583 lines
11 KiB
C
583 lines
11 KiB
C
/* $NetBSD: util.c,v 1.22 2024/01/18 04:41:38 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This software was developed by the Computer Systems Engineering group
|
|
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
|
* contributed to Berkeley.
|
|
*
|
|
* All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Lawrence Berkeley Laboratories.
|
|
*
|
|
* 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.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* from: @(#)util.c 8.1 (Berkeley) 6/6/93
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
__RCSID("$NetBSD: util.c,v 1.22 2024/01/18 04:41:38 thorpej Exp $");
|
|
|
|
#include <sys/types.h>
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <util.h>
|
|
#include <err.h>
|
|
#include "defs.h"
|
|
|
|
extern const char *yyfile;
|
|
|
|
static void cfgvxerror(const char *, int, const char *, va_list)
|
|
__printflike(3, 0);
|
|
static void cfgvxdbg(const char *, int, const char *, va_list)
|
|
__printflike(3, 0);
|
|
static void cfgvxwarn(const char *, int, const char *, va_list)
|
|
__printflike(3, 0);
|
|
static void cfgvxmsg(const char *, int, const char *, const char *, va_list)
|
|
__printflike(4, 0);
|
|
|
|
/************************************************************/
|
|
|
|
/*
|
|
* Prefix stack
|
|
*/
|
|
|
|
static void
|
|
prefixlist_push(struct prefixlist *pl, const char *path)
|
|
{
|
|
struct prefix *prevpf = SLIST_FIRST(pl);
|
|
struct prefix *pf;
|
|
char *cp;
|
|
|
|
pf = ecalloc(1, sizeof(struct prefix));
|
|
|
|
if (prevpf != NULL) {
|
|
cp = emalloc(strlen(prevpf->pf_prefix) + 1 +
|
|
strlen(path) + 1);
|
|
(void) sprintf(cp, "%s/%s", prevpf->pf_prefix, path);
|
|
pf->pf_prefix = intern(cp);
|
|
free(cp);
|
|
} else
|
|
pf->pf_prefix = intern(path);
|
|
|
|
SLIST_INSERT_HEAD(pl, pf, pf_next);
|
|
}
|
|
|
|
static void
|
|
prefixlist_pop(struct prefixlist *allpl, struct prefixlist *pl)
|
|
{
|
|
struct prefix *pf;
|
|
|
|
if ((pf = SLIST_FIRST(pl)) == NULL) {
|
|
cfgerror("no prefixes on the stack to pop");
|
|
return;
|
|
}
|
|
|
|
SLIST_REMOVE_HEAD(pl, pf_next);
|
|
/* Remember this prefix for emitting -I... directives later. */
|
|
SLIST_INSERT_HEAD(allpl, pf, pf_next);
|
|
}
|
|
|
|
/*
|
|
* Push a prefix onto the prefix stack.
|
|
*/
|
|
void
|
|
prefix_push(const char *path)
|
|
{
|
|
prefixlist_push(&prefixes, path);
|
|
}
|
|
|
|
/*
|
|
* Pop a prefix off the prefix stack.
|
|
*/
|
|
void
|
|
prefix_pop(void)
|
|
{
|
|
prefixlist_pop(&allprefixes, &prefixes);
|
|
}
|
|
|
|
/*
|
|
* Push a buildprefix onto the buildprefix stack.
|
|
*/
|
|
void
|
|
buildprefix_push(const char *path)
|
|
{
|
|
prefixlist_push(&buildprefixes, path);
|
|
}
|
|
|
|
/*
|
|
* Pop a buildprefix off the buildprefix stack.
|
|
*/
|
|
void
|
|
buildprefix_pop(void)
|
|
{
|
|
prefixlist_pop(&allbuildprefixes, &buildprefixes);
|
|
}
|
|
|
|
/*
|
|
* Prepend the source path to a file name.
|
|
*/
|
|
char *
|
|
sourcepath(const char *file)
|
|
{
|
|
size_t len;
|
|
char *cp;
|
|
struct prefix *pf;
|
|
|
|
pf = SLIST_EMPTY(&prefixes) ? NULL : SLIST_FIRST(&prefixes);
|
|
if (pf != NULL && *pf->pf_prefix == '/')
|
|
len = strlen(pf->pf_prefix) + 1 + strlen(file) + 1;
|
|
else {
|
|
len = strlen(srcdir) + 1 + strlen(file) + 1;
|
|
if (pf != NULL)
|
|
len += strlen(pf->pf_prefix) + 1;
|
|
}
|
|
|
|
cp = emalloc(len);
|
|
|
|
if (pf != NULL) {
|
|
if (*pf->pf_prefix == '/')
|
|
(void) sprintf(cp, "%s/%s", pf->pf_prefix, file);
|
|
else
|
|
(void) sprintf(cp, "%s/%s/%s", srcdir,
|
|
pf->pf_prefix, file);
|
|
} else
|
|
(void) sprintf(cp, "%s/%s", srcdir, file);
|
|
return (cp);
|
|
}
|
|
|
|
/************************************************************/
|
|
|
|
/*
|
|
* Data structures
|
|
*/
|
|
|
|
/*
|
|
* nvlist
|
|
*/
|
|
|
|
struct nvlist *
|
|
newnv(const char *name, const char *str, void *ptr, long long i, struct nvlist *next)
|
|
{
|
|
struct nvlist *nv;
|
|
|
|
nv = ecalloc(1, sizeof(*nv));
|
|
nv->nv_next = next;
|
|
nv->nv_name = name;
|
|
nv->nv_str = str;
|
|
nv->nv_ptr = ptr;
|
|
nv->nv_num = i;
|
|
nv->nv_where.w_srcfile = yyfile;
|
|
nv->nv_where.w_srcline = currentline();
|
|
return nv;
|
|
}
|
|
|
|
/*
|
|
* Free an nvlist structure (just one).
|
|
*/
|
|
void
|
|
nvfree(struct nvlist *nv)
|
|
{
|
|
|
|
free(nv);
|
|
}
|
|
|
|
/*
|
|
* Free an nvlist (the whole list).
|
|
*/
|
|
void
|
|
nvfreel(struct nvlist *nv)
|
|
{
|
|
struct nvlist *next;
|
|
|
|
for (; nv != NULL; nv = next) {
|
|
next = nv->nv_next;
|
|
free(nv);
|
|
}
|
|
}
|
|
|
|
struct nvlist *
|
|
nvcat(struct nvlist *nv1, struct nvlist *nv2)
|
|
{
|
|
struct nvlist *nv;
|
|
|
|
if (nv1 == NULL)
|
|
return nv2;
|
|
|
|
for (nv = nv1; nv->nv_next != NULL; nv = nv->nv_next);
|
|
|
|
nv->nv_next = nv2;
|
|
return nv1;
|
|
}
|
|
|
|
/*
|
|
* Option definition lists
|
|
*/
|
|
|
|
struct defoptlist *
|
|
defoptlist_create(const char *name, const char *val, const char *lintval)
|
|
{
|
|
struct defoptlist *dl;
|
|
|
|
dl = emalloc(sizeof(*dl));
|
|
dl->dl_next = NULL;
|
|
dl->dl_name = name;
|
|
dl->dl_value = val;
|
|
dl->dl_lintvalue = lintval;
|
|
dl->dl_obsolete = 0;
|
|
dl->dl_mkvar = 0;
|
|
dl->dl_depends = NULL;
|
|
dl->dl_where.w_srcfile = yyfile;
|
|
dl->dl_where.w_srcline = currentline();
|
|
return dl;
|
|
}
|
|
|
|
void
|
|
defoptlist_destroy(struct defoptlist *dl)
|
|
{
|
|
struct defoptlist *next;
|
|
|
|
while (dl != NULL) {
|
|
next = dl->dl_next;
|
|
dl->dl_next = NULL;
|
|
|
|
// XXX should we assert that dl->dl_deps is null to
|
|
// be sure the deps have already been destroyed?
|
|
free(dl);
|
|
|
|
dl = next;
|
|
}
|
|
}
|
|
|
|
struct defoptlist *
|
|
defoptlist_append(struct defoptlist *dla, struct defoptlist *dlb)
|
|
{
|
|
struct defoptlist *dl;
|
|
|
|
if (dla == NULL)
|
|
return dlb;
|
|
|
|
for (dl = dla; dl->dl_next != NULL; dl = dl->dl_next)
|
|
;
|
|
|
|
dl->dl_next = dlb;
|
|
return dla;
|
|
}
|
|
|
|
/*
|
|
* Locator lists
|
|
*/
|
|
|
|
struct loclist *
|
|
loclist_create(const char *name, const char *string, long long num)
|
|
{
|
|
struct loclist *ll;
|
|
|
|
ll = emalloc(sizeof(*ll));
|
|
ll->ll_name = name;
|
|
ll->ll_string = string;
|
|
ll->ll_num = num;
|
|
ll->ll_next = NULL;
|
|
return ll;
|
|
}
|
|
|
|
void
|
|
loclist_destroy(struct loclist *ll)
|
|
{
|
|
struct loclist *next;
|
|
|
|
while (ll != NULL) {
|
|
next = ll->ll_next;
|
|
ll->ll_next = NULL;
|
|
free(ll);
|
|
ll = next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Attribute lists
|
|
*/
|
|
|
|
struct attrlist *
|
|
attrlist_create(void)
|
|
{
|
|
struct attrlist *al;
|
|
|
|
al = emalloc(sizeof(*al));
|
|
al->al_next = NULL;
|
|
al->al_this = NULL;
|
|
return al;
|
|
}
|
|
|
|
struct attrlist *
|
|
attrlist_cons(struct attrlist *next, struct attr *a)
|
|
{
|
|
struct attrlist *al;
|
|
|
|
al = attrlist_create();
|
|
al->al_next = next;
|
|
al->al_this = a;
|
|
return al;
|
|
}
|
|
|
|
void
|
|
attrlist_destroy(struct attrlist *al)
|
|
{
|
|
assert(al->al_next == NULL);
|
|
assert(al->al_this == NULL);
|
|
free(al);
|
|
}
|
|
|
|
void
|
|
attrlist_destroyall(struct attrlist *al)
|
|
{
|
|
struct attrlist *next;
|
|
|
|
while (al != NULL) {
|
|
next = al->al_next;
|
|
al->al_next = NULL;
|
|
/* XXX should we make the caller guarantee this? */
|
|
al->al_this = NULL;
|
|
attrlist_destroy(al);
|
|
al = next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Condition expressions
|
|
*/
|
|
|
|
/*
|
|
* Create an expression node.
|
|
*/
|
|
struct condexpr *
|
|
condexpr_create(enum condexpr_types type)
|
|
{
|
|
struct condexpr *cx;
|
|
|
|
cx = emalloc(sizeof(*cx));
|
|
cx->cx_type = type;
|
|
switch (type) {
|
|
|
|
case CX_ATOM:
|
|
cx->cx_atom = NULL;
|
|
break;
|
|
|
|
case CX_NOT:
|
|
cx->cx_not = NULL;
|
|
break;
|
|
|
|
case CX_AND:
|
|
cx->cx_and.left = NULL;
|
|
cx->cx_and.right = NULL;
|
|
break;
|
|
|
|
case CX_OR:
|
|
cx->cx_or.left = NULL;
|
|
cx->cx_or.right = NULL;
|
|
break;
|
|
|
|
default:
|
|
panic("condexpr_create: invalid expr type %d", (int)type);
|
|
}
|
|
return cx;
|
|
}
|
|
|
|
/*
|
|
* Free an expression tree.
|
|
*/
|
|
void
|
|
condexpr_destroy(struct condexpr *expr)
|
|
{
|
|
switch (expr->cx_type) {
|
|
|
|
case CX_ATOM:
|
|
/* nothing */
|
|
break;
|
|
|
|
case CX_NOT:
|
|
condexpr_destroy(expr->cx_not);
|
|
break;
|
|
|
|
case CX_AND:
|
|
condexpr_destroy(expr->cx_and.left);
|
|
condexpr_destroy(expr->cx_and.right);
|
|
break;
|
|
|
|
case CX_OR:
|
|
condexpr_destroy(expr->cx_or.left);
|
|
condexpr_destroy(expr->cx_or.right);
|
|
break;
|
|
|
|
default:
|
|
panic("condexpr_destroy: invalid expr type %d",
|
|
(int)expr->cx_type);
|
|
}
|
|
free(expr);
|
|
}
|
|
|
|
/************************************************************/
|
|
|
|
/*
|
|
* Diagnostic messages
|
|
*/
|
|
|
|
void
|
|
cfgdbg(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
extern const char *yyfile;
|
|
|
|
va_start(ap, fmt);
|
|
cfgvxdbg(yyfile, currentline(), fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
cfgwarn(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
extern const char *yyfile;
|
|
|
|
va_start(ap, fmt);
|
|
cfgvxwarn(yyfile, currentline(), fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
cfgxwarn(const char *file, int line, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
cfgvxwarn(file, line, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
static void
|
|
cfgvxdbg(const char *file, int line, const char *fmt, va_list ap)
|
|
{
|
|
cfgvxmsg(file, line, "debug: ", fmt, ap);
|
|
}
|
|
|
|
static void
|
|
cfgvxwarn(const char *file, int line, const char *fmt, va_list ap)
|
|
{
|
|
cfgvxmsg(file, line, "warning: ", fmt, ap);
|
|
}
|
|
|
|
/*
|
|
* External (config file) error. Complain, using current file
|
|
* and line number.
|
|
*/
|
|
void
|
|
cfgerror(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
extern const char *yyfile;
|
|
|
|
va_start(ap, fmt);
|
|
cfgvxerror(yyfile, currentline(), fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
/*
|
|
* Delayed config file error (i.e., something was wrong but we could not
|
|
* find out about it until later).
|
|
*/
|
|
void
|
|
cfgxerror(const char *file, int line, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
cfgvxerror(file, line, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
/*
|
|
* Internal form of error() and xerror().
|
|
*/
|
|
static void
|
|
cfgvxerror(const char *file, int line, const char *fmt, va_list ap)
|
|
{
|
|
cfgvxmsg(file, line, "", fmt, ap);
|
|
errors++;
|
|
}
|
|
|
|
|
|
/*
|
|
* Internal error, abort.
|
|
*/
|
|
__dead void
|
|
panic(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
(void)fprintf(stderr, "%s: panic: ", getprogname());
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
(void)putc('\n', stderr);
|
|
va_end(ap);
|
|
exit(2);
|
|
}
|
|
|
|
/*
|
|
* Internal form of error() and xerror().
|
|
*/
|
|
static void
|
|
cfgvxmsg(const char *file, int line, const char *msgclass, const char *fmt,
|
|
va_list ap)
|
|
{
|
|
|
|
(void)fprintf(stderr, "%s:%d: %s", file, line, msgclass);
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
(void)putc('\n', stderr);
|
|
}
|
|
|
|
void
|
|
autogen_comment(FILE *fp, const char *targetfile)
|
|
{
|
|
|
|
(void)fprintf(fp,
|
|
"/*\n"
|
|
" * MACHINE GENERATED: DO NOT EDIT\n"
|
|
" *\n"
|
|
" * %s, from \"%s\"\n"
|
|
" */\n\n",
|
|
targetfile, conffile);
|
|
}
|