Commit | Line | Data |
7214af3e |
1 | // License information for this code is in license.txt |
2 | |
3 | #include <windows.h> |
4 | #include <stdlib.h> |
5 | #include "SFTypes.h" |
6 | |
7 | void WINAPI SFMemZero(LPVOID lpvDestination, DWORD dwLength) |
8 | { |
9 | DWORD dwPrevLen = dwLength; |
10 | LPDWORD lpdwDestination = (LPDWORD)lpvDestination; |
11 | LPBYTE lpbyDestination; |
12 | |
13 | dwLength >>= 2; |
14 | |
15 | while (dwLength--) |
16 | *lpdwDestination++ = 0; |
17 | |
18 | lpbyDestination = (LPBYTE)lpdwDestination; |
19 | |
20 | dwLength = dwPrevLen; |
21 | dwLength &= 3; |
22 | |
23 | while (dwLength--) |
24 | *lpbyDestination++ = 0; |
25 | } |
26 | |
27 | LPVOID WINAPI SFAlloc(DWORD dwSize) |
28 | { |
29 | LPVOID lpMemory = malloc(dwSize); |
30 | if (lpMemory) SFMemZero(lpMemory,dwSize); |
31 | return lpMemory; |
32 | } |
33 | |
34 | void WINAPI SFFree(LPVOID lpvMemory) |
35 | { |
36 | if (lpvMemory) free(lpvMemory); |
37 | } |
38 | |
39 | Int64 SFGetFileSize(HANDLE hFile) |
40 | { |
41 | IntConv FileSize; |
42 | |
43 | FileSize.ui64 = 0; |
44 | |
45 | FileSize.ui32[0] = ::GetFileSize(hFile, &FileSize.ui32[1]); |
46 | |
47 | if (FileSize.ui32[0] == INVALID_FILE_SIZE) { |
48 | if (::GetLastError() != NO_ERROR) |
49 | return -1; |
50 | } |
51 | |
52 | return FileSize.i64; |
53 | } |
54 | |
55 | Int64 SFSetFilePointer(HANDLE hFile, Int64 nDistance, UInt32 dwMoveMethod) |
56 | { |
57 | IntConv FilePos; |
58 | |
59 | FilePos.i64 = nDistance; |
60 | |
61 | FilePos.i32[0] = ::SetFilePointer(hFile, FilePos.i32[0], &FilePos.i32[1], dwMoveMethod); |
62 | |
63 | if (FilePos.i32[0] == INVALID_SET_FILE_POINTER) { |
64 | if (::GetLastError() != NO_ERROR) |
65 | return -1; |
66 | } |
67 | |
68 | return FilePos.i64; |
69 | } |
70 | |
71 | size_t strlnlen(const char *strline) |
72 | { |
73 | if (strline==0) return 0; |
74 | const char *strcr = strchr(strline,'\r'); |
75 | const char *strlf = strchr(strline,'\n'); |
76 | if (strcr==0 && strlf==0) return strlen(strline); |
77 | if (strcr!=0 && (strcr<strlf || strlf==0)) return strcr-strline; |
78 | if (strlf!=0 && (strlf<strcr || strcr==0)) return strlf-strline; |
79 | return strlen(strline); |
80 | } |
81 | |
82 | char *nextline(const char *strline) |
83 | { |
84 | if (strline==0) return 0; |
85 | const char *strcr = strchr(strline,'\r'); |
86 | const char *strlf = strchr(strline,'\n'); |
87 | if (strcr==0 && strlf==0) return 0; |
88 | const char *streol; |
89 | if (strcr!=0 && (strcr<strlf || strlf==0)) streol = strcr; |
90 | if (strlf!=0 && (strlf<strcr || strcr==0)) streol = strlf; |
91 | do { |
92 | streol++; |
93 | } while (streol[0]=='\r' || streol[0]=='\n'); |
94 | if (streol[0]==0) return 0; |
95 | return (char *)streol; |
96 | } |