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-rw-r--r--Source/kwsys/Base64.c218
1 files changed, 87 insertions, 131 deletions
diff --git a/Source/kwsys/Base64.c b/Source/kwsys/Base64.c
index 4b8ede2..37c3b8c 100644
--- a/Source/kwsys/Base64.c
+++ b/Source/kwsys/Base64.c
@@ -1,65 +1,43 @@
-/*============================================================================
- KWSys - Kitware System Library
- Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
-
- Distributed under the OSI-approved BSD License (the "License");
- see accompanying file Copyright.txt for details.
-
- This software is distributed WITHOUT ANY WARRANTY; without even the
- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the License for more information.
-============================================================================*/
+/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+ file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
#include "kwsysPrivate.h"
#include KWSYS_HEADER(Base64.h)
/* Work-around CMake dependency scanning limitation. This must
duplicate the above list of headers. */
#if 0
-# include "Base64.h.in"
+#include "Base64.h.in"
#endif
/*--------------------------------------------------------------------------*/
static const unsigned char kwsysBase64EncodeTable[65] =
-"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-"abcdefghijklmnopqrstuvwxyz"
-"0123456789+/";
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz"
+ "0123456789+/";
/*--------------------------------------------------------------------------*/
-static const unsigned char kwsysBase64DecodeTable[256] =
-{
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0x3E,0xFF,0xFF,0xFF,0x3F,
- 0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,
- 0x3C,0x3D,0xFF,0xFF,0xFF,0x00,0xFF,0xFF,
- 0xFF,0x00,0x01,0x02,0x03,0x04,0x05,0x06,
- 0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,
- 0x0F,0x10,0x11,0x12,0x13,0x14,0x15,0x16,
- 0x17,0x18,0x19,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,
- 0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
- 0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,0x30,
- 0x31,0x32,0x33,0xFF,0xFF,0xFF,0xFF,0xFF,
+static const unsigned char kwsysBase64DecodeTable[256] = {
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0x3E, 0xFF, 0xFF, 0xFF, 0x3F, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,
+ 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
+ 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D,
+ 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
/*------------------------------------*/
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
- 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
/*--------------------------------------------------------------------------*/
@@ -76,27 +54,30 @@ static unsigned char kwsysBase64DecodeChar(unsigned char c)
/*--------------------------------------------------------------------------*/
/* Encode 3 bytes into a 4 byte string. */
-void kwsysBase64_Encode3(const unsigned char *src, unsigned char *dest)
+void kwsysBase64_Encode3(const unsigned char* src, unsigned char* dest)
{
dest[0] = kwsysBase64EncodeChar((src[0] >> 2) & 0x3F);
- dest[1] = kwsysBase64EncodeChar(((src[0] << 4) & 0x30)|((src[1] >> 4) & 0x0F));
- dest[2] = kwsysBase64EncodeChar(((src[1] << 2) & 0x3C)|((src[2] >> 6) & 0x03));
+ dest[1] =
+ kwsysBase64EncodeChar(((src[0] << 4) & 0x30) | ((src[1] >> 4) & 0x0F));
+ dest[2] =
+ kwsysBase64EncodeChar(((src[1] << 2) & 0x3C) | ((src[2] >> 6) & 0x03));
dest[3] = kwsysBase64EncodeChar(src[2] & 0x3F);
}
/*--------------------------------------------------------------------------*/
/* Encode 2 bytes into a 4 byte string. */
-void kwsysBase64_Encode2(const unsigned char *src, unsigned char *dest)
+void kwsysBase64_Encode2(const unsigned char* src, unsigned char* dest)
{
dest[0] = kwsysBase64EncodeChar((src[0] >> 2) & 0x3F);
- dest[1] = kwsysBase64EncodeChar(((src[0] << 4) & 0x30)|((src[1] >> 4) & 0x0F));
+ dest[1] =
+ kwsysBase64EncodeChar(((src[0] << 4) & 0x30) | ((src[1] >> 4) & 0x0F));
dest[2] = kwsysBase64EncodeChar(((src[1] << 2) & 0x3C));
dest[3] = '=';
}
/*--------------------------------------------------------------------------*/
/* Encode 1 bytes into a 4 byte string. */
-void kwsysBase64_Encode1(const unsigned char *src, unsigned char *dest)
+void kwsysBase64_Encode1(const unsigned char* src, unsigned char* dest)
{
dest[0] = kwsysBase64EncodeChar((src[0] >> 2) & 0x3F);
dest[1] = kwsysBase64EncodeChar(((src[0] << 4) & 0x30));
@@ -115,54 +96,48 @@ void kwsysBase64_Encode1(const unsigned char *src, unsigned char *dest)
actually knowing how much data to expect (if the input is not a multiple of
3 bytes then the extra padding needed to complete the encode 4 bytes will
stop the decoding anyway). */
-size_t kwsysBase64_Encode(const unsigned char *input,
- size_t length,
- unsigned char *output,
- int mark_end)
+size_t kwsysBase64_Encode(const unsigned char* input, size_t length,
+ unsigned char* output, int mark_end)
{
- const unsigned char *ptr = input;
- const unsigned char *end = input + length;
- unsigned char *optr = output;
+ const unsigned char* ptr = input;
+ const unsigned char* end = input + length;
+ unsigned char* optr = output;
/* Encode complete triplet */
- while ((end - ptr) >= 3)
- {
+ while ((end - ptr) >= 3) {
kwsysBase64_Encode3(ptr, optr);
ptr += 3;
optr += 4;
- }
+ }
/* Encodes a 2-byte ending into 3 bytes and 1 pad byte and writes. */
- if (end - ptr == 2)
- {
+ if (end - ptr == 2) {
kwsysBase64_Encode2(ptr, optr);
optr += 4;
- }
+ }
/* Encodes a 1-byte ending into 2 bytes and 2 pad bytes */
-
- else if (end - ptr == 1)
- {
+
+ else if (end - ptr == 1) {
kwsysBase64_Encode1(ptr, optr);
optr += 4;
- }
+ }
/* Do we need to mark the end */
- else if (mark_end)
- {
+ else if (mark_end) {
optr[0] = optr[1] = optr[2] = optr[3] = '=';
optr += 4;
- }
+ }
return (size_t)(optr - output);
}
/*--------------------------------------------------------------------------*/
/* Decode 4 bytes into a 3 byte string. */
-int kwsysBase64_Decode3(const unsigned char *src, unsigned char *dest)
+int kwsysBase64_Decode3(const unsigned char* src, unsigned char* dest)
{
unsigned char d0, d1, d2, d3;
@@ -170,35 +145,32 @@ int kwsysBase64_Decode3(const unsigned char *src, unsigned char *dest)
d1 = kwsysBase64DecodeChar(src[1]);
d2 = kwsysBase64DecodeChar(src[2]);
d3 = kwsysBase64DecodeChar(src[3]);
-
+
/* Make sure all characters were valid */
- if (d0 == 0xFF || d1 == 0xFF || d2 == 0xFF || d3 == 0xFF)
- {
- return 0;
- }
-
+ if (d0 == 0xFF || d1 == 0xFF || d2 == 0xFF || d3 == 0xFF) {
+ return 0;
+ }
+
/* Decode the 3 bytes */
dest[0] = (unsigned char)(((d0 << 2) & 0xFC) | ((d1 >> 4) & 0x03));
dest[1] = (unsigned char)(((d1 << 4) & 0xF0) | ((d2 >> 2) & 0x0F));
dest[2] = (unsigned char)(((d2 << 6) & 0xC0) | ((d3 >> 0) & 0x3F));
-
+
/* Return the number of bytes actually decoded */
- if (src[2] == '=')
- {
- return 1;
- }
- if (src[3] == '=')
- {
- return 2;
- }
+ if (src[2] == '=') {
+ return 1;
+ }
+ if (src[3] == '=') {
+ return 2;
+ }
return 3;
}
/*--------------------------------------------------------------------------*/
-/* Decode bytes from the input buffer and store the decoded stream
+/* Decode bytes from the input buffer and store the decoded stream
into the output buffer until 'length' bytes have been decoded. Return the
real length of the decoded stream (which should be equal to 'length'). Note
that the output buffer must be allocated by the caller. If
@@ -207,73 +179,57 @@ int kwsysBase64_Decode3(const unsigned char *src, unsigned char *dest)
'length' parameter is ignored. This enables the caller to decode a stream
without actually knowing how much decoded data to expect (of course, the
buffer must be large enough). */
-size_t kwsysBase64_Decode(const unsigned char *input,
- size_t length,
- unsigned char *output,
- size_t max_input_length)
+size_t kwsysBase64_Decode(const unsigned char* input, size_t length,
+ unsigned char* output, size_t max_input_length)
{
- const unsigned char *ptr = input;
- unsigned char *optr = output;
+ const unsigned char* ptr = input;
+ unsigned char* optr = output;
/* Decode complete triplet */
- if (max_input_length)
- {
- const unsigned char *end = input + max_input_length;
- while (ptr < end)
- {
+ if (max_input_length) {
+ const unsigned char* end = input + max_input_length;
+ while (ptr < end) {
int len = kwsysBase64_Decode3(ptr, optr);
optr += len;
- if(len < 3)
- {
+ if (len < 3) {
return (size_t)(optr - output);
- }
- ptr += 4;
}
- }
- else
- {
- unsigned char *oend = output + length;
- while ((oend - optr) >= 3)
- {
+ ptr += 4;
+ }
+ } else {
+ unsigned char* oend = output + length;
+ while ((oend - optr) >= 3) {
int len = kwsysBase64_Decode3(ptr, optr);
optr += len;
- if(len < 3)
- {
+ if (len < 3) {
return (size_t)(optr - output);
- }
- ptr += 4;
}
+ ptr += 4;
+ }
/* Decode the last triplet */
-
- if (oend - optr == 2)
- {
+
+ if (oend - optr == 2) {
unsigned char temp[3];
int len = kwsysBase64_Decode3(ptr, temp);
- if(len >= 2)
- {
+ if (len >= 2) {
optr[0] = temp[0];
optr[1] = temp[1];
optr += 2;
- }
- else if(len > 0)
- {
+ } else if (len > 0) {
optr[0] = temp[0];
optr += 1;
- }
}
- else if (oend - optr == 1)
- {
+ } else if (oend - optr == 1) {
unsigned char temp[3];
int len = kwsysBase64_Decode3(ptr, temp);
- if(len > 0)
- {
+ if (len > 0) {
optr[0] = temp[0];
optr += 1;
- }
}
}
+ }
return (size_t)(optr - output);
}
generated by cgit v0.12 at 2024-11-08 14:59:39 (GMT)