File: std-c-library-functions-restrict.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (24 lines) | stat: -rw-r--r-- 1,091 bytes parent folder | download | duplicates (8) 
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_analyze_cc1 %s \
// RUN:   -analyzer-checker=core \
// RUN:   -analyzer-checker=unix.StdCLibraryFunctions \
// RUN:   -analyzer-checker=debug.StdCLibraryFunctionsTester \
// RUN:   -analyzer-config unix.StdCLibraryFunctions:DisplayLoadedSummaries=true \
// RUN:   -triple i686-unknown-linux 2>&1 | FileCheck %s

// The signatures for these functions are the same and they specify their
// parameter with the restrict qualifier. In C, the signature should match only
// if the restrict qualifier is there on the parameter. Thus, the summary
// should be loaded for the last two declarations only.
void __test_restrict_param_0(void *p);
void __test_restrict_param_1(void *__restrict p);
void __test_restrict_param_2(void *restrict p);

// CHECK-NOT: Loaded summary for: void __test_restrict_param_0
//     CHECK: Loaded summary for: void __test_restrict_param_1(void *restrict p)
//     CHECK: Loaded summary for: void __test_restrict_param_2(void *restrict p)

// Must have at least one call expression to initialize the summary map.
int bar(void);
void foo(void) {
  bar();
}