forked from OSchip/llvm-project
33 lines
717 B
C
33 lines
717 B
C
// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.experimental,core.uninitialized -analyzer-store=region -verify %s
|
|
typedef __typeof(sizeof(int)) size_t;
|
|
void *malloc(size_t);
|
|
void free(void *);
|
|
|
|
char stackBased1 () {
|
|
char buf[2];
|
|
buf[0] = 'a';
|
|
return buf[1]; // expected-warning{{Undefined}}
|
|
}
|
|
|
|
char stackBased2 () {
|
|
char buf[2];
|
|
buf[1] = 'a';
|
|
return buf[0]; // expected-warning{{Undefined}}
|
|
}
|
|
|
|
char heapBased1 () {
|
|
char *buf = malloc(2);
|
|
buf[0] = 'a';
|
|
char result = buf[1]; // expected-warning{{undefined}}
|
|
free(buf);
|
|
return result;
|
|
}
|
|
|
|
char heapBased2 () {
|
|
char *buf = malloc(2);
|
|
buf[1] = 'a';
|
|
char result = buf[0]; // expected-warning{{undefined}}
|
|
free(buf);
|
|
return result;
|
|
}
|