The Tor Browser / file comparison
comparison: gfx/angle/src/compiler/MMap.h
gfx/angle/src/compiler/MMap.h
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
equal
deleted
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replaced
| -1:000000000000 | 0:91709fbcbf5f |
|---|---|
| 1 // | |
| 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 #ifndef _MMAP_INCLUDED_ | |
| 8 #define _MMAP_INCLUDED_ | |
| 9 | |
| 10 // | |
| 11 // Encapsulate memory mapped files | |
| 12 // | |
| 13 | |
| 14 class TMMap { | |
| 15 public: | |
| 16 TMMap(const char* fileName) : | |
| 17 fSize(-1), // -1 is the error value returned by GetFileSize() | |
| 18 fp(NULL), | |
| 19 fBuff(0) // 0 is the error value returned by MapViewOfFile() | |
| 20 { | |
| 21 if ((fp = fopen(fileName, "r")) == NULL) | |
| 22 return; | |
| 23 char c = getc(fp); | |
| 24 fSize = 0; | |
| 25 while (c != EOF) { | |
| 26 fSize++; | |
| 27 c = getc(fp); | |
| 28 } | |
| 29 if (c == EOF) | |
| 30 fSize++; | |
| 31 rewind(fp); | |
| 32 fBuff = (char*)malloc(sizeof(char) * fSize); | |
| 33 int count = 0; | |
| 34 c = getc(fp); | |
| 35 while (c != EOF) { | |
| 36 fBuff[count++] = c; | |
| 37 c = getc(fp); | |
| 38 } | |
| 39 fBuff[count++] = c; | |
| 40 } | |
| 41 | |
| 42 char* getData() { return fBuff; } | |
| 43 int getSize() { return fSize; } | |
| 44 | |
| 45 ~TMMap() { | |
| 46 if (fp != NULL) | |
| 47 fclose(fp); | |
| 48 } | |
| 49 | |
| 50 private: | |
| 51 int fSize; // size of file to map in | |
| 52 FILE *fp; | |
| 53 char* fBuff; // the actual data; | |
| 54 }; | |
| 55 | |
| 56 #endif // _MMAP_INCLUDED_ |
