From c49e7f76afc4507257d66f1c72fabd83c2d6ef18 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Fri, 19 Apr 2013 17:48:10 +0000 Subject: Make GDB -Wpointer-sign clean on MinGW too. This is the remaining issue impeding GDB to build with "-Wpointer-sign -Werror" with Fedora 17's i686-w64-mingw32 cross toolchain. ../../src/gdb/ser-tcp.c: In function 'net_read_prim': ../../src/gdb/ser-tcp.c:341:3: error: pointer targets in passing argument 2 of 'recv' differ in signedness [-Werror=pointer-sign] In file included from ../../src/gdb/serial.h:23:0, from ../../src/gdb/ser-tcp.c:21: /usr/i686-w64-mingw32/sys-root/mingw/include/winsock2.h:983:34: note: expected 'char *' but argument is of type 'unsigned char *' gdb/ 2013-04-19 Pedro Alves * ser-tcp.c (net_read_prim): Cast second argument to recv to 'void *'. --- gdb/ser-tcp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'gdb/ser-tcp.c') diff --git a/gdb/ser-tcp.c b/gdb/ser-tcp.c index e4fbf26..75c8b76 100644 --- a/gdb/ser-tcp.c +++ b/gdb/ser-tcp.c @@ -338,7 +338,10 @@ net_close (struct serial *scb) int net_read_prim (struct serial *scb, size_t count) { - return recv (scb->fd, scb->buf, count, 0); + /* Need to cast to silence -Wpointer-sign on MinGW, as Winsock's + 'recv' takes 'char *' as second argument, while 'scb->buf' is + 'unsigned char *'. */ + return recv (scb->fd, (void *) scb->buf, count, 0); } int -- cgit v1.1