66 lines
3.0 KiB
Objective-C
66 lines
3.0 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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#include <stdarg.h>
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#include <stddef.h>
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#define __need_wint_t
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#include <stddef.h> // For wint_t and wchar_t
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int printf(const char *restrict, ...);
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@interface NSString
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@end
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void test_os_log_format(const char *pc, int i, void *p, void *buf) {
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__builtin_os_log_format(buf, "");
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__builtin_os_log_format(buf, "%d"); // expected-warning {{more '%' conversions than data arguments}}
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__builtin_os_log_format(buf, "%d", i);
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__builtin_os_log_format(buf, "%P", p); // expected-warning {{using '%P' format specifier without precision}}
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__builtin_os_log_format(buf, "%.10P", p);
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__builtin_os_log_format(buf, "%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}}
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__builtin_os_log_format(buf, "%.*P", i, p);
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__builtin_os_log_format(buf, "%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}}
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__builtin_os_log_format(buf, "%n"); // expected-error {{os_log() '%n' format specifier is not allowed}}
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__builtin_os_log_format(buf, pc); // expected-error {{os_log() format argument is not a string constant}}
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printf("%{private}s", pc); // expected-warning {{using 'private' format specifier annotation outside of os_log()/os_trace()}}
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__builtin_os_log_format(buf, "%{private}s", pc);
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// <rdar://problem/23835805>
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__builtin_os_log_format_buffer_size("no-args");
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__builtin_os_log_format(buf, "%s", "hi");
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// <rdar://problem/24828090>
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wchar_t wc = 'a';
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__builtin_os_log_format(buf, "%C", wc);
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printf("%C", wc);
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wchar_t wcs[] = {'a', 0};
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__builtin_os_log_format(buf, "%S", wcs);
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printf("%S", wcs);
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struct { char data[0x100]; } toobig;
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__builtin_os_log_format(buf, "%s", toobig); // expected-error {{os_log() argument 2 is too big (256 bytes, max 255)}}
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}
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// Test os_log_format primitive with ObjC string literal format argument.
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void test_objc(const char *pc, int i, void *p, void *buf, NSString *nss) {
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__builtin_os_log_format(buf, @"");
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__builtin_os_log_format(buf, @"%d"); // expected-warning {{more '%' conversions than data arguments}}
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__builtin_os_log_format(buf, @"%d", i);
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__builtin_os_log_format(buf, @"%P", p); // expected-warning {{using '%P' format specifier without precision}}
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__builtin_os_log_format(buf, @"%.10P", p);
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__builtin_os_log_format(buf, @"%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}}
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__builtin_os_log_format(buf, @"%.*P", i, p);
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__builtin_os_log_format(buf, @"%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}}
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__builtin_os_log_format(buf, @"%{private}s", pc);
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__builtin_os_log_format(buf, @"%@", nss);
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}
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// Test the os_log format attribute.
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void MyOSLog(const char *format, ...) __attribute__((format(os_log, 1, 2)));
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void test_attribute(void *p) {
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MyOSLog("%s\n", "Hello");
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MyOSLog("%d"); // expected-warning {{more '%' conversions than data arguments}}
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MyOSLog("%P", p); // expected-warning {{using '%P' format specifier without precision}}
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}
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