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Thu, 8 Aug 2019 22:01:50 -0400 (EDT) From: =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= To: xen-devel@lists.xenproject.org Date: Fri, 9 Aug 2019 04:01:36 +0200 Message-Id: <20190809020137.27334-1-marmarek@invisiblethingslab.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Organization: Invisible Things Lab Subject: [Xen-devel] [PATCH 1/2] python: fix -Wsign-compare warnings X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Ian Jackson , =?utf-8?q?Marek_Marczykowski-G?= =?utf-8?q?=C3=B3recki?= , Wei Liu Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP Specifically: xen/lowlevel/xc/xc.c: In function ‘pyxc_domain_create’: xen/lowlevel/xc/xc.c:147:24: error: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Werror=sign-compare] 147 | for ( i = 0; i < sizeof(xen_domain_handle_t); i++ ) | ^ xen/lowlevel/xc/xc.c: In function ‘pyxc_domain_sethandle’: xen/lowlevel/xc/xc.c:312:20: error: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Werror=sign-compare] 312 | for ( i = 0; i < sizeof(xen_domain_handle_t); i++ ) | ^ xen/lowlevel/xc/xc.c: In function ‘pyxc_domain_getinfo’: xen/lowlevel/xc/xc.c:391:24: error: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Werror=sign-compare] 391 | for ( j = 0; j < sizeof(xen_domain_handle_t); j++ ) | ^ xen/lowlevel/xc/xc.c: In function ‘pyxc_get_device_group’: xen/lowlevel/xc/xc.c:677:20: error: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Werror=sign-compare] 677 | for ( i = 0; i < num_sdevs; i++ ) | ^ xen/lowlevel/xc/xc.c: In function ‘pyxc_physinfo’: xen/lowlevel/xc/xc.c:988:20: error: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Werror=sign-compare] 988 | for ( i = 0; i < sizeof(pinfo.hw_cap)/4; i++ ) | ^ xen/lowlevel/xc/xc.c:994:20: error: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Werror=sign-compare] 994 | for ( i = 0; i < ARRAY_SIZE(virtcaps_bits); i++ ) | ^ xen/lowlevel/xc/xc.c:998:24: error: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Werror=sign-compare] 998 | for ( i = 0; i < ARRAY_SIZE(virtcaps_bits); i++ ) | ^ xen/lowlevel/xs/xs.c: In function ‘xspy_ls’: xen/lowlevel/xs/xs.c:191:23: error: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Werror=sign-compare] 191 | for (i = 0; i < xsval_n; i++) | ^ xen/lowlevel/xs/xs.c: In function ‘xspy_get_permissions’: xen/lowlevel/xs/xs.c:297:23: error: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Werror=sign-compare] 297 | for (i = 0; i < perms_n; i++) { | ^ cc1: all warnings being treated as errors Use size_t for loop iterators where it's compared with sizeof() or similar construct. Signed-off-by: Marek Marczykowski-Górecki Acked-by: Ian Jackson --- tools/python/xen/lowlevel/xc/xc.c | 13 ++++++++----- tools/python/xen/lowlevel/xs/xs.c | 4 ++-- 2 files changed, 10 insertions(+), 7 deletions(-) diff --git a/tools/python/xen/lowlevel/xc/xc.c b/tools/python/xen/lowlevel/xc/xc.c index 522cbe3b9c..188bfa34da 100644 --- a/tools/python/xen/lowlevel/xc/xc.c +++ b/tools/python/xen/lowlevel/xc/xc.c @@ -117,7 +117,8 @@ static PyObject *pyxc_domain_create(XcObject *self, PyObject *kwds) { uint32_t dom = 0, target = 0; - int ret, i; + int ret; + size_t i; PyObject *pyhandle = NULL; struct xen_domctl_createdomain config = { .handle = { @@ -295,7 +296,7 @@ static PyObject *pyxc_vcpu_setaffinity(XcObject *self, static PyObject *pyxc_domain_sethandle(XcObject *self, PyObject *args) { - int i; + size_t i; uint32_t dom; PyObject *pyhandle; xen_domain_handle_t handle; @@ -336,7 +337,8 @@ static PyObject *pyxc_domain_getinfo(XcObject *self, PyObject *list, *info_dict, *pyhandle; uint32_t first_dom = 0; - int max_doms = 1024, nr_doms, i, j; + int max_doms = 1024, nr_doms, i; + size_t j; xc_dominfo_t *info; static char *kwd_list[] = { "first_dom", "max_doms", NULL }; @@ -631,7 +633,8 @@ static PyObject *pyxc_get_device_group(XcObject *self, { uint32_t sbdf; uint32_t max_sdevs, num_sdevs; - int domid, seg, bus, dev, func, rc, i; + int domid, seg, bus, dev, func, rc; + size_t i; PyObject *Pystr; char *group_str; char dev_str[9]; @@ -971,7 +974,7 @@ static PyObject *pyxc_physinfo(XcObject *self) { xc_physinfo_t pinfo; char cpu_cap[128], virt_caps[128], *p; - int i; + size_t i; const char *virtcap_names[] = { "hvm", "pv" }; const unsigned virtcaps_bits[] = { XEN_SYSCTL_PHYSCAP_hvm, XEN_SYSCTL_PHYSCAP_pv }; diff --git a/tools/python/xen/lowlevel/xs/xs.c b/tools/python/xen/lowlevel/xs/xs.c index 9a0acfc25c..ea50f86bc3 100644 --- a/tools/python/xen/lowlevel/xs/xs.c +++ b/tools/python/xen/lowlevel/xs/xs.c @@ -186,7 +186,7 @@ static PyObject *xspy_ls(XsHandle *self, PyObject *args) Py_END_ALLOW_THREADS if (xsval) { - int i; + size_t i; PyObject *val = PyList_New(xsval_n); for (i = 0; i < xsval_n; i++) #if PY_MAJOR_VERSION >= 3 @@ -276,7 +276,7 @@ static PyObject *xspy_get_permissions(XsHandle *self, PyObject *args) struct xs_handle *xh = xshandle(self); struct xs_permissions *perms; unsigned int perms_n = 0; - int i; + size_t i; xs_transaction_t th; char *thstr; From patchwork Fri Aug 9 02:01:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= X-Patchwork-Id: 11085113 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1C03B13B1 for ; Fri, 9 Aug 2019 02:03:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0D32228C1E for ; Fri, 9 Aug 2019 02:03:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0141A28C24; 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Thu, 8 Aug 2019 22:01:51 -0400 (EDT) From: =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= To: xen-devel@lists.xenproject.org Date: Fri, 9 Aug 2019 04:01:37 +0200 Message-Id: <20190809020137.27334-2-marmarek@invisiblethingslab.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190809020137.27334-1-marmarek@invisiblethingslab.com> References: <20190809020137.27334-1-marmarek@invisiblethingslab.com> MIME-Version: 1.0 Organization: Invisible Things Lab Subject: [Xen-devel] [PATCH 2/2] tools/tests/cpu-policy: disable -Wformat-overflow X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Wei Liu , Andrew Cooper , Ian Jackson , =?utf-8?q?Marek_Marczykowski-G?= =?utf-8?q?=C3=B3recki?= , Jan Beulich , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP GCC9 complains about "%.12s" format with an argument having exactly 12 bytes and no terminating null character. This is intentional construct, so disable the warning. Signed-off-by: Marek Marczykowski-Górecki --- tools/tests/cpu-policy/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/tests/cpu-policy/Makefile b/tools/tests/cpu-policy/Makefile index 07dd58f5c2..7d17a4074d 100644 --- a/tools/tests/cpu-policy/Makefile +++ b/tools/tests/cpu-policy/Makefile @@ -30,7 +30,7 @@ install: all .PHONY: uninstall -CFLAGS += -Werror $(CFLAGS_xeninclude) -D__XEN_TOOLS__ -O3 +CFLAGS += -Werror -Wno-format-overflow $(CFLAGS_xeninclude) -D__XEN_TOOLS__ -O3 CFLAGS += $(APPEND_CFLAGS) vpath %.c ../../../xen/lib/x86