Mercurial > trustbridge > nss-cmake-static
comparison nspr/lib/libc/include/plbase64.h @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
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| date | Mon, 28 Jul 2014 10:47:06 +0200 |
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| -1:000000000000 | 0:1e5118fa0cb1 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef _plbase64_h | |
| 7 #define _plbase64_h | |
| 8 | |
| 9 #include "prtypes.h" | |
| 10 | |
| 11 PR_BEGIN_EXTERN_C | |
| 12 | |
| 13 /* | |
| 14 * PL_Base64Encode | |
| 15 * | |
| 16 * This routine encodes the data pointed to by the "src" parameter using the | |
| 17 * base64 algorithm, and returns a pointer to the result. If the "srclen" | |
| 18 * parameter is not zero, it specifies the length of the source data. If it | |
| 19 * is zero, the source data is assumed to be null-terminated, and PL_strlen | |
| 20 * is used to determine the source length. If the "dest" parameter is not | |
| 21 * null, it is assumed to point to a buffer of sufficient size (which may be | |
| 22 * calculated: ((srclen + 2)/3)*4) into which the encoded data is placed | |
| 23 * (without any termination). If the "dest" parameter is null, a buffer is | |
| 24 * allocated from the heap to hold the encoded data, and the result *will* | |
| 25 * be terminated with an extra null character. It is the caller's | |
| 26 * responsibility to free the result when it is allocated. A null is returned | |
| 27 * if the allocation fails. | |
| 28 * | |
| 29 * NOTE: when calculating ((srclen + 2)/3)*4), first ensure that | |
| 30 * srclen <= (PR_UINT32_MAX/4) * 3 | |
| 31 * to avoid PRUint32 overflow. | |
| 32 */ | |
| 33 | |
| 34 PR_EXTERN(char *) | |
| 35 PL_Base64Encode | |
| 36 ( | |
| 37 const char *src, | |
| 38 PRUint32 srclen, | |
| 39 char *dest | |
| 40 ); | |
| 41 | |
| 42 /* | |
| 43 * PL_Base64Decode | |
| 44 * | |
| 45 * This routine decodes the data pointed to by the "src" parameter using | |
| 46 * the base64 algorithm, and returns a pointer to the result. The source | |
| 47 * may either include or exclude any trailing '=' characters. If the | |
| 48 * "srclen" parameter is not zero, it specifies the length of the source | |
| 49 * data. If it is zero, PL_strlen will be used to determine the source | |
| 50 * length. If the "dest" parameter is not null, it is assumed to point to | |
| 51 * a buffer of sufficient size (which may be calculated: (srclen * 3)/4 | |
| 52 * when srclen includes the '=' characters) into which the decoded data | |
| 53 * is placed (without any termination). If the "dest" parameter is null, | |
| 54 * a buffer is allocated from the heap to hold the decoded data, and the | |
| 55 * result *will* be terminated with an extra null character. It is the | |
| 56 * caller's responsibility to free the result when it is allocated. A null | |
| 57 * is retuned if the allocation fails, or if the source is not well-coded. | |
| 58 * | |
| 59 * NOTE: when calculating (srclen * 3)/4, first ensure that | |
| 60 * srclen <= PR_UINT32_MAX/3 | |
| 61 * to avoid PRUint32 overflow. Alternatively, calculate | |
| 62 * (srclen/4) * 3 + ((srclen%4) * 3)/4 | |
| 63 * which is equivalent but doesn't overflow for any value of srclen. | |
| 64 */ | |
| 65 | |
| 66 PR_EXTERN(char *) | |
| 67 PL_Base64Decode | |
| 68 ( | |
| 69 const char *src, | |
| 70 PRUint32 srclen, | |
| 71 char *dest | |
| 72 ); | |
| 73 | |
| 74 PR_END_EXTERN_C | |
| 75 | |
| 76 #endif /* _plbase64_h */ |