expand (ref);
/* Register a function to be called from makefiles. */
gmk_add_function (const char *name, gmk_func_ptr func,
unsigned int min, unsigned int max, unsigned int flags)
define_new_function (reading_file, name, min, max, flags, func);