File: security-syntax-checks.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (20 lines) | stat: -rw-r--r-- 921 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
 
// RUN: %clang_analyze_cc1 %s -verify \
// RUN:   -analyzer-checker=security.insecureAPI
// RUN: %clang_analyze_cc1 %s -verify -std=gnu11 \
// RUN:   -analyzer-checker=security.insecureAPI
// RUN: %clang_analyze_cc1 %s -verify -std=gnu99 \
// RUN:   -analyzer-checker=security.insecureAPI

void builtin_function_call_crash_fixes(char *c) {
  __builtin_strncpy(c, "", 6);
  __builtin_memset(c, '\0', (0));
  __builtin_memcpy(c, c, 0);

#if __STDC_VERSION__ > 199901
  // expected-warning@-5{{Call to function 'strncpy' is insecure as it does not provide security checks introduced in the C11 standard.}}
  // expected-warning@-5{{Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard.}}
  // expected-warning@-5{{Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard.}}
#else
  // expected-no-diagnostics
#endif
}