42 static inline void delete_file(const char* filename) {
  43   if (!file_exists(filename)) {
  44     return;
  45   }
  46   int ret = remove(filename);
  47   EXPECT_TRUE(ret == 0 || errno == ENOENT) << "failed to remove file '" << filename << "': "
  48       << os::strerror(errno) << " (" << errno << ")";
  49 }
  50 
  51 static inline void create_directory(const char* name) {
  52   assert(!file_exists(name), "can't create directory: %s already exists", name);
  53   bool failed;
  54 #ifdef _WINDOWS
  55   failed = !CreateDirectory(name, NULL);
  56 #else
  57   failed = mkdir(name, 0777);
  58 #endif
  59   assert(!failed, "failed to create directory %s", name);
  60 }
  61 















  62 static inline void init_log_file(const char* filename, const char* options = "") {
  63   LogStreamHandle(Error, logging) stream;
  64   bool success = LogConfiguration::parse_log_arguments(filename, "logging=trace", "", options, &stream);
  65   guarantee(success, "Failed to initialize log file '%s' with options '%s'", filename, options);
  66   log_debug(logging)("%s", LOG_TEST_STRING_LITERAL);
  67   success = LogConfiguration::parse_log_arguments(filename, "all=off", "", "", &stream);
  68   guarantee(success, "Failed to disable logging to file '%s'", filename);
  69 }
  70 
  71 // Read a complete line from fp and return it as a resource allocated string.
  72 // Returns NULL on EOF.
  73 static inline char* read_line(FILE* fp) {
  74   assert(fp != NULL, "invalid fp");
  75   int buflen = 512;
  76   char* buf = NEW_RESOURCE_ARRAY(char, buflen);
  77   long pos = ftell(fp);
  78 
  79   char* ret = fgets(buf, buflen, fp);
  80   while (ret != NULL && buf[strlen(buf) - 1] != '\n' && !feof(fp)) {
  81     // retry with a larger buffer

  42 static inline void delete_file(const char* filename) {
  43   if (!file_exists(filename)) {
  44     return;
  45   }
  46   int ret = remove(filename);
  47   EXPECT_TRUE(ret == 0 || errno == ENOENT) << "failed to remove file '" << filename << "': "
  48       << os::strerror(errno) << " (" << errno << ")";
  49 }
  50 
  51 static inline void create_directory(const char* name) {
  52   assert(!file_exists(name), "can't create directory: %s already exists", name);
  53   bool failed;
  54 #ifdef _WINDOWS
  55   failed = !CreateDirectory(name, NULL);
  56 #else
  57   failed = mkdir(name, 0777);
  58 #endif
  59   assert(!failed, "failed to create directory %s", name);
  60 }
  61 
  62 static inline void delete_directory(const char* name) {
  63 #ifdef _WINDOWS
  64   if (!file_exists(name)) {
  65     return;
  66   }
  67   bool failed;
  68   failed = !RemoveDirectory(name);
  69   EXPECT_FALSE(failed) << "failed to remove directory '" << name << "': "
  70           << os::strerror(errno) << " (" << errno << "); LastError = "
  71           << GetLastError();
  72 #else
  73   delete_file(name);
  74 #endif
  75 }
  76 
  77 static inline void init_log_file(const char* filename, const char* options = "") {
  78   LogStreamHandle(Error, logging) stream;
  79   bool success = LogConfiguration::parse_log_arguments(filename, "logging=trace", "", options, &stream);
  80   guarantee(success, "Failed to initialize log file '%s' with options '%s'", filename, options);
  81   log_debug(logging)("%s", LOG_TEST_STRING_LITERAL);
  82   success = LogConfiguration::parse_log_arguments(filename, "all=off", "", "", &stream);
  83   guarantee(success, "Failed to disable logging to file '%s'", filename);
  84 }
  85 
  86 // Read a complete line from fp and return it as a resource allocated string.
  87 // Returns NULL on EOF.
  88 static inline char* read_line(FILE* fp) {
  89   assert(fp != NULL, "invalid fp");
  90   int buflen = 512;
  91   char* buf = NEW_RESOURCE_ARRAY(char, buflen);
  92   long pos = ftell(fp);
  93 
  94   char* ret = fgets(buf, buflen, fp);
  95   while (ret != NULL && buf[strlen(buf) - 1] != '\n' && !feof(fp)) {
  96     // retry with a larger buffer