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Return a useful errno value in the overflow case.

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Also, print a message to stderr in one more case.
This commit is contained in:
mycroft 1999-07-29 00:19:43 +00:00
parent 101ccd31ba
commit 343c90058f
1 changed files with 9 additions and 3 deletions
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12
lib/libc/db/hash/hash_page.c
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@ -1,4 +1,4 @@
/* $NetBSD: hash_page.c,v 1.13 1998/12/09 12:42:50 christos Exp $ */
/* $NetBSD: hash_page.c,v 1.14 1999/07/29 00:19:43 mycroft Exp $ */
/*-
* Copyright (c) 1990, 1993, 1994
@ -41,7 +41,7 @@
#if 0
static char sccsid[] = "@(#)hash_page.c 8.7 (Berkeley) 8/16/94";
#else
__RCSID("$NetBSD: hash_page.c,v 1.13 1998/12/09 12:42:50 christos Exp $");
__RCSID("$NetBSD: hash_page.c,v 1.14 1999/07/29 00:19:43 mycroft Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -723,6 +723,7 @@ overflow_page(hashp)
if (offset > SPLITMASK) {
if (++splitnum >= NCACHED) {
(void)write(STDERR_FILENO, OVMSG, sizeof(OVMSG) - 1);
errno = EFBIG;
return (0);
}
hashp->OVFL_POINT = splitnum;
@ -736,6 +737,7 @@ overflow_page(hashp)
free_page++;
if (free_page >= NCACHED) {
(void)write(STDERR_FILENO, OVMSG, sizeof(OVMSG) - 1);
errno = EFBIG;
return (0);
}
/*
@ -761,6 +763,7 @@ overflow_page(hashp)
if (++splitnum >= NCACHED) {
(void)write(STDERR_FILENO, OVMSG,
sizeof(OVMSG) - 1);
errno = EFBIG;
return (0);
}
hashp->OVFL_POINT = splitnum;
@ -804,8 +807,11 @@ found:
/* Calculate the split number for this page */
for (i = 0; (i < splitnum) && (bit > hashp->SPARES[i]); i++);
offset = (i ? bit - hashp->SPARES[i - 1] : bit);
if (offset >= SPLITMASK)
if (offset >= SPLITMASK) {
(void)write(STDERR_FILENO, OVMSG, sizeof(OVMSG) - 1);
errno = EFBIG;
return (0); /* Out of overflow pages */
}
addr = OADDR_OF(i, offset);
#ifdef DEBUG2
(void)fprintf(stderr, "OVERFLOW_PAGE: ADDR: %d BIT: %d PAGE %d\n",