| /* read into an invalid buffer */ | |
| #include <unistd.h> | |
| #define BUFSZ sizeof(int) | |
| void read_int(int *ptr, int fd) | |
| { | |
| read(fd, ptr, sizeof(int)); | |
| } | |
| int main() | |
| { | |
| char buffer[BUFSZ]; | |
| int fds[2]; | |
| void *ptr; | |
| int value; | |
| pipe(fds); | |
| value = 99; | |
| write(fds[1], &value, sizeof(int)); | |
| ptr = &buffer[-1]; | |
| read_int(ptr, fds[0]); | |
| close(fds[0]); | |
| close(fds[1]); | |
| return 0; | |
| } |