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MSVC: Add support for building with NO_MMAP

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When the NO_MMAP build variable is set, the msvc linker complains:

    error LNK2001: unresolved external symbol _getpagesize

The msvc libraries do not define the getpagesize() function,
so we move the mingw_getpagesize() implementation from the
conditionally built win32mmap.c file to mingw.c.

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ramsay Jones
2009-11-07 20:10:31 +00:00
committed by Junio C Hamano
parent d691d84eed
commit b1b952043f
3 changed files with 13 additions and 13 deletions
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12
compat/mingw.c
View File

@@ -1000,6 +1000,18 @@ repeat:
return -1;
}
/*
* Note that this doesn't return the actual pagesize, but
* the allocation granularity. If future Windows specific git code
* needs the real getpagesize function, we need to find another solution.
*/
int mingw_getpagesize(void)
{
SYSTEM_INFO si;
GetSystemInfo(&si);
return si.dwAllocationGranularity;
}
struct passwd *getpwuid(int uid)
{
static char user_name[100];

2
compat/mingw.h
View File

@@ -166,7 +166,7 @@ int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
int mingw_rename(const char*, const char*);
#define rename mingw_rename
#ifdef USE_WIN32_MMAP
#if defined(USE_WIN32_MMAP) || defined(_MSC_VER)
int mingw_getpagesize(void);
#define getpagesize mingw_getpagesize
#endif

12
compat/win32mmap.c
View File

@@ -1,17 +1,5 @@
#include "../git-compat-util.h"
/*
* Note that this doesn't return the actual pagesize, but
* the allocation granularity. If future Windows specific git code
* needs the real getpagesize function, we need to find another solution.
*/
int mingw_getpagesize(void)
{
SYSTEM_INFO si;
GetSystemInfo(&si);
return si.dwAllocationGranularity;
}
void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
{
HANDLE hmap;