4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * A selection of useful system functions made
10 * \author Lars Gullik Bjønnes
12 * Full author contact details are available in file CREDITS
23 /// get the current working directory
24 string const getcwd();
25 /// change to a directory, 0 is returned on success.
26 int chdir(string const & name);
28 * rename a file, returns false if it fails.
29 * It can handle renames across partitions.
31 bool rename(string const & from, string const & to);
32 /// copy a file, returns false it it fails
33 bool copy(string const & from, string const & to);
34 /// generates a checksum of a file
35 unsigned long sum(string const & file);
36 /// FIXME: some point to this hmm ?
37 int kill(int pid, int sig);
40 /// create the given directory with the given mode
41 int mkdir(string const & pathname, unsigned long int mode);
42 /// put a C string into the environment
43 int putenv(char const * str);
44 /// unlink the given file
45 int unlink(string const & file);
46 /// remove the given directory
47 int rmdir(string const & file);
48 /// convert the given string to an integer
49 int atoi(string const & nstr);
50 /// (securely) create a temporary file in the given dir with the given prefix
51 string const tempName(string const & dir = string(),
52 string const & mask = string());
56 * Returns true if var is approximately equal to number with allowed error
59 * Usage: if (float_equal(var, number, 0.0001)) { }
61 * This will check if 'var' is approx. equal to 'number' with error of 1/1000
63 inline bool float_equal(float var, float number, float error)
65 return (number - error <= var && var <= number + error);
68 } // namespace support
71 #endif /* LYX_LIB_H */