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Fix for inet from Tom H.

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This commit is contained in:
Bruce Momjian
1998-10-12 15:56:34 +00:00
parent 5d79f26e5b
commit a643d97f29
1 changed files with 16 additions and 11 deletions
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27
src/backend/utils/adt/inet_net_pton.c
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@ -16,7 +16,7 @@
*/ */
#if defined(LIBC_SCCS) && !defined(lint) #if defined(LIBC_SCCS) && !defined(lint)
static const char rcsid[] = "$Id: inet_net_pton.c,v 1.3 1998/10/12 01:30:26 momjian Exp $"; static const char rcsid[] = "$Id: inet_net_pton.c,v 1.4 1998/10/12 15:56:34 momjian Exp $";
#endif #endif
@ -105,7 +105,8 @@ inet_net_pton_ipv4(const char *src, u_char *dst, size_t size)
/* Hexadecimal: Eat nybble string. */ /* Hexadecimal: Eat nybble string. */
if (size <= 0) if (size <= 0)
goto emsgsize; goto emsgsize;
*dst = 0, dirty = 0; tmp = 0;
dirty = 0;
src++; /* skip x or X. */ src++; /* skip x or X. */
while ((ch = *src++) != '\0' && while ((ch = *src++) != '\0' &&
isascii(ch) && isxdigit(ch)) isascii(ch) && isxdigit(ch))
@ -114,16 +115,20 @@ inet_net_pton_ipv4(const char *src, u_char *dst, size_t size)
ch = tolower(ch); ch = tolower(ch);
n = strchr(xdigits, ch) - xdigits; n = strchr(xdigits, ch) - xdigits;
assert(n >= 0 && n <= 15); assert(n >= 0 && n <= 15);
*dst |= n; tmp = (tmp << 4) | n;
if (!dirty++) if (++dirty == 2) {
*dst <<= 4; if (size-- <= 0)
else if (--size > 0) goto emsgsize;
*++dst = 0, dirty = 0; *dst++ = (u_char) tmp;
else tmp = 0, dirty = 0;
goto emsgsize; }
}
if (dirty) {
if (size-- <= 0)
goto emsgsize;
tmp <<= 4;
*dst++ = (u_char) tmp;
} }
if (dirty)
size--;
} }
else if (isascii(ch) && isdigit(ch)) else if (isascii(ch) && isdigit(ch))
{ {