| 1 | #ifndef COMPAT_MSVC_POSIX_H |
| 2 | #define COMPAT_MSVC_POSIX_H |
| 3 | |
| 4 | #include <direct.h> |
| 5 | #include <process.h> |
| 6 | #include <malloc.h> |
| 7 | #include <io.h> |
| 8 | |
| 9 | #pragma warning(disable: 4018) /* signed/unsigned comparison */ |
| 10 | #pragma warning(disable: 4244) /* type conversion, possible loss of data */ |
| 11 | #pragma warning(disable: 4090) /* 'function' : different 'const' qualifiers (ALLOC_GROW etc.)*/ |
| 12 | |
| 13 | /* porting function */ |
| 14 | #define inline __inline |
| 15 | #define __inline__ __inline |
| 16 | #define __attribute__(x) |
| 17 | #define strcasecmp _stricmp |
| 18 | #define strncasecmp _strnicmp |
| 19 | #define strtoull _strtoui64 |
| 20 | #define strtoll _strtoi64 |
| 21 | |
| 22 | #undef ERROR |
| 23 | |
| 24 | #define ftello _ftelli64 |
| 25 | |
| 26 | typedef int sigset_t; |
| 27 | /* open for reading, writing, or both (not in fcntl.h) */ |
| 28 | #define O_ACCMODE (_O_RDONLY | _O_WRONLY | _O_RDWR) |
| 29 | |
| 30 | #include "mingw-posix.h" |
| 31 | |
| 32 | /* |
| 33 | * MSVC's `_chsize()` takes a 32-bit `long` and silently truncates files |
| 34 | * to 2 GiB. `_chsize_s()` accepts a 64-bit length but returns 0 on |
| 35 | * success or an errno value on failure, rather than the -1/errno |
| 36 | * convention POSIX `ftruncate()` callers expect. Wrap it so callers |
| 37 | * that test the return value as `< 0` or against `-1` keep working. |
| 38 | * |
| 39 | * Note: this declaration must follow `#include "mingw-posix.h"` so |
| 40 | * `off_t` resolves to `off64_t` and the parameter type matches the |
| 41 | * underlying `_chsize_s()` width. |
| 42 | */ |
| 43 | static inline int msvc_ftruncate(int fd, off_t length) |
| 44 | { |
| 45 | int err = _chsize_s(fd, length); |
| 46 | |
| 47 | if (err) { |
| 48 | errno = err; |
| 49 | return -1; |
| 50 | } |
| 51 | return 0; |
| 52 | } |
| 53 | #define ftruncate msvc_ftruncate |
| 54 | |
| 55 | #endif /* COMPAT_MSVC_POSIX_H */ |