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-rw-r--r--tests/test_printbuf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/test_printbuf.c b/tests/test_printbuf.c
index 3676b54..ee3f80d 100644
--- a/tests/test_printbuf.c
+++ b/tests/test_printbuf.c
@@ -124,7 +124,7 @@ static void test_sprintbuf(int before_resize)
memset(data, 'X', before_resize + 1 + 1);
data[before_resize + 1] = '\0';
sprintbuf(pb, "%s", data);
- printf("sprintbuf to just after resize(%d+1): %d, [%s], strlen(buf)=%d\n", before_resize, printbuf_length(pb), pb->buf, strlen(pb->buf));
+ printf("sprintbuf to just after resize(%d+1): %d, [%s], strlen(buf)=%d\n", before_resize, printbuf_length(pb), pb->buf, (int)strlen(pb->buf));
printbuf_reset(pb);
sprintbuf(pb, "plain");