diff options
Diffstat (limited to 'test/Analysis/stream.c')
-rw-r--r-- | test/Analysis/stream.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/test/Analysis/stream.c b/test/Analysis/stream.c index 17876688dd..f834a6a603 100644 --- a/test/Analysis/stream.c +++ b/test/Analysis/stream.c @@ -2,11 +2,33 @@ typedef __typeof__(sizeof(int)) size_t; typedef struct _IO_FILE FILE; -FILE *fopen(const char *path, const char *mode); -size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream); +#define SEEK_SET 0 /* Seek from beginning of file. */ +#define SEEK_CUR 1 /* Seek from current position. */ +#define SEEK_END 2 /* Seek from end of file. */ +extern FILE *fopen(const char *path, const char *mode); +extern size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream); +extern int fseek (FILE *__stream, long int __off, int __whence); +extern long int ftell (FILE *__stream); +extern void rewind (FILE *__stream); void f1(void) { FILE *p = fopen("foo", "r"); char buf[1024]; fread(buf, 1, 1, p); // expected-warning {{Stream pointer might be NULL.}} } + +void f2(void) { + FILE *p = fopen("foo", "r"); + fseek(p, 1, SEEK_SET); // expected-warning {{Stream pointer might be NULL.}} +} + +void f3(void) { + FILE *p = fopen("foo", "r"); + ftell(p); // expected-warning {{Stream pointer might be NULL.}} +} + +void f4(void) { + FILE *p = fopen("foo", "r"); + rewind(p); // expected-warning {{Stream pointer might be NULL.}} +} + |