Initial import.

1 files changed, 100 insertions, 0 deletions

diff --git a/ninja/src/util.h b/ninja/src/util.h
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+// Copyright 2011 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef NINJA_UTIL_H_
+#define NINJA_UTIL_H_
+
+#ifdef _WIN32
+#include "win32port.h"
+#else
+#include <stdint.h>
+#endif
+
+#include <string>
+#include <vector>
+using namespace std;
+
+#ifdef _MSC_VER
+#define NORETURN __declspec(noreturn)
+#else
+#define NORETURN __attribute__((noreturn))
+#endif
+
+/// Log a fatal message and exit.
+NORETURN void Fatal(const char* msg, ...);
+
+/// Log a warning message.
+void Warning(const char* msg, ...);
+
+/// Log an error message.
+void Error(const char* msg, ...);
+
+/// Canonicalize a path like "foo/../bar.h" into just "bar.h".
+bool CanonicalizePath(string* path, string* err);
+
+bool CanonicalizePath(char* path, size_t* len, string* err);
+
+/// Read a file to a string (in text mode: with CRLF conversion
+/// on Windows).
+/// Returns -errno and fills in \a err on error.
+int ReadFile(const string& path, string* contents, string* err);
+
+/// Mark a file descriptor to not be inherited on exec()s.
+void SetCloseOnExec(int fd);
+
+/// Given a misspelled string and a list of correct spellings, returns
+/// the closest match or NULL if there is no close enough match.
+const char* SpellcheckStringV(const string& text,
+                              const vector<const char*>& words);
+
+/// Like SpellcheckStringV, but takes a NULL-terminated list.
+const char* SpellcheckString(const char* text, ...);
+
+/// Removes all Ansi escape codes (http://www.termsys.demon.co.uk/vtansi.htm).
+string StripAnsiEscapeCodes(const string& in);
+
+/// @return the number of processors on the machine.  Useful for an initial
+/// guess for how many jobs to run in parallel.  @return 0 on error.
+int GetProcessorCount();
+
+/// @return the load average of the machine. A negative value is returned
+/// on error.
+double GetLoadAverage();
+
+/// Elide the given string @a str with '...' in the middle if the length
+/// exceeds @a width.
+string ElideMiddle(const string& str, size_t width);
+
+/// Truncates a file to the given size.
+bool Truncate(const string& path, size_t size, string* err);
+
+#ifdef _MSC_VER
+#define snprintf _snprintf
+#define fileno _fileno
+#define unlink _unlink
+#define chdir _chdir
+#define strtoull _strtoui64
+#define getcwd _getcwd
+#define PATH_MAX _MAX_PATH
+#endif
+
+#ifdef _WIN32
+/// Convert the value returned by GetLastError() into a string.
+string GetLastErrorString();
+
+/// Calls Fatal() with a function name and GetLastErrorString.
+NORETURN void Win32Fatal(const char* function);
+#endif
+
+#endif  // NINJA_UTIL_H_