organicmaps/libexpat
13
Fork 0
mirror of https://github.com/libexpat/libexpat.git synced 2025-04-05 05:05:00 +00:00
Code Issues 1 Projects Releases Wiki Activity Actions 1

Initial Revision

Browse source
This commit is contained in:
James Clark 1997-11-15 00:35:13 +00:00
parent 8a1833a65f
commit 098f26ac79
1 changed files with 50 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
expat/xmlwf/win32filemap.c Executable file
View file

@ -0,0 +1,50 @@
#define STRICT 1
#include <windows.h>
#include <stdio.h>
#include "filemap.h"
int filemap(const char *name,
void (*processor)(const void *, size_t, const char *, void *arg),
void *arg)
{
HANDLE f;
HANDLE m;
DWORD size;
DWORD sizeHi;
void *p;
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 = MapViewOfFile(m, FILE_MAP_READ, 0, 0, 0);
if (p == NULL) {
CloseHandle(m);
CloseHandle(f);
fprintf(stderr, "%s: MapViewOfFile failed\n", name);
return 0;
}
processor(p, size, name, arg);
UnmapViewOfFile(p);
CloseHandle(m);
CloseHandle(f);
return 1;
}