diff options
Diffstat (limited to 'test/Sema/format-strings-scanf.c')
| -rw-r--r-- | test/Sema/format-strings-scanf.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/test/Sema/format-strings-scanf.c b/test/Sema/format-strings-scanf.c index 467586215b..c0f6b0becb 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 @@ void pr9751() { 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}} +} |