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      1 #include <config.h>
      2 #include <stdlib.h>
      3 #include <stdio.h>
      4 #include <string.h>
      5 #include <unistd.h>
      6 #include <sys/types.h>
      7 #include <sys/uio.h>
      8 
      9 static int status = EXIT_SUCCESS;
     10 
     11 #ifdef HAVE_PROCESS_VM_READV
     12 
     13 static void test_process_vm_readv()
     14 {
     15    char lbuf[] = "123456";
     16    char rbuf[] = "ABCDEF";
     17 
     18    struct iovec lvec[2];
     19    struct iovec rvec[2];
     20 
     21    lvec[0].iov_base = lbuf + 1;
     22    lvec[0].iov_len = 1;
     23    lvec[1].iov_base = lbuf + 3;
     24    lvec[1].iov_len = 2;
     25 
     26    rvec[0].iov_base = rbuf + 1;
     27    rvec[0].iov_len = 2;
     28    rvec[1].iov_base = rbuf + 4;
     29    rvec[1].iov_len = 1;
     30 
     31    if (process_vm_readv(getpid(),
     32                         lvec, 2,
     33                         rvec, 2,
     34                         0 ) < 0 ) {
     35       perror("process_vm_readv");
     36       status = EXIT_FAILURE;
     37    }
     38 
     39    if (strcmp(lbuf, "1B3CE6") != 0) {
     40       fprintf(stderr, "Expected: \"1B3CE6\"; Got: \"%s\"\n", lbuf);
     41       status = EXIT_FAILURE;
     42    }
     43 }
     44 
     45 #endif /* defined( HAVE_PROCESS_VM_READV ) */
     46 
     47 #ifdef HAVE_PROCESS_VM_WRITEV
     48 
     49 static void test_process_vm_writev()
     50 {
     51    char lbuf[] = "123456";
     52    char rbuf[] = "ABCDEF";
     53 
     54    struct iovec lvec[2];
     55    struct iovec rvec[2];
     56 
     57    lvec[0].iov_base = lbuf + 1;
     58    lvec[0].iov_len = 1;
     59    lvec[1].iov_base = lbuf + 3;
     60    lvec[1].iov_len = 2;
     61 
     62    rvec[0].iov_base = rbuf + 1;
     63    rvec[0].iov_len = 2;
     64    rvec[1].iov_base = rbuf + 4;
     65    rvec[1].iov_len = 1;
     66 
     67    if (process_vm_writev(getpid(),
     68                          lvec, 2,
     69                          rvec, 2,
     70                          0 ) < 0 ) {
     71       perror("process_vm_writev");
     72       status = EXIT_FAILURE;
     73    }
     74 
     75    if (strcmp(rbuf, "A24D5F") != 0) {
     76       fprintf(stderr, "Expected: \"A24D5F\"; Got: \"%s\"\n", rbuf);
     77       status = EXIT_FAILURE;
     78    }
     79 }
     80 
     81 #endif /* defined( HAVE_PROCESS_VM_WRITEV ) */
     82 
     83 int main(int argc, char *argv[])
     84 {
     85 #ifdef HAVE_PROCESS_VM_READV
     86    test_process_vm_readv();
     87 #endif
     88 #ifdef HAVE_PROCESS_VM_WRITEV
     89    test_process_vm_writev();
     90 #endif
     91    return status;
     92 }
     93