初始化PHP-Xlswrite扩展

library/libexpat/expat/xmlwf/unixfilemap.c

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+/*
+                            __  __            _
+                         ___\ \/ /_ __   __ _| |_
+                        / _ \\  /| '_ \ / _` | __|
+                       |  __//  \| |_) | (_| | |_
+                        \___/_/\_\ .__/ \__,_|\__|
+                                 |_| XML parser
+
+   Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
+   Copyright (c) 2000-2017 Expat development team
+   Licensed under the MIT license:
+
+   Permission is  hereby granted,  free of charge,  to any  person obtaining
+   a  copy  of  this  software   and  associated  documentation  files  (the
+   "Software"),  to  deal in  the  Software  without restriction,  including
+   without  limitation the  rights  to use,  copy,  modify, merge,  publish,
+   distribute, sublicense, and/or sell copies of the Software, and to permit
+   persons  to whom  the Software  is  furnished to  do so,  subject to  the
+   following conditions:
+
+   The above copyright  notice and this permission notice  shall be included
+   in all copies or substantial portions of the Software.
+
+   THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
+   EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+   NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+   DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
+   OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+   USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#ifndef MAP_FILE
+#define MAP_FILE 0
+#endif
+
+#include "xmltchar.h"
+#include "filemap.h"
+
+#ifdef XML_UNICODE_WCHAR_T
+# define XML_FMT_STR "ls"
+#else
+# define XML_FMT_STR "s"
+#endif
+
+int
+filemap(const tchar *name,
+        void (*processor)(const void *, size_t, const tchar *, void *arg),
+        void *arg)
+{
+  int fd;
+  size_t nbytes;
+  struct stat sb;
+  void *p;
+
+  fd = topen(name, O_RDONLY);
+  if (fd < 0) {
+    tperror(name);
+    return 0;
+  }
+  if (fstat(fd, &sb) < 0) {
+    tperror(name);
+    close(fd);
+    return 0;
+  }
+  if (!S_ISREG(sb.st_mode)) {
+    close(fd);
+    fprintf(stderr, "%" XML_FMT_STR ": not a regular file\n", name);
+    return 0;
+  }
+  if (sb.st_size > XML_MAX_CHUNK_LEN) {
+    close(fd);
+    return 2;  /* Cannot be passed to XML_Parse in one go */
+  }
+
+  nbytes = sb.st_size;
+  /* mmap fails for zero length files */
+  if (nbytes == 0) {
+    static const char c = '\0';
+    processor(&c, 0, name, arg);
+    close(fd);
+    return 1;
+  }
+  p = (void *)mmap((void *)0, (size_t)nbytes, PROT_READ,
+                   MAP_FILE|MAP_PRIVATE, fd, (off_t)0);
+  if (p == (void *)-1) {
+    tperror(name);
+    close(fd);
+    return 0;
+  }
+  processor(p, nbytes, name, arg);
+  munmap((void *)p, nbytes);
+  close(fd);
+  return 1;
+}