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Diffstat (limited to 'src/microhttpd/base64.c')
-rw-r--r--src/microhttpd/base64.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/src/microhttpd/base64.c b/src/microhttpd/base64.c
index 3dc7a142..d7d1ec92 100644
--- a/src/microhttpd/base64.c
+++ b/src/microhttpd/base64.c
@@ -9,45 +9,46 @@
9#include "base64.h" 9#include "base64.h"
10 10
11static const char base64_digits[] = 11static const char base64_digits[] =
12 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
13 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
14 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 14 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
15 0, 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15 0, 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
16 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 16 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26,
17 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 17 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
18 45, 46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18 45, 46, 47, 48, 49, 50, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
19 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
20 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 20 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
21 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
22 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 22 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
23 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; 23 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
24 24
25 25
26char * 26char *
27BASE64Decode(const char* src) 27BASE64Decode (const char*src)
28{ 28{
29 size_t in_len = strlen (src); 29 size_t in_len = strlen (src);
30 char* dest; 30 char*dest;
31 char* result; 31 char*result;
32 32
33 if (in_len % 4) 33 if (in_len % 4)
34 { 34 {
35 /* Wrong base64 string length */ 35 /* Wrong base64 string length */
36 return NULL; 36 return NULL;
37 } 37 }
38 result = dest = malloc(in_len / 4 * 3 + 1); 38 result = dest = malloc (in_len / 4 * 3 + 1);
39 if (NULL == result) 39 if (NULL == result)
40 return NULL; /* out of memory */ 40 return NULL; /* out of memory */
41 while (*src) { 41 while (*src)
42 char a = base64_digits[(unsigned char)*(src++)]; 42 {
43 char b = base64_digits[(unsigned char)*(src++)]; 43 char a = base64_digits[(unsigned char) *(src++)];
44 char c = base64_digits[(unsigned char)*(src++)]; 44 char b = base64_digits[(unsigned char) *(src++)];
45 char d = base64_digits[(unsigned char)*(src++)]; 45 char c = base64_digits[(unsigned char) *(src++)];
46 char d = base64_digits[(unsigned char) *(src++)];
46 *(dest++) = (a << 2) | ((b & 0x30) >> 4); 47 *(dest++) = (a << 2) | ((b & 0x30) >> 4);
47 if (c == (char)-1) 48 if (c == (char) -1)
48 break; 49 break;
49 *(dest++) = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2); 50 *(dest++) = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
50 if (d == (char)-1) 51 if (d == (char) -1)
51 break; 52 break;
52 *(dest++) = ((c & 0x03) << 6) | d; 53 *(dest++) = ((c & 0x03) << 6) | d;
53 } 54 }