The Tor Browser / file comparison
comparison: modules/libjar/zipwriter/src/StreamFunctions.h
modules/libjar/zipwriter/src/StreamFunctions.h
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:8e5805d2f3d9 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 */ | |
| 5 | |
| 6 #ifndef _nsStreamFunctions_h_ | |
| 7 #define _nsStreamFunctions_h_ | |
| 8 | |
| 9 #include "nscore.h" | |
| 10 #include "nsIInputStream.h" | |
| 11 #include "nsIOutputStream.h" | |
| 12 | |
| 13 /* | |
| 14 * ZIP file data is stored little-endian. These are helper functions to read and | |
| 15 * write little endian data to/from a char buffer. | |
| 16 * The off argument, where present, is incremented according to the number of | |
| 17 * bytes consumed from the buffer. | |
| 18 */ | |
| 19 inline NS_HIDDEN_(void) WRITE8(uint8_t* buf, uint32_t* off, uint8_t val) | |
| 20 { | |
| 21 buf[(*off)++] = val; | |
| 22 } | |
| 23 | |
| 24 inline NS_HIDDEN_(void) WRITE16(uint8_t* buf, uint32_t* off, uint16_t val) | |
| 25 { | |
| 26 WRITE8(buf, off, val & 0xff); | |
| 27 WRITE8(buf, off, (val >> 8) & 0xff); | |
| 28 } | |
| 29 | |
| 30 inline NS_HIDDEN_(void) WRITE32(uint8_t* buf, uint32_t* off, uint32_t val) | |
| 31 { | |
| 32 WRITE16(buf, off, val & 0xffff); | |
| 33 WRITE16(buf, off, (val >> 16) & 0xffff); | |
| 34 } | |
| 35 | |
| 36 inline NS_HIDDEN_(uint8_t) READ8(const uint8_t* buf, uint32_t* off) | |
| 37 { | |
| 38 return buf[(*off)++]; | |
| 39 } | |
| 40 | |
| 41 inline NS_HIDDEN_(uint16_t) READ16(const uint8_t* buf, uint32_t* off) | |
| 42 { | |
| 43 uint16_t val = READ8(buf, off); | |
| 44 val |= READ8(buf, off) << 8; | |
| 45 return val; | |
| 46 } | |
| 47 | |
| 48 inline NS_HIDDEN_(uint32_t) READ32(const uint8_t* buf, uint32_t* off) | |
| 49 { | |
| 50 uint32_t val = READ16(buf, off); | |
| 51 val |= READ16(buf, off) << 16; | |
| 52 return val; | |
| 53 } | |
| 54 | |
| 55 inline NS_HIDDEN_(uint32_t) PEEK32(const uint8_t* buf) | |
| 56 { | |
| 57 return (uint32_t)( (buf [0] ) | | |
| 58 (buf [1] << 8) | | |
| 59 (buf [2] << 16) | | |
| 60 (buf [3] << 24) ); | |
| 61 } | |
| 62 | |
| 63 NS_HIDDEN_(nsresult) ZW_ReadData(nsIInputStream *aStream, char *aBuffer, uint32_t aCount); | |
| 64 | |
| 65 NS_HIDDEN_(nsresult) ZW_WriteData(nsIOutputStream *aStream, const char *aBuffer, | |
| 66 uint32_t aCount); | |
| 67 | |
| 68 #endif |
