Text file src/cmd/cgo/internal/testcshared/testdata/main0.c

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  #include <stdint.h>
     6  #include <stdio.h>
     7  
     8  #include "p.h"
     9  #include "libgo.h"
    10  
    11  // Tests libgo.so to export the following functions.
    12  //   int8_t DidInitRun();
    13  //   int8_t DidMainRun();
    14  //   int32_t FromPkg();
    15  //   uint32_t Divu(uint32_t, uint32_t);
    16  int main(void) {
    17    int8_t ran_init = DidInitRun();
    18    if (!ran_init) {
    19      fprintf(stderr, "ERROR: DidInitRun returned unexpected results: %d\n",
    20              ran_init);
    21      return 1;
    22    }
    23    int8_t ran_main = DidMainRun();
    24    if (ran_main) {
    25      fprintf(stderr, "ERROR: DidMainRun returned unexpected results: %d\n",
    26              ran_main);
    27      return 1;
    28    }
    29    int32_t from_pkg = FromPkg();
    30    if (from_pkg != 1024) {
    31      fprintf(stderr, "ERROR: FromPkg=%d, want %d\n", from_pkg, 1024);
    32      return 1;
    33    }
    34    uint32_t divu = Divu(2264, 31);
    35    if (divu != 73) {
    36      fprintf(stderr, "ERROR: Divu(2264, 31)=%d, want %d\n", divu, 73);
    37      return 1;
    38    }
    39    // test.bash looks for "PASS" to ensure this program has reached the end.
    40    printf("PASS\n");
    41    return 0;
    42  }
    43  

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