File: stream.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-20
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,436 kB
  • sloc: cpp: 5,593,990; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (22 lines) | stat: -rw-r--r-- 450 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.unix.Stream -verify %s

typedef struct _IO_FILE FILE;
extern FILE *fopen(const char *path, const char *mode);

struct X {
  int A;
  int B;
};

void *fopen(X x, const char *mode) {
  return new char[4];
}

void f1() {
  X X1;
  void *p = fopen(X1, "oo");
} // no-warning

void f2() {
  FILE *f = fopen("file", "r");
} // expected-warning {{Opened stream never closed. Potential resource leak}}