[PATCH v2] libsanitizer: Fix setbuffer() interceptor (accept size not mode)

[Azat Khuzhin via Gcc-patches]

Fixes: b667dd7017a ("Libsanitizer merge from trunk r368656.")
Refs: https://reviews.llvm.org/D116176
---
 .../sanitizer_common/sanitizer_common_interceptors.inc   | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc 
b/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc
index abb38ccfa15..86784768fe5 100644
--- a/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc
+++ b/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc
@@ -7858,12 +7858,13 @@ INTERCEPTOR(void, setbuf, __sanitizer_FILE *stream, 
char *buf) {
       unpoison_file(stream);
 }
 
-INTERCEPTOR(void, setbuffer, __sanitizer_FILE *stream, char *buf, int mode) {
+INTERCEPTOR(void, setbuffer, __sanitizer_FILE *stream, char *buf,
+  SIZE_T size) {
   void *ctx;
-  COMMON_INTERCEPTOR_ENTER(ctx, setbuffer, stream, buf, mode);
-  REAL(setbuffer)(stream, buf, mode);
+  COMMON_INTERCEPTOR_ENTER(ctx, setbuffer, stream, buf, size);
+  REAL(setbuffer)(stream, buf, size);
   if (buf) {
-    COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer_bufsiz);
+    COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, size);
   }
   if (stream)
     unpoison_file(stream);
-- 
2.33.1