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The following commit(s) were added to refs/heads/master by this push:
new 71ee767fe2 vsprintf:fix bug when print int64 0x8000000000000000
71ee767fe2 is described below
commit 71ee767fe20174ba92435cba9fac067210ea7577
Author: Bowen Wang <[email protected]>
AuthorDate: Fri Dec 8 12:05:24 2023 +0800
vsprintf:fix bug when print int64 0x8000000000000000
stdio/lib_libvsprintf.c:1018:17: runtime error: negation of
-9223372036854775808 cannot be
represented in type 'long long int'; cast to an unsigned type to negate
this value to itself
#0 0x3326a86 in vsprintf_internal stdio/lib_libvsprintf.c:1018
#1 0x332926b in lib_vsprintf stdio/lib_libvsprintf.c:1363
#2 0x3777978 in vfprintf stdio/lib_vfprintf.c:52
#3 0x671b3a0 in printf stdio/lib_printf.c:44
#4 0x37abc0c in hello_main
/data/project/code/vela-pt/apps/examples/hello/hello_main.c:38
#5 0x33201d3 in nxtask_startup sched/task_startup.c:70
#6 0x3208ecb in nxtask_start task/task_start.c:134
#7 0x3357a49 in pre_start sim/sim_initialstate.c:52
Signed-off-by: Bowen Wang <[email protected]>
---
libs/libc/stdio/lib_libvsprintf.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libs/libc/stdio/lib_libvsprintf.c
b/libs/libc/stdio/lib_libvsprintf.c
index c331d81569..3df402d7e9 100644
--- a/libs/libc/stdio/lib_libvsprintf.c
+++ b/libs/libc/stdio/lib_libvsprintf.c
@@ -1018,7 +1018,11 @@ str_lpad:
flags &= ~(FL_NEGATIVE | FL_ALT);
if (x < 0)
{
- x = -x;
+#ifndef CONFIG_HAVE_LONG_LONG
+ x = -(unsigned long)x;
+#else
+ x = -(unsigned long long)x;
+#endif
flags |= FL_NEGATIVE;
}
