From cd5fb875b403c25c93a8e0d4a2b47a34ce17a38d Mon Sep 17 00:00:00 2001
From: James Clark <jjc@jclark.com>
Date: Sat, 15 Nov 1997 00:37:29 +0000
Subject: [PATCH] Separate file mapping code into separate file

---
 expat/xmlwf/xmlwf.c | 61 ++++++++-------------------------------------
 1 file changed, 10 insertions(+), 51 deletions(-)

diff --git a/expat/xmlwf/xmlwf.c b/expat/xmlwf/xmlwf.c
index 1f73ce94..c9e32ad5 100755
--- a/expat/xmlwf/xmlwf.c
+++ b/expat/xmlwf/xmlwf.c
@@ -1,53 +1,17 @@
-#define STRICT 1
-#include <windows.h>
-#include <stddef.h>
 #include <stdio.h>
 #include "wfcheck.h"
+#include "filemap.h"
 
 static
-int doFile(const char *name)
+void processFile(const void *data, size_t size, const char *filename, void *arg)
 {
-  HANDLE f;
-  HANDLE m;
-  DWORD size;
-  DWORD sizeHi;
-  const char *p;
   const char *badPtr = 0;
   unsigned long badLine = 0;
   unsigned long badCol = 0;
-  int ret;
+  int *ret = arg;
   enum WfCheckResult result;
 
-  f = CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
-			  FILE_FLAG_SEQUENTIAL_SCAN, NULL);
-  if (f == INVALID_HANDLE_VALUE) {
-    fprintf(stderr, "%s: CreateFile failed\n", name);
-    return 0;
-  }
-  size = GetFileSize(f, &sizeHi);
-  if (sizeHi) {
-    fprintf(stderr, "%s: too big (limit 2Gb)\n", name);
-    return 0;
-  }
-  /* CreateFileMapping barfs on zero length files */
-  if (size == 0) {
-    fprintf(stderr, "%s: zero-length file\n", name);
-    return 0;
-  }
-  m = CreateFileMapping(f, NULL, PAGE_READONLY, 0, 0, NULL);
-  if (m == NULL) {
-    fprintf(stderr, "%s: CreateFileMapping failed\n", name);
-    CloseHandle(f);
-    return 0;
-  }
-  p = (const char *)MapViewOfFile(m, FILE_MAP_READ, 0, 0, 0);
-  if (p == NULL) {
-    CloseHandle(m);
-    CloseHandle(f);
-    fprintf(stderr, "%s: MapViewOfFile failed\n", name);
-    return 0;
-  }
-  result = wfCheck(p, size, &badPtr, &badLine, &badCol);
+  result = wfCheck(data, size, &badPtr, &badLine, &badCol);
   if (result) {
     static const char *message[] = {
       0,
@@ -61,21 +25,17 @@ int doFile(const char *name)
       "duplicate attribute",
       "junk after document element",
     };
-    fprintf(stderr, "%s:", name);
+    fprintf(stderr, "%s:", filename);
     if (badPtr != 0)
       fprintf(stderr, "%lu:%lu:", badLine+1, badCol);
     fprintf(stderr, "%c: %s", (result == wellFormedOutsideDtd ? 'W' : 'E'), message[result]);
     putc('\n', stderr);
-    ret = 1;
+    if (!*ret)
+      *ret = 1;
   }
-  else
-    ret = 0;
-  UnmapViewOfFile(p);
-  CloseHandle(m);
-  CloseHandle(f);
-  return ret;
 }
 
+
 int main(int argc, char **argv)
 {
   int i;
@@ -85,9 +45,8 @@ int main(int argc, char **argv)
     return 1;
   }
   for (i = 1; i < argc; i++) {
-    int n = doFile(argv[i]);
-    if (n > ret)
-      ret = n;
+    if (!filemap(argv[i], processFile, &ret))
+      ret = 2;
   }
   return ret;
 }