https://bugs.exim.org/show_bug.cgi?id=2024
Bug ID: 2024
Summary: MSVC C++ warning due to conversion from ptrdiff_t to
int in pcre_exec.c
Product: PCRE
Version: 8.40
Hardware: x86-64
OS: Windows
Status: NEW
Severity: wishlist
Priority: medium
Component: Code
Assignee: ph10@???
Reporter: milan@???
CC: pcre-dev@???
Compiling PCRE-8.40 using any Visual Studio version and the x64 Microsoft
compilers, a warning is thrown for pcre_exec.c, due to an implicit conversion
of a pointer difference to int:
3rdparty\pcre-8.39\pcre_exec.c(672): warning C4244: 'initializing' : conversion
from '__int64' to 'int', possible loss of data
The relevant line (672):
int len = (char *)&rdepth - (char *)eptr;
int on x64 on Windows is still only 32 bits wide, while ptrdiff_t is 64 of
course.
Looking at the referenced pointers, it seems using 32 bits is safe. I therefore
propose explicitly casting the subtraction result to an int, to get rid of the
warning.
Thanks,
Milan
--
You are receiving this mail because:
You are on the CC list for the bug.
