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- Avoid adding devices multiple times to the device list.

Browse Source 
- Avoid adding options multiple times to the option list.

Based on a patch by:	Matt Emmerton <matt@gsicomp.on.ca>
This commit is contained in:
Ruslan Ermilov 2005-12-30 16:28:06 +00:00
parent 22025511b4
commit 8ee64886ef
2 changed files with 64 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
usr.sbin/config/config.y
View File

@ -343,13 +343,33 @@ newfile(char *name)
}
/*
* add a device to the list of devices
* Find a device in the list of devices.
*/
static struct device *
finddev(char *name)
{
struct device *dp;
STAILQ_FOREACH(dp, &dtab, d_next)
if (eq(dp->d_name, name))
return (dp);
return (NULL);
}
/*
* Add a device to the list of devices.
*/
static void
newdev(char *name)
{
struct device *np;
if (finddev(name)) {
printf("WARNING: duplicate device `%s' encountered.\n", name);
return;
}
np = (struct device *) malloc(sizeof *np);
memset(np, 0, sizeof(*np));
np->d_name = name;
@ -357,31 +377,49 @@ newdev(char *name)
}
/*
* remove a device from the list of devices
* Remove a device from the list of devices.
*/
static void
rmdev(char *name)
{
struct device *dp, *rmdp;
struct device *dp;
STAILQ_FOREACH(dp, &dtab, d_next) {
if (eq(dp->d_name, name)) {
rmdp = dp;
dp = STAILQ_NEXT(dp, d_next);
STAILQ_REMOVE(&dtab, rmdp, device, d_next);
free(rmdp->d_name);
free(rmdp);
if (dp == NULL)
break;
}
dp = finddev(name);
if (dp != NULL) {
STAILQ_REMOVE(&dtab, dp, device, d_next);
free(dp->d_name);
free(dp);
}
}
/*
* Find an option in the list of options.
*/
static struct opt *
findopt(struct opt_head *list, char *name)
{
struct opt *op;
SLIST_FOREACH(op, list, op_next)
if (eq(op->op_name, name))
return (op);
return (NULL);
}
/*
* Add an option to the list of options.
*/
static void
newopt(struct opt_head *list, char *name, char *value)
{
struct opt *op;
if (findopt(list, name)) {
printf("WARNING: duplicate option `%s' encountered.\n", name);
return;
}
op = (struct opt *)malloc(sizeof (struct opt));
memset(op, 0, sizeof(*op));
op->op_name = name;
@ -390,22 +428,20 @@ newopt(struct opt_head *list, char *name, char *value)
SLIST_INSERT_HEAD(list, op, op_next);
}
/*
* Remove an option from the list of options.
*/
static void
rmopt(struct opt_head *list, char *name)
{
struct opt *op, *rmop;
struct opt *op;
SLIST_FOREACH(op, list, op_next) {
if (eq(op->op_name, name)) {
rmop = op;
op = SLIST_NEXT(op, op_next);
SLIST_REMOVE(list, rmop, opt, op_next);
free(rmop->op_name);
if (rmop->op_value != NULL)
free(rmop->op_value);
free(rmop);
if (op == NULL)
break;
}
op = findopt(list, name);
if (op != NULL) {
SLIST_REMOVE(list, op, opt, op_next);
free(op->op_name);
if (op->op_value != NULL)
free(op->op_value);
free(op);
}
}

7
usr.sbin/config/mkmakefile.c
View File

@ -310,7 +310,7 @@ read_file(char *fname)
struct device *dp;
struct opt *op;
char *wd, *this, *compilewith, *depends, *clean, *warning;
int compile, match, nreqs, devfound, std, filetype,
int compile, match, nreqs, std, filetype,
imp_rule, no_obj, before_depend, mandatory, nowerror;
fp = fopen(fname, "r");
@ -465,14 +465,11 @@ read_file(char *fname)
nowerror = 1;
goto nextparam;
}
devfound = 0; /* XXX duplicate device entries */
STAILQ_FOREACH(dp, &dtab, d_next)
if (eq(dp->d_name, wd)) {
dp->d_done |= DEVDONE;
devfound = 1;
}
if (devfound)
goto nextparam;
}
if (mandatory) {
printf("%s: mandatory device \"%s\" not found\n",
fname, wd);