From c7da9992cb39fc84a6a915dd2158beaf5e616617 Mon Sep 17 00:00:00 2001 From: Andrew Tridgell Date: Fri, 18 Sep 1998 03:00:20 +0000 Subject: gto ri of a bunch more #ifdef LARGE_SMB_OFF_T checks by introducing a SOFF_T() macro for setting an SMB_OFF_T variable also limited mmap based reads to MAX_MMAP_SIZE. We really can't mmap 2^50 bytes due to virtual address space problems. (This used to be commit 4e784b18899eddd2399a51fa7d8c219560432922) --- source3/smbd/fileio.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) (limited to 'source3/smbd/fileio.c') diff --git a/source3/smbd/fileio.c b/source3/smbd/fileio.c index d40c159798..5c4bf7dfc2 100644 --- a/source3/smbd/fileio.c +++ b/source3/smbd/fileio.c @@ -63,19 +63,15 @@ ssize_t read_file(files_struct *fsp,char *data,SMB_OFF_T pos,size_t n) #if WITH_MMAP if (fsp->mmap_ptr) { - SMB_OFF_T num = (fsp->mmap_size > pos) ? (fsp->mmap_size - pos) : -1; - num = MIN(n,num); -#ifdef LARGE_SMB_OFF_T - if ((num > 0) && (num < (1LL<<(sizeof(size_t)*8)))) { -#else /* LARGE_SMB_OFF_T */ - if (num > 0) { -#endif /* LARGE_SMB_OFF_T */ - memcpy(data,fsp->mmap_ptr+pos,num); - data += num; - pos += num; - n -= num; - ret += num; - } + SMB_OFF_T num = (fsp->mmap_size > pos) ? (fsp->mmap_size - pos) : -1; + num = MIN(n,num); + if (num > 0) { + memcpy(data,fsp->mmap_ptr+pos,num); + data += num; + pos += num; + n -= num; + ret += num; + } } #endif -- cgit