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Also, don't allocate string entries one by one. Instead, allocate one page 

and divide it, to reduce memory usage.
This commit is contained in:
enami 2002-11-25 07:16:17 +00:00
parent 1ed8cb9316
commit 32d43b3252
1 changed files with 17 additions and 11 deletions
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28
sbin/restore/symtab.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: symtab.c,v 1.17 2002/11/18 04:38:43 enami Exp $ */
/* $NetBSD: symtab.c,v 1.18 2002/11/25 07:16:17 enami Exp $ */
/*
* Copyright (c) 1983, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)symtab.c 8.3 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: symtab.c,v 1.17 2002/11/18 04:38:43 enami Exp $");
__RCSID("$NetBSD: symtab.c,v 1.18 2002/11/25 07:16:17 enami Exp $");
#endif
#endif /* not lint */
@ -405,22 +405,28 @@ char *
savename(name)
char *name;
{
struct strhdr *np;
long len;
char *cp;
struct strhdr *np, *tp;
long len, siz;
char *cp, *ep;
if (name == NULL)
panic("bad name\n");
len = strlen(name);
np = strtblhdr[len / STRTBLINCR].next;
if (np != NULL) {
strtblhdr[len / STRTBLINCR].next = np->next;
cp = (char *)np;
} else {
cp = malloc((unsigned)allocsize(len));
tp = &strtblhdr[len / STRTBLINCR];
if (tp->next == NULL) {
cp = malloc(pagesize);
if (cp == NULL)
panic("no space for string table\n");
for (siz = allocsize(len), ep = (cp + pagesize) - siz;
cp <= ep; cp += siz) {
np = (struct strhdr *)cp;
np->next = tp->next;
tp->next = np;
}
}
np = tp->next;
tp->next = np->next;
cp = (char *)np;
(void) strcpy(cp, name);
return (cp);
}