diff options
Diffstat (limited to 'src/port/open.c')
| -rw-r--r-- | src/port/open.c | 84 |
1 files changed, 48 insertions, 36 deletions
diff --git a/src/port/open.c b/src/port/open.c index 4c11f3dfda3..3304d443c6e 100644 --- a/src/port/open.c +++ b/src/port/open.c @@ -6,7 +6,7 @@ * * Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/port/open.c,v 1.3 2004/08/29 04:13:12 momjian Exp $ + * $PostgreSQL: pgsql/src/port/open.c,v 1.4 2004/08/29 05:07:02 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -21,20 +21,25 @@ static int openFlagsToCreateFileFlags(int openFlags) { - switch (openFlags & (O_CREAT|O_TRUNC|O_EXCL)) + switch (openFlags & (O_CREAT | O_TRUNC | O_EXCL)) { case 0: - case O_EXCL: return OPEN_EXISTING; + case O_EXCL: + return OPEN_EXISTING; - case O_CREAT: return OPEN_ALWAYS; + case O_CREAT: + return OPEN_ALWAYS; case O_TRUNC: - case O_TRUNC|O_EXCL: return TRUNCATE_EXISTING; + case O_TRUNC | O_EXCL: + return TRUNCATE_EXISTING; - case O_CREAT|O_TRUNC: return CREATE_ALWAYS; + case O_CREAT | O_TRUNC: + return CREATE_ALWAYS; - case O_CREAT|O_EXCL: - case O_CREAT|O_TRUNC|O_EXCL: return CREATE_NEW; + case O_CREAT | O_EXCL: + case O_CREAT | O_TRUNC | O_EXCL: + return CREATE_NEW; } /* will never get here */ @@ -42,46 +47,53 @@ openFlagsToCreateFileFlags(int openFlags) } /* - * - file attribute setting, based on fileMode? - * - handle other flags? (eg FILE_FLAG_NO_BUFFERING/FILE_FLAG_WRITE_THROUGH) + * - file attribute setting, based on fileMode? + * - handle other flags? (eg FILE_FLAG_NO_BUFFERING/FILE_FLAG_WRITE_THROUGH) */ -int win32_open(const char* fileName, int fileFlags, ...) +int +win32_open(const char *fileName, int fileFlags,...) { - int fd; - HANDLE h; + int fd; + HANDLE h; SECURITY_ATTRIBUTES sa; /* Check that we can handle the request */ - assert((fileFlags & ((O_RDONLY|O_WRONLY|O_RDWR) | O_APPEND | - (O_RANDOM|O_SEQUENTIAL|O_TEMPORARY) | - _O_SHORT_LIVED | - (O_CREAT|O_TRUNC|O_EXCL) | (O_TEXT|O_BINARY))) == fileFlags); + assert((fileFlags & ((O_RDONLY | O_WRONLY | O_RDWR) | O_APPEND | + (O_RANDOM | O_SEQUENTIAL | O_TEMPORARY) | + _O_SHORT_LIVED | + (O_CREAT | O_TRUNC | O_EXCL) | (O_TEXT | O_BINARY))) == fileFlags); - sa.nLength=sizeof(sa); - sa.bInheritHandle=TRUE; - sa.lpSecurityDescriptor=NULL; + sa.nLength = sizeof(sa); + sa.bInheritHandle = TRUE; + sa.lpSecurityDescriptor = NULL; if ((h = CreateFile(fileName, - /* cannot use O_RDONLY, as it == 0 */ - (fileFlags & O_RDWR) ? (GENERIC_WRITE | GENERIC_READ) : - ((fileFlags & O_WRONLY) ? GENERIC_WRITE : GENERIC_READ), - (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE), + /* cannot use O_RDONLY, as it == 0 */ + (fileFlags & O_RDWR) ? (GENERIC_WRITE | GENERIC_READ) : + ((fileFlags & O_WRONLY) ? GENERIC_WRITE : GENERIC_READ), + (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE), &sa, openFlagsToCreateFileFlags(fileFlags), - FILE_ATTRIBUTE_NORMAL | - ((fileFlags & O_RANDOM) ? FILE_FLAG_RANDOM_ACCESS : 0) | - ((fileFlags & O_SEQUENTIAL) ? FILE_FLAG_SEQUENTIAL_SCAN : 0) | - ((fileFlags & _O_SHORT_LIVED) ? FILE_ATTRIBUTE_TEMPORARY : 0) | - ((fileFlags & O_TEMPORARY) ? FILE_FLAG_DELETE_ON_CLOSE : 0), + FILE_ATTRIBUTE_NORMAL | + ((fileFlags & O_RANDOM) ? FILE_FLAG_RANDOM_ACCESS : 0) | + ((fileFlags & O_SEQUENTIAL) ? FILE_FLAG_SEQUENTIAL_SCAN : 0) | + ((fileFlags & _O_SHORT_LIVED) ? FILE_ATTRIBUTE_TEMPORARY : 0) | + ((fileFlags & O_TEMPORARY) ? FILE_FLAG_DELETE_ON_CLOSE : 0), NULL)) == INVALID_HANDLE_VALUE) { switch (GetLastError()) { - /* EMFILE, ENFILE should not occur from CreateFile. */ + /* EMFILE, ENFILE should not occur from CreateFile. */ case ERROR_PATH_NOT_FOUND: - case ERROR_FILE_NOT_FOUND: errno = ENOENT; break; - case ERROR_FILE_EXISTS: errno = EEXIST; break; - case ERROR_ACCESS_DENIED: errno = EACCES; break; + case ERROR_FILE_NOT_FOUND: + errno = ENOENT; + break; + case ERROR_FILE_EXISTS: + errno = EEXIST; + break; + case ERROR_ACCESS_DENIED: + errno = EACCES; + break; default: errno = EINVAL; } @@ -89,9 +101,9 @@ int win32_open(const char* fileName, int fileFlags, ...) } /* _open_osfhandle will, on error, set errno accordingly */ - if ((fd = _open_osfhandle((long)h,fileFlags&O_APPEND)) < 0 || - (fileFlags&(O_TEXT|O_BINARY) && (_setmode(fd,fileFlags&(O_TEXT|O_BINARY)) < 0))) - CloseHandle(h); /* will not affect errno */ + if ((fd = _open_osfhandle((long) h, fileFlags & O_APPEND)) < 0 || + (fileFlags & (O_TEXT | O_BINARY) && (_setmode(fd, fileFlags & (O_TEXT | O_BINARY)) < 0))) + CloseHandle(h); /* will not affect errno */ return fd; } |