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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2018-06-04 12:37:21 -0300
committerLaurent Vivier <laurent@vivier.eu>2018-06-11 14:40:11 +0200
commit1129dd712157b42397275681e6397bf2d6bdfa0e (patch)
tree5b2c920910db043477d994739d2efd08b840ec34 /linux-user/qemu.h
parent9f55925b8f50a962d1d08d815044db7767ae3838 (diff)
linux-user: Export use is_error(), use it to avoid warnings
This fixes: linux-user/flatload.c:740:9: warning: Loss of sign in implicit conversion if (res > (unsigned long)-4096) ^~~ Reported-by: Clang Static Analyzer Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180604153722.24956-2-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/qemu.h')
-rw-r--r--linux-user/qemu.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/linux-user/qemu.h b/linux-user/qemu.h
index 6fa1e968db..793cd4df04 100644
--- a/linux-user/qemu.h
+++ b/linux-user/qemu.h
@@ -618,6 +618,11 @@ static inline void *lock_user_string(abi_ulong guest_addr)
#include <pthread.h>
+static inline int is_error(abi_long ret)
+{
+ return (abi_ulong)ret >= (abi_ulong)(-4096);
+}
+
/* Include target-specific struct and function definitions;
* they may need access to the target-independent structures
* above, so include them last.