modules/libjar/zipwriter/src/StreamFunctions.h@b8a032363ba2 (annotated)
modules/libjar/zipwriter/src/StreamFunctions.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| michael@0 | 4 | */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef _nsStreamFunctions_h_ |
| michael@0 | 7 | #define _nsStreamFunctions_h_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nscore.h" |
| michael@0 | 10 | #include "nsIInputStream.h" |
| michael@0 | 11 | #include "nsIOutputStream.h" |
| michael@0 | 12 | |
| michael@0 | 13 | /* |
| michael@0 | 14 | * ZIP file data is stored little-endian. These are helper functions to read and |
| michael@0 | 15 | * write little endian data to/from a char buffer. |
| michael@0 | 16 | * The off argument, where present, is incremented according to the number of |
| michael@0 | 17 | * bytes consumed from the buffer. |
| michael@0 | 18 | */ |
| michael@0 | 19 | inline NS_HIDDEN_(void) WRITE8(uint8_t* buf, uint32_t* off, uint8_t val) |
| michael@0 | 20 | { |
| michael@0 | 21 | buf[(*off)++] = val; |
| michael@0 | 22 | } |
| michael@0 | 23 | |
| michael@0 | 24 | inline NS_HIDDEN_(void) WRITE16(uint8_t* buf, uint32_t* off, uint16_t val) |
| michael@0 | 25 | { |
| michael@0 | 26 | WRITE8(buf, off, val & 0xff); |
| michael@0 | 27 | WRITE8(buf, off, (val >> 8) & 0xff); |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | inline NS_HIDDEN_(void) WRITE32(uint8_t* buf, uint32_t* off, uint32_t val) |
| michael@0 | 31 | { |
| michael@0 | 32 | WRITE16(buf, off, val & 0xffff); |
| michael@0 | 33 | WRITE16(buf, off, (val >> 16) & 0xffff); |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | inline NS_HIDDEN_(uint8_t) READ8(const uint8_t* buf, uint32_t* off) |
| michael@0 | 37 | { |
| michael@0 | 38 | return buf[(*off)++]; |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | inline NS_HIDDEN_(uint16_t) READ16(const uint8_t* buf, uint32_t* off) |
| michael@0 | 42 | { |
| michael@0 | 43 | uint16_t val = READ8(buf, off); |
| michael@0 | 44 | val |= READ8(buf, off) << 8; |
| michael@0 | 45 | return val; |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | inline NS_HIDDEN_(uint32_t) READ32(const uint8_t* buf, uint32_t* off) |
| michael@0 | 49 | { |
| michael@0 | 50 | uint32_t val = READ16(buf, off); |
| michael@0 | 51 | val |= READ16(buf, off) << 16; |
| michael@0 | 52 | return val; |
| michael@0 | 53 | } |
| michael@0 | 54 | |
| michael@0 | 55 | inline NS_HIDDEN_(uint32_t) PEEK32(const uint8_t* buf) |
| michael@0 | 56 | { |
| michael@0 | 57 | return (uint32_t)( (buf [0] ) | |
| michael@0 | 58 | (buf [1] << 8) | |
| michael@0 | 59 | (buf [2] << 16) | |
| michael@0 | 60 | (buf [3] << 24) ); |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | NS_HIDDEN_(nsresult) ZW_ReadData(nsIInputStream *aStream, char *aBuffer, uint32_t aCount); |
| michael@0 | 64 | |
| michael@0 | 65 | NS_HIDDEN_(nsresult) ZW_WriteData(nsIOutputStream *aStream, const char *aBuffer, |
| michael@0 | 66 | uint32_t aCount); |
| michael@0 | 67 | |
| michael@0 | 68 | #endif |
