diff options
Diffstat (limited to 'resolv/base64.c')
| -rw-r--r-- | resolv/base64.c | 56 |
1 files changed, 20 insertions, 36 deletions
diff --git a/resolv/base64.c b/resolv/base64.c index 4e7e2a0..b7c7d1c 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); |