make/loadapi.c
Paul Smith 3484c9675a Add memory allocation cleanup to loadable objects.
Add gmk_alloc() and gmk_free() functions so loadable objects can access our
memory model.  Also provide a more extensive example in the manual.
2013-05-04 17:38:53 -04:00

62 lines
1.7 KiB
C

/* API for GNU Make dynamic objects.
Copyright (C) 2013 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
version.
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 <http://www.gnu.org/licenses/>. */
#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(). */
void
gmk_free (char *s)
{
free (s);
}
/* Evaluate a buffer as make syntax.
Ideally eval_buffer() will take const char *, but not yet. */
void
gmk_eval (const char *buffer, const gmk_floc *floc)
{
char *s = xstrdup (buffer);
eval_buffer (s, floc);
free (s);
}
/* 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. */
void
gmk_add_function (const char *name,
char *(*func)(const char *nm, int argc, char **argv),
int min, int max, int expand)
{
define_new_function (reading_file, name, min, max, expand, func);
}