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Replaced with <unistd.h>.
[gnulib.git]
/
lib
/
base64.c
diff --git
a/lib/base64.c
b/lib/base64.c
index
33aec10
..
f237cd6
100644
(file)
--- a/
lib/base64.c
+++ b/
lib/base64.c
@@
-41,9
+41,7
@@
*
*/
*
*/
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
/* Get prototype. */
#include "base64.h"
/* Get prototype. */
#include "base64.h"
@@
-149,72
+147,75
@@
base64_encode_alloc (const char *in, size_t inlen, char **out)
Base64 alphabet (A-Za-z0-9+/) are encoded in 0..255. POSIX
1003.1-2001 require that char and unsigned char are 8-bit
quantities, though, taking care of that problem. But this may be a
Base64 alphabet (A-Za-z0-9+/) are encoded in 0..255. POSIX
1003.1-2001 require that char and unsigned char are 8-bit
quantities, though, taking care of that problem. But this may be a
- potential problem on non-POSIX C99 platforms. */
-#define B64(x) \
- ((x) == 'A' ? 0 \
- : (x) == 'B' ? 1 \
- : (x) == 'C' ? 2 \
- : (x) == 'D' ? 3 \
- : (x) == 'E' ? 4 \
- : (x) == 'F' ? 5 \
- : (x) == 'G' ? 6 \
- : (x) == 'H' ? 7 \
- : (x) == 'I' ? 8 \
- : (x) == 'J' ? 9 \
- : (x) == 'K' ? 10 \
- : (x) == 'L' ? 11 \
- : (x) == 'M' ? 12 \
- : (x) == 'N' ? 13 \
- : (x) == 'O' ? 14 \
- : (x) == 'P' ? 15 \
- : (x) == 'Q' ? 16 \
- : (x) == 'R' ? 17 \
- : (x) == 'S' ? 18 \
- : (x) == 'T' ? 19 \
- : (x) == 'U' ? 20 \
- : (x) == 'V' ? 21 \
- : (x) == 'W' ? 22 \
- : (x) == 'X' ? 23 \
- : (x) == 'Y' ? 24 \
- : (x) == 'Z' ? 25 \
- : (x) == 'a' ? 26 \
- : (x) == 'b' ? 27 \
- : (x) == 'c' ? 28 \
- : (x) == 'd' ? 29 \
- : (x) == 'e' ? 30 \
- : (x) == 'f' ? 31 \
- : (x) == 'g' ? 32 \
- : (x) == 'h' ? 33 \
- : (x) == 'i' ? 34 \
- : (x) == 'j' ? 35 \
- : (x) == 'k' ? 36 \
- : (x) == 'l' ? 37 \
- : (x) == 'm' ? 38 \
- : (x) == 'n' ? 39 \
- : (x) == 'o' ? 40 \
- : (x) == 'p' ? 41 \
- : (x) == 'q' ? 42 \
- : (x) == 'r' ? 43 \
- : (x) == 's' ? 44 \
- : (x) == 't' ? 45 \
- : (x) == 'u' ? 46 \
- : (x) == 'v' ? 47 \
- : (x) == 'w' ? 48 \
- : (x) == 'x' ? 49 \
- : (x) == 'y' ? 50 \
- : (x) == 'z' ? 51 \
- : (x) == '0' ? 52 \
- : (x) == '1' ? 53 \
- : (x) == '2' ? 54 \
- : (x) == '3' ? 55 \
- : (x) == '4' ? 56 \
- : (x) == '5' ? 57 \
- : (x) == '6' ? 58 \
- : (x) == '7' ? 59 \
- : (x) == '8' ? 60 \
- : (x) == '9' ? 61 \
- : (x) == '+' ? 62 \
- : (x) == '/' ? 63 \
+ potential problem on non-POSIX C99 platforms.
+
+ IBM C V6 for AIX mishandles "#define B64(x) ...'x'...", so use "_"
+ as the formal parameter rather than "x". */
+#define B64(_) \
+ ((_) == 'A' ? 0 \
+ : (_) == 'B' ? 1 \
+ : (_) == 'C' ? 2 \
+ : (_) == 'D' ? 3 \
+ : (_) == 'E' ? 4 \
+ : (_) == 'F' ? 5 \
+ : (_) == 'G' ? 6 \
+ : (_) == 'H' ? 7 \
+ : (_) == 'I' ? 8 \
+ : (_) == 'J' ? 9 \
+ : (_) == 'K' ? 10 \
+ : (_) == 'L' ? 11 \
+ : (_) == 'M' ? 12 \
+ : (_) == 'N' ? 13 \
+ : (_) == 'O' ? 14 \
+ : (_) == 'P' ? 15 \
+ : (_) == 'Q' ? 16 \
+ : (_) == 'R' ? 17 \
+ : (_) == 'S' ? 18 \
+ : (_) == 'T' ? 19 \
+ : (_) == 'U' ? 20 \
+ : (_) == 'V' ? 21 \
+ : (_) == 'W' ? 22 \
+ : (_) == 'X' ? 23 \
+ : (_) == 'Y' ? 24 \
+ : (_) == 'Z' ? 25 \
+ : (_) == 'a' ? 26 \
+ : (_) == 'b' ? 27 \
+ : (_) == 'c' ? 28 \
+ : (_) == 'd' ? 29 \
+ : (_) == 'e' ? 30 \
+ : (_) == 'f' ? 31 \
+ : (_) == 'g' ? 32 \
+ : (_) == 'h' ? 33 \
+ : (_) == 'i' ? 34 \
+ : (_) == 'j' ? 35 \
+ : (_) == 'k' ? 36 \
+ : (_) == 'l' ? 37 \
+ : (_) == 'm' ? 38 \
+ : (_) == 'n' ? 39 \
+ : (_) == 'o' ? 40 \
+ : (_) == 'p' ? 41 \
+ : (_) == 'q' ? 42 \
+ : (_) == 'r' ? 43 \
+ : (_) == 's' ? 44 \
+ : (_) == 't' ? 45 \
+ : (_) == 'u' ? 46 \
+ : (_) == 'v' ? 47 \
+ : (_) == 'w' ? 48 \
+ : (_) == 'x' ? 49 \
+ : (_) == 'y' ? 50 \
+ : (_) == 'z' ? 51 \
+ : (_) == '0' ? 52 \
+ : (_) == '1' ? 53 \
+ : (_) == '2' ? 54 \
+ : (_) == '3' ? 55 \
+ : (_) == '4' ? 56 \
+ : (_) == '5' ? 57 \
+ : (_) == '6' ? 58 \
+ : (_) == '7' ? 59 \
+ : (_) == '8' ? 60 \
+ : (_) == '9' ? 61 \
+ : (_) == '+' ? 62 \
+ : (_) == '/' ? 63 \
: -1)
static const signed char b64[0x100] = {
: -1)
static const signed char b64[0x100] = {
@@
-291,7
+292,8
@@
static const signed char b64[0x100] = {
#endif
/* Return true if CH is a character from the Base64 alphabet, and
#endif
/* Return true if CH is a character from the Base64 alphabet, and
- false otherwise. */
+ false otherwise. Note that '=' is padding and not considered to be
+ part of the alphabet. */
bool
isbase64 (char ch)
{
bool
isbase64 (char ch)
{
@@
-304,7
+306,9
@@
isbase64 (char ch)
otherwise. If *OUTLEN is too small, as many bytes as possible will
be written to OUT. On return, *OUTLEN holds the length of decoded
bytes in OUT. Note that as soon as any non-alphabet characters are
otherwise. If *OUTLEN is too small, as many bytes as possible will
be written to OUT. On return, *OUTLEN holds the length of decoded
bytes in OUT. Note that as soon as any non-alphabet characters are
- encountered, decoding is stopped and false is returned. */
+ encountered, decoding is stopped and false is returned. This means
+ that, when applicable, you must remove any line terminators that is
+ part of the data stream before calling this function. */
bool
base64_decode (const char *restrict in, size_t inlen,
char *restrict out, size_t *outlen)
bool
base64_decode (const char *restrict in, size_t inlen,
char *restrict out, size_t *outlen)