初始化PHP-Xlswrite扩展

library/libexpat/expat/xmlwf/readfilemap.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/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* Functions close(2) and read(2) */
+#if !defined(_WIN32) && !defined(_WIN64)
+# include <unistd.h>
+#endif
+
+/* Function "read": */
+#if defined(_MSC_VER)
+# include <io.h>
+  /* https://msdn.microsoft.com/en-us/library/wyssk1bs(v=vs.100).aspx */
+# define _EXPAT_read          _read
+# define _EXPAT_read_count_t  int
+# define _EXPAT_read_req_t    unsigned int
+#else  /* POSIX */
+  /* http://pubs.opengroup.org/onlinepubs/009695399/functions/read.html */
+# define _EXPAT_read          read
+# define _EXPAT_read_count_t  ssize_t
+# define _EXPAT_read_req_t    size_t
+#endif
+
+#ifndef S_ISREG
+# ifndef S_IFREG
+#  define S_IFREG _S_IFREG
+# endif
+# ifndef S_IFMT
+#  define S_IFMT _S_IFMT
+# endif
+# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#endif /* not S_ISREG */
+
+#ifndef O_BINARY
+# ifdef _O_BINARY
+#  define O_BINARY _O_BINARY
+# else
+#  define O_BINARY 0
+# endif
+#endif
+
+#include "xmltchar.h"
+#include "filemap.h"
+
+int
+filemap(const tchar *name,
+        void (*processor)(const void *, size_t, const tchar *, void *arg),
+        void *arg)
+{
+  size_t nbytes;
+  int fd;
+  _EXPAT_read_count_t n;
+  struct stat sb;
+  void *p;
+
+  fd = topen(name, O_RDONLY|O_BINARY);
+  if (fd < 0) {
+    tperror(name);
+    return 0;
+  }
+  if (fstat(fd, &sb) < 0) {
+    tperror(name);
+    close(fd);
+    return 0;
+  }
+  if (!S_ISREG(sb.st_mode)) {
+    ftprintf(stderr, T("%s: not a regular file\n"), name);
+    close(fd);
+    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;
+  /* malloc will return NULL with nbytes == 0, handle files with size 0 */
+  if (nbytes == 0) {
+    static const char c = '\0';
+    processor(&c, 0, name, arg);
+    close(fd);
+    return 1;
+  }
+  p = malloc(nbytes);
+  if (!p) {
+    ftprintf(stderr, T("%s: out of memory\n"), name);
+    close(fd);
+    return 0;
+  }
+  n = _EXPAT_read(fd, p, (_EXPAT_read_req_t)nbytes);
+  if (n < 0) {
+    tperror(name);
+    free(p);
+    close(fd);
+    return 0;
+  }
+  if (n != (_EXPAT_read_count_t)nbytes) {
+    ftprintf(stderr, T("%s: read unexpected number of bytes\n"), name);
+    free(p);
+    close(fd);
+    return 0;
+  }
+  processor(p, nbytes, name, arg);
+  free(p);
+  close(fd);
+  return 1;
+}