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-rw-r--r--resolv/base64.c56
1 files changed, 20 insertions, 36 deletions
diff --git a/resolv/base64.c b/resolv/base64.c
index 4e7e2a06d5..b7c7d1c1b8 100644
--- a/resolv/base64.c
+++ b/resolv/base64.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1996 by Internet Software Consortium.
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -40,9 +40,14 @@
* IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
+#if !defined(LINT) && !defined(CODECENTER)
+static const char rcsid[] = "$BINDId: base64.c,v 8.7 1999/10/13 16:39:33 vixie Exp $";
+#endif /* not lint */
+
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
+
#include <netinet/in.h>
#include <arpa/inet.h>
#include <arpa/nameser.h>
@@ -50,13 +55,8 @@
#include <ctype.h>
#include <resolv.h>
#include <stdio.h>
-
-#if defined(BSD) && (BSD >= 199103) && defined(AF_INET6)
-# include <stdlib.h>
-# include <string.h>
-#else
-# include "../conf/portability.h"
-#endif
+#include <stdlib.h>
+#include <string.h>
#define Assert(Cond) if (!(Cond)) abort()
@@ -112,9 +112,9 @@ static const char Pad64 = '=';
end of the data is performed using the '=' character.
Since all base64 input is an integral number of octets, only the
- -------------------------------------------------
+ -------------------------------------------------
following cases can arise:
-
+
(1) the final quantum of encoding input is an integral
multiple of 24 bits; here, the final unit of encoded
output will be an integral multiple of 4 characters
@@ -128,12 +128,7 @@ static const char Pad64 = '=';
*/
int
-b64_ntop(src, srclength, target, targsize)
- u_char const *src;
- size_t srclength;
- char *target;
- size_t targsize;
-{
+b64_ntop(u_char const *src, size_t srclength, char *target, size_t targsize) {
size_t datalength = 0;
u_char input[3];
u_char output[4];
@@ -161,14 +156,14 @@ b64_ntop(src, srclength, target, targsize)
target[datalength++] = Base64[output[2]];
target[datalength++] = Base64[output[3]];
}
-
+
/* Now we worry about padding. */
if (0 != srclength) {
/* Get what's left. */
input[0] = input[1] = input[2] = '\0';
for (i = 0; i < srclength; i++)
input[i] = *src++;
-
+
output[0] = input[0] >> 2;
output[1] = ((input[0] & 0x03) << 4) + (input[1] >> 4);
output[2] = ((input[1] & 0x0f) << 2) + (input[2] >> 6);
@@ -204,8 +199,7 @@ b64_pton(src, target, targsize)
u_char *target;
size_t targsize;
{
- size_t tarindex;
- int state, ch;
+ int tarindex, state, ch;
char *pos;
state = 0;
@@ -225,7 +219,7 @@ b64_pton(src, target, targsize)
switch (state) {
case 0:
if (target) {
- if (tarindex >= targsize)
+ if ((size_t)tarindex >= targsize)
return (-1);
target[tarindex] = (pos - Base64) << 2;
}
@@ -233,7 +227,7 @@ b64_pton(src, target, targsize)
break;
case 1:
if (target) {
- if (tarindex + 1 >= targsize)
+ if ((size_t)tarindex + 1 >= targsize)
return (-1);
target[tarindex] |= (pos - Base64) >> 4;
target[tarindex+1] = ((pos - Base64) & 0x0f)
@@ -244,7 +238,7 @@ b64_pton(src, target, targsize)
break;
case 2:
if (target) {
- if (tarindex + 1 >= targsize)
+ if ((size_t)tarindex + 1 >= targsize)
return (-1);
target[tarindex] |= (pos - Base64) >> 2;
target[tarindex+1] = ((pos - Base64) & 0x03)
@@ -255,7 +249,7 @@ b64_pton(src, target, targsize)
break;
case 3:
if (target) {
- if (tarindex >= targsize)
+ if ((size_t)tarindex >= targsize)
return (-1);
target[tarindex] |= (pos - Base64);
}
@@ -281,12 +275,7 @@ b64_pton(src, target, targsize)
case 2: /* Valid, means one byte of info */
/* Skip any number of spaces. */
-#ifdef _LIBC
- /* To avoid warnings. */
- for ( ; ch != '\0'; ch = *src++)
-#else
- for (NULL; ch != '\0'; ch = *src++)
-#endif
+ for ((void)NULL; ch != '\0'; ch = *src++)
if (!isspace(ch))
break;
/* Make sure there is another trailing = sign. */
@@ -301,12 +290,7 @@ b64_pton(src, target, targsize)
* We know this char is an =. Is there anything but
* whitespace after it?
*/
-#ifdef _LIBC
- /* To avoid warnings. */
- for ( ; ch != '\0'; ch = *src++)
-#else
- for (NULL; ch != '\0'; ch = *src++)
-#endif
+ for ((void)NULL; ch != '\0'; ch = *src++)
if (!isspace(ch))
return (-1);