[ccan] [PATCH v2 10/13] configurator: Fix warning in HAVE_FOR_LOOP_DECLARATION
Kevin Locke
kevin at kevinlocke.name
Fri Sep 23 13:33:13 AEST 2016
Visual C++ prints "warning C4702: unreachable code" due to the return
statement after the for loop which is never reached. Fix this by
setting a variable returned by a single return statement at the end.
Signed-off-by: Kevin Locke <kevin at kevinlocke.name>
---
tools/configurator/configurator.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
index d3e01cd..a43061b 100644
--- a/tools/configurator/configurator.c
+++ b/tools/configurator/configurator.c
@@ -222,8 +222,9 @@ static struct test tests[] = {
" return sizeof(off_t) == 8 ? 0 : 1;\n"
"}\n" },
{ "HAVE_FOR_LOOP_DECLARATION", INSIDE_MAIN, NULL, NULL,
- "for (int i = 0; i < argc; i++) { return 0; };\n"
- "return 1;" },
+ "int ret = 1;\n"
+ "for (int i = 0; i < argc; i++) { ret = 0; };\n"
+ "return ret;" },
{ "HAVE_FLEXIBLE_ARRAY_MEMBER", OUTSIDE_MAIN, NULL, NULL,
"struct foo { unsigned int x; int arr[]; };" },
{ "HAVE_GETPAGESIZE", DEFINES_FUNC, NULL, NULL,
--
2.9.3
More information about the ccan
mailing list