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-rw-r--r--libio/iovsprintf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libio/iovsprintf.c b/libio/iovsprintf.c
index 182c4ff..2c5d775 100644
--- a/libio/iovsprintf.c
+++ b/libio/iovsprintf.c
@@ -37,7 +37,7 @@ _IO_vsprintf (string, format, args)
_IO_JUMPS ((_IO_FILE *) &sf) = &_IO_str_jumps;
_IO_str_init_static ((_IO_FILE *) &sf, string, -1, string);
ret = _IO_vfprintf ((_IO_FILE *) &sf, format, args);
- _IO_putc('\0', (_IO_FILE *) &sf);
+ _IO_putc_unlocked ('\0', (_IO_FILE *) &sf);
return ret;
}