| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | #include <stdarg.h> |
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| 4 | #include <stddef.h> |
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| 5 | #define __need_wint_t |
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| 6 | #include <stddef.h> // For wint_t and wchar_t |
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| 7 | |
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| 8 | int printf(const char *restrict, ...); |
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| 9 | |
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| 10 | @interface NSString |
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| 11 | @end |
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| 12 | |
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| 13 | void test_os_log_format(const char *pc, int i, void *p, void *buf) { |
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| 14 | __builtin_os_log_format(buf, ""); |
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| 15 | __builtin_os_log_format(buf, "%d"); // expected-warning {{more '%' conversions than data arguments}} |
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| 16 | __builtin_os_log_format(buf, "%d", i); |
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| 17 | __builtin_os_log_format(buf, "%P", p); // expected-warning {{using '%P' format specifier without precision}} |
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| 18 | __builtin_os_log_format(buf, "%.10P", p); |
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| 19 | __builtin_os_log_format(buf, "%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}} |
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| 20 | __builtin_os_log_format(buf, "%.*P", i, p); |
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| 21 | __builtin_os_log_format(buf, "%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}} |
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| 22 | __builtin_os_log_format(buf, "%n"); // expected-error {{os_log() '%n' format specifier is not allowed}} |
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| 23 | __builtin_os_log_format(buf, pc); // expected-error {{os_log() format argument is not a string constant}} |
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| 24 | |
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| 25 | printf("%{private}s", pc); // expected-warning {{using 'private' format specifier annotation outside of os_log()/os_trace()}} |
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| 26 | __builtin_os_log_format(buf, "%{private}s", pc); |
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| 27 | |
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| 28 | // <rdar://problem/23835805> |
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| 29 | __builtin_os_log_format_buffer_size("no-args"); |
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| 30 | __builtin_os_log_format(buf, "%s", "hi"); |
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| 31 | |
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| 32 | // <rdar://problem/24828090> |
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| 33 | wchar_t wc = 'a'; |
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| 34 | __builtin_os_log_format(buf, "%C", wc); |
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| 35 | printf("%C", wc); |
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| 36 | wchar_t wcs[] = {'a', 0}; |
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| 37 | __builtin_os_log_format(buf, "%S", wcs); |
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| 38 | printf("%S", wcs); |
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| 39 | |
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| 40 | struct { char data[0x100]; } toobig; |
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| 41 | __builtin_os_log_format(buf, "%s", toobig); // expected-error {{os_log() argument 2 is too big (256 bytes, max 255)}} |
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| 42 | |
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| 43 | __builtin_os_log_format(buf, "%{mask.xyz}s", "abc"); |
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| 44 | __builtin_os_log_format(buf, "%{mask.}s", "abc"); // expected-error {{mask type size must be between 1-byte and 8-bytes}} |
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| 45 | __builtin_os_log_format(buf, "%{mask.abcdefghi}s", "abc"); // expected-error {{mask type size must be between 1-byte and 8-bytes}} |
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| 46 | } |
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| 47 | |
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| 48 | // Test os_log_format primitive with ObjC string literal format argument. |
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| 49 | void test_objc(const char *pc, int i, void *p, void *buf, NSString *nss) { |
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| 50 | __builtin_os_log_format(buf, @""); |
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| 51 | __builtin_os_log_format(buf, @"%d"); // expected-warning {{more '%' conversions than data arguments}} |
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| 52 | __builtin_os_log_format(buf, @"%d", i); |
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| 53 | __builtin_os_log_format(buf, @"%P", p); // expected-warning {{using '%P' format specifier without precision}} |
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| 54 | __builtin_os_log_format(buf, @"%.10P", p); |
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| 55 | __builtin_os_log_format(buf, @"%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}} |
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| 56 | __builtin_os_log_format(buf, @"%.*P", i, p); |
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| 57 | __builtin_os_log_format(buf, @"%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}} |
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| 58 | |
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| 59 | __builtin_os_log_format(buf, @"%{private}s", pc); |
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| 60 | __builtin_os_log_format(buf, @"%@", nss); |
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| 61 | } |
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| 62 | |
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| 63 | // Test the os_log format attribute. |
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| 64 | void MyOSLog(const char *format, ...) __attribute__((format(os_log, 1, 2))); |
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| 65 | void test_attribute(void *p) { |
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| 66 | MyOSLog("%s\n", "Hello"); |
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| 67 | MyOSLog("%d"); // expected-warning {{more '%' conversions than data arguments}} |
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| 68 | MyOSLog("%P", p); // expected-warning {{using '%P' format specifier without precision}} |
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| 69 | } |
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| 70 | |
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