< prev index next >

test/hotspot/gtest/logging/logTestUtils.inline.hpp

Print this page
rev 50985 : 8206977: Minor improvements of runtime code.
Reviewed-by: coleenp, lfoltan
   1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */


  78   delete_file(name);
  79 #endif
  80 }
  81 
  82 static inline void init_log_file(const char* filename, const char* options = "") {
  83   LogStreamHandle(Error, logging) stream;
  84   bool success = LogConfiguration::parse_log_arguments(filename, "logging=trace", "", options, &stream);
  85   guarantee(success, "Failed to initialize log file '%s' with options '%s'", filename, options);
  86   log_debug(logging)("%s", LOG_TEST_STRING_LITERAL);
  87   success = LogConfiguration::parse_log_arguments(filename, "all=off", "", "", &stream);
  88   guarantee(success, "Failed to disable logging to file '%s'", filename);
  89 }
  90 
  91 // Read a complete line from fp and return it as a resource allocated string.
  92 // Returns NULL on EOF.
  93 static inline char* read_line(FILE* fp) {
  94   assert(fp != NULL, "invalid fp");
  95   int buflen = 512;
  96   char* buf = NEW_RESOURCE_ARRAY(char, buflen);
  97   long pos = ftell(fp);

  98 
  99   char* ret = fgets(buf, buflen, fp);
 100   while (ret != NULL && buf[strlen(buf) - 1] != '\n' && !feof(fp)) {
 101     // retry with a larger buffer
 102     buf = REALLOC_RESOURCE_ARRAY(char, buf, buflen, buflen * 2);
 103     buflen *= 2;
 104     // rewind to beginning of line
 105     fseek(fp, pos, SEEK_SET);
 106     // retry read with new buffer
 107     ret = fgets(buf, buflen, fp);
 108   }
 109   return ret;
 110 }
 111 
 112 static bool file_contains_substrings_in_order(const char* filename, const char* substrs[]) {
 113   FILE* fp = fopen(filename, "r");
 114   assert(fp != NULL, "error opening file %s: %s", filename, strerror(errno));
 115 
 116   size_t idx = 0;
 117   while (substrs[idx] != NULL) {


   1 /*
   2  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */


  78   delete_file(name);
  79 #endif
  80 }
  81 
  82 static inline void init_log_file(const char* filename, const char* options = "") {
  83   LogStreamHandle(Error, logging) stream;
  84   bool success = LogConfiguration::parse_log_arguments(filename, "logging=trace", "", options, &stream);
  85   guarantee(success, "Failed to initialize log file '%s' with options '%s'", filename, options);
  86   log_debug(logging)("%s", LOG_TEST_STRING_LITERAL);
  87   success = LogConfiguration::parse_log_arguments(filename, "all=off", "", "", &stream);
  88   guarantee(success, "Failed to disable logging to file '%s'", filename);
  89 }
  90 
  91 // Read a complete line from fp and return it as a resource allocated string.
  92 // Returns NULL on EOF.
  93 static inline char* read_line(FILE* fp) {
  94   assert(fp != NULL, "invalid fp");
  95   int buflen = 512;
  96   char* buf = NEW_RESOURCE_ARRAY(char, buflen);
  97   long pos = ftell(fp);
  98   if (pos < 0) return NULL;
  99 
 100   char* ret = fgets(buf, buflen, fp);
 101   while (ret != NULL && buf[strlen(buf) - 1] != '\n' && !feof(fp)) {
 102     // retry with a larger buffer
 103     buf = REALLOC_RESOURCE_ARRAY(char, buf, buflen, buflen * 2);
 104     buflen *= 2;
 105     // rewind to beginning of line
 106     fseek(fp, pos, SEEK_SET);
 107     // retry read with new buffer
 108     ret = fgets(buf, buflen, fp);
 109   }
 110   return ret;
 111 }
 112 
 113 static bool file_contains_substrings_in_order(const char* filename, const char* substrs[]) {
 114   FILE* fp = fopen(filename, "r");
 115   assert(fp != NULL, "error opening file %s: %s", filename, strerror(errno));
 116 
 117   size_t idx = 0;
 118   while (substrs[idx] != NULL) {


< prev index next >