| /* Test for format attributes: test default attributes are silently ignored |
| when a function is redeclared in an inappropriate manner. */ |
| /* Origin: Joseph Myers <jsm28@cam.ac.uk> */ |
| /* { dg-do compile } */ |
| /* { dg-options "-std=gnu99 -Wformat" } */ |
| |
| /* We can't #include "format.h" here. */ |
| |
| /* This scanf declaration is static, so can't be the system function. */ |
| static int scanf(const char *restrict, ...); |
| |
| /* This sscanf declaration doesn't have variable arguments, so isn't |
| compatible with a format attribute. */ |
| extern int sscanf(const char *restrict, const char *restrict, int *); /* { dg-warning "conflict" "conflict" } */ |
| |
| void |
| foo (const char *s, int *p) |
| { |
| scanf("%ld", p); /* { dg-bogus "format" "static" } */ |
| sscanf(s, "%ld", p); /* { dg-bogus "format" "wrong type" } */ |
| } |
| |
| /* Dummy definition of scanf. */ |
| static int |
| scanf (const char *restrict fmt, ...) |
| { |
| return 0; |
| } |
