/tags/rel-1-3-26/SWIG/Examples/test-suite/char_strings.i

  1/*
  2A test case for testing char based strings. Useful for runtime testing,
  3there were some runtime crashes and leaks in the C# module in some of the scenarios
  4below.
  5*/
  6
  7%module char_strings
  8
  9%warnfilter(462) global_char_array1;  // Unable to set variable of type char[]
 10
 11%{
 12#define OTHERLAND_MSG "Little message from the the safe world."
 13#define CPLUSPLUS_MSG "A message from the deep dark world of C++, where anything is possible."
 14static char *global_str = NULL;
 15const int UINT_DIGITS = 10; // max unsigned int is 4294967295
 16
 17bool check(const char *str, unsigned int number) {
 18  static char expected[256];
 19  sprintf(expected, "%s%d", OTHERLAND_MSG, number);
 20  bool matches = (strcmp(str, expected) == 0);
 21  if (!matches) printf("Failed: [%s][%s]\n", str, expected);
 22  return matches;
 23}
 24
 25%}
 26
 27%immutable global_const_char;
 28
 29%inline %{
 30// get functions
 31char *GetCharHeapString() {
 32  global_str = new char[sizeof(CPLUSPLUS_MSG)+1];
 33  strcpy(global_str, CPLUSPLUS_MSG);
 34  return global_str;
 35}
 36
 37const char *GetConstCharProgramCodeString() {
 38  return CPLUSPLUS_MSG;
 39}
 40
 41void DeleteCharHeapString() {
 42  delete[] global_str;
 43  global_str = NULL;
 44}
 45
 46char *GetCharStaticString() {
 47  static char str[sizeof(CPLUSPLUS_MSG)+1];
 48  strcpy(str, CPLUSPLUS_MSG);
 49  return str;
 50}
 51
 52char *GetCharStaticStringFixed() {
 53  static char str[] = CPLUSPLUS_MSG;
 54  return str;
 55}
 56
 57const char *GetConstCharStaticStringFixed() {
 58  static const char str[] = CPLUSPLUS_MSG;
 59  return str;
 60}
 61
 62// set functions
 63bool SetCharHeapString(char *str, unsigned int number) {
 64  delete[] global_str;
 65  global_str = new char[strlen(str)+UINT_DIGITS+1];
 66  strcpy(global_str, str);
 67  return check(global_str, number);
 68}
 69
 70bool SetCharStaticString(char *str, unsigned int number) {
 71  static char static_str[] = CPLUSPLUS_MSG;
 72  strcpy(static_str, str);
 73  return check(static_str, number);
 74}
 75
 76bool SetCharArrayStaticString(char str[], unsigned int number) {
 77  static char static_str[] = CPLUSPLUS_MSG;
 78  strcpy(static_str, str);
 79  return check(static_str, number);
 80}
 81
 82bool SetConstCharHeapString(const char *str, unsigned int number) {
 83  delete[] global_str;
 84  global_str = new char[strlen(str)+UINT_DIGITS+1];
 85  strcpy(global_str, str);
 86  return check(global_str, number);
 87}
 88
 89bool SetConstCharStaticString(const char *str, unsigned int number) {
 90  static char static_str[] = CPLUSPLUS_MSG;
 91  strcpy(static_str, str);
 92  return check(static_str, number);
 93}
 94
 95bool SetConstCharArrayStaticString(const char str[], unsigned int number) {
 96  static char static_str[] = CPLUSPLUS_MSG;
 97  strcpy(static_str, str);
 98  return check(static_str, number);
 99}
100
101// get set function
102char *CharPingPong(char *str) {
103  return str;
104}
105
106// variables
107char *global_char = NULL;
108char global_char_array1[] = CPLUSPLUS_MSG;
109char global_char_array2[sizeof(CPLUSPLUS_MSG)+1] = CPLUSPLUS_MSG;
110
111const char *global_const_char = CPLUSPLUS_MSG;
112const char global_const_char_array1[] = CPLUSPLUS_MSG;
113const char global_const_char_array2[sizeof(CPLUSPLUS_MSG)+1] = CPLUSPLUS_MSG;
114
115%}