Make fscanf, vscanf, etc. be recognized as scanf-like functions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146367 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/format-strings-scanf.c b/test/Sema/format-strings-scanf.c
index 4675862..c0f6b0b 100644
--- a/test/Sema/format-strings-scanf.c
+++ b/test/Sema/format-strings-scanf.c
@@ -1,12 +1,18 @@
// RUN: %clang_cc1 -fsyntax-only -verify -Wformat-nonliteral %s
+#include <stdarg.h>
typedef __typeof(sizeof(int)) size_t;
typedef struct _FILE FILE;
typedef __WCHAR_TYPE__ wchar_t;
int fscanf(FILE * restrict, const char * restrict, ...) ;
int scanf(const char * restrict, ...) ;
-int sscanf(const char * restrict, const char * restrict, ...) ;
+int sscanf(char * restrict, const char * restrict, ...) ;
+int my_scanf(const char * restrict, ...) __attribute__((__format__(__scanf__, 1, 2)));
+
+int vscanf(const char * restrict, va_list);
+int vfscanf(FILE * restrict, const char * restrict, va_list);
+int vsscanf(char * restrict, const char * restrict, va_list);
void test(const char *s, int *i) {
scanf(s, i); // expected-warning{{ormat string is not a string literal}}
@@ -45,3 +51,19 @@
scanf(kFormat2, str); // expected-warning{{no closing ']' for '%[' in scanf format string}}
scanf("%[", str); // expected-warning{{no closing ']' for '%[' in scanf format string}}
}
+
+void test_variants(int *i, const char *s, ...) {
+ FILE *f = 0;
+ char buf[100];
+
+ fscanf(f, "%ld", i); // expected-warning{{conversion specifies type 'long *' but the argument has type 'int *'}}
+ sscanf(buf, "%ld", i); // expected-warning{{conversion specifies type 'long *' but the argument has type 'int *'}}
+ my_scanf("%ld", i); // expected-warning{{conversion specifies type 'long *' but the argument has type 'int *'}}
+
+ va_list ap;
+ va_start(ap, s);
+
+ vscanf("%[abc", ap); // expected-warning{{no closing ']' for '%[' in scanf format string}}
+ vfscanf(f, "%[abc", ap); // expected-warning{{no closing ']' for '%[' in scanf format string}}
+ vsscanf(buf, "%[abc", ap); // expected-warning{{no closing ']' for '%[' in scanf format string}}
+}