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Return meaningful errno in overflow case; print error message to stderr

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in one more case.

Obtained from:	NetBSD via OpenBSD
This commit is contained in:
Xin LI 2009-03-28 06:12:39 +00:00
parent d3b2afad1b
commit a53e89e3a1
1 changed files with 7 additions and 1 deletions
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8
lib/libc/db/hash/hash_page.c
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@ -687,6 +687,7 @@ overflow_page(HTAB *hashp)
if (offset > SPLITMASK) {
if (++splitnum >= NCACHED) {
(void)_write(STDERR_FILENO, OVMSG, sizeof(OVMSG) - 1);
errno = EFBIG;
return (0);
}
hashp->OVFL_POINT = splitnum;
@ -700,6 +701,7 @@ overflow_page(HTAB *hashp)
free_page++;
if (free_page >= NCACHED) {
(void)_write(STDERR_FILENO, OVMSG, sizeof(OVMSG) - 1);
errno = EFBIG;
return (0);
}
/*
@ -725,6 +727,7 @@ overflow_page(HTAB *hashp)
if (++splitnum >= NCACHED) {
(void)_write(STDERR_FILENO, OVMSG,
sizeof(OVMSG) - 1);
errno = EFBIG;
return (0);
}
hashp->OVFL_POINT = splitnum;
@ -768,8 +771,11 @@ overflow_page(HTAB *hashp)
/* 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",