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Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,

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The file was resized to wrong size.
This commit is contained in:
Hirokazu Yamamoto 2009-02-17 13:17:26 +00:00
parent 1d0b5cc6dc
commit 17a837e4db
3 changed files with 26 additions and 2 deletions
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4
Modules/mmapmodule.c
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@ -444,7 +444,7 @@ mmap_resize_method(mmap_object *self,
off_lo = (DWORD)(self->offset & 0xFFFFFFFF);
#else
newSizeHigh = 0;
newSizeLow = (DWORD)new_size;
newSizeLow = (DWORD)(self->offset + new_size);
off_hi = 0;
off_lo = (DWORD)self->offset;
#endif
@ -490,7 +490,7 @@ mmap_resize_method(mmap_object *self,
} else {
void *newmap;
if (ftruncate(self->fd, new_size) == -1) {
if (ftruncate(self->fd, self->offset + new_size) == -1) {
PyErr_SetFromErrno(mmap_module_error);
return NULL;
}