[MinGW-notify] [ mingw-Support Requests-3390077 ] Mismatch between size_t and ssize_t

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Support Requests item #3390077, was opened at 2011-08-11 10:40
Message generated for change (Settings changed) made by earnie
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>Category: gcc
Group: None
Status: Open
Priority: 5
Private: No
Submitted By:  (bvassche)
Assigned to: Nobody/Anonymous (nobody)
Summary: Mismatch between size_t and ssize_t

Initial Comment:
Apparently size_t is a synonym for unsigned int and ssize_t for long (<sys/types.h>), which causes strange failure reports:

$ printf '#include <stdio.h>\nint main(int argc, char** argv){size_t s = 1; ssize_t ss = -2; printf("%%u %%d\\n", s, ss); return 0;}'|gcc -xc - -Wall -Werror;
 echo $?
cc1.exe: warnings being treated as errors
<stdin>: In function 'main':
<stdin>:2:1: error: format '%d' expects type 'int', but argument 3 has type 'ssize_t'
1

$ printf '#include <stdio.h>\nint main(int argc, char** argv){size_t s = 1; ssize_t ss = -2; printf("%%u %%ld\\n", s, ss); return 0;}'|gcc -xc - -Wall -Werror
; echo $?
0

Details:
Windows version: Windows XP

$ gcc -v
Using built-in specs.
COLLECT_GCC=C:\MinGW\bin\gcc.exe
COLLECT_LTO_WRAPPER=c:/mingw/bin/../libexec/gcc/mingw32/4.5.2/lto-wrapper.exe
Target: mingw32
Configured with: ../gcc-4.5.2/configure --enable-languages=c,c++,ada,fortran,objc,obj-c++ --disable-sjlj-exceptions --with-dwarf2 --enable-shared --enable-libgomp --disable-win32-registry --enable-libstdcxx-debug --enable-version-specific-runtime-libs --disable-werror --build=mingw32 -prefix=/mingw
Thread model: win32
gcc version 4.5.2 (GCC)

$ uname -a
MINGW32_NT-5.1 PS3002 1.0.11(0.46/3/2) 2009-07-11 17:46 i686 Msys

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You can respond by visiting: 
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