| /* Check CFString format extensions. */ |
| /* { dg-do compile { target *-*-darwin* } } */ |
| /* { dg-options "-Wall" } */ |
| |
| extern int printf (const char *fmt, ...); |
| |
| typedef const struct __CFString * CFStringRef; |
| |
| #ifdef __CONSTANT_CFSTRINGS__ |
| #define CFSTR(cStr) ((CFStringRef) __builtin___CFStringMakeConstantString ("" cStr "")) |
| #else |
| #error requires CFString |
| #endif |
| |
| int s1 (CFStringRef fmt, ...) __attribute__((format(CFString, 1, 2))) ; /* OK */ |
| int s2 (int a, CFStringRef fmt, ... ) __attribute__((format(__CFString__, 2, 3))) ; /* OK */ |
| |
| int s2a (int a, CFStringRef fmt, ... ) __attribute__((format(CFString, 2, 2))) ; /* { dg-error ".format. attribute argument 3 value .2. does not refer to a variable argument list" } */ |
| |
| int s3 (const char *fmt, ... ) __attribute__((format(__CFString__, 1, 2))) ; /* { dg-error "format argument should be a .CFString. reference but a string was found" } */ |
| int s4 (CFStringRef fmt, ... ) __attribute__((format(printf, 1, 2))) ; /* { dg-error "found a .CFStringRef.* but the format argument should be a string" } */ |
| |
| char *s5 (char dum, char *fmt1, ... ) __attribute__((format_arg(2))) ; /* OK */ |
| CFStringRef s6 (CFStringRef dum, CFStringRef fmt1, ... ) __attribute__((format_arg(2))) ; /* OK */ |
| |
| char *s7 (int dum, void *fmt1, ... ) __attribute__((format_arg(2))) ; /* { dg-error ".format_arg. attribute argument value .2. refers to parameter type .void \\\*." } */ |
| int s8 (CFStringRef dum, CFStringRef fmt1, ... ) __attribute__((format_arg(2))) ; /* { dg-error "function does not return string type" } */ |
| |
| void foo (void) |
| { |
| CFStringRef notchk = CFSTR ("here is an unchecked %d %s string"); |
| s1 (notchk, 5, 6, 7); |
| printf("this one is checked %d %s", 3, 4, 5); /* { dg-warning "format .%s. expects argument of type .char .., but argument 3 has type .int." } */ |
| /* { dg-warning "too many arguments for format" "" { target *-*-* } .-1 } */ |
| printf(s5 (1, "and so is this %d %d %s", 3, 4, "hey", 6), 5, 6, 12);/* { dg-warning "format .%s. expects argument of type .char .., but argument 4 has type .int." } */ |
| } |