File: objc-cf-audited-warning.m

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (24 lines) | stat: -rw-r--r-- 1,202 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// RUN: %clang_cc1  -fobjc-arc -verify %s
// rdar://18222007

#if __has_feature(arc_cf_code_audited)
#define CF_IMPLICIT_BRIDGING_ENABLED _Pragma("clang arc_cf_code_audited begin")
#define CF_IMPLICIT_BRIDGING_DISABLED _Pragma("clang arc_cf_code_audited end")
#endif
#define CF_BRIDGED_TYPE(T)              __attribute__((objc_bridge(T)))

typedef const struct CF_BRIDGED_TYPE(NSURL) __CFURL * CFURLRef;
typedef signed long long CFIndex;
typedef unsigned char           Boolean;
typedef unsigned char                   UInt8;
typedef const struct __CFAllocator * CFAllocatorRef;
const CFAllocatorRef kCFAllocatorDefault;

CF_IMPLICIT_BRIDGING_ENABLED
CFURLRef CFURLCreateFromFileSystemRepresentation(CFAllocatorRef allocator, const UInt8 *buffer, CFIndex bufLen, Boolean isDirectory); // expected-note {{passing argument to parameter 'buffer' here}}
CF_IMPLICIT_BRIDGING_DISABLED

void saveImageToJPG(const char *filename)
{
    CFURLRef url = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, filename, 10, 0); // expected-warning {{passing 'const char *' to parameter of type 'const UInt8 *' (aka 'const unsigned char *') converts between pointers to integer types with different sign}}
}