X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Flyxlib.h;h=23894ee2ebea1d47d077ca3344ada70edd32e89f;hb=ecbd047cffa1c4af95cf4ab91a7d2fded4a5584c;hp=e76e14c956ed8fe4ab62b671194ebfa181c8aeba;hpb=44cd0fc9a1687cc63911c7f98d978594458e7813;p=lyx.git diff --git a/src/support/lyxlib.h b/src/support/lyxlib.h index e76e14c956..23894ee2eb 100644 --- a/src/support/lyxlib.h +++ b/src/support/lyxlib.h @@ -7,7 +7,7 @@ * A selection of useful system functions made * handy for C++ usage. * - * \author Lars Gullik Bjønnes + * \author Lars Gullik Bjønnes * * Full author contact details are available in file CREDITS. */ @@ -15,43 +15,25 @@ #ifndef LYX_LIB_H #define LYX_LIB_H -#include +// always include (also with MSVC), to avoid compiler specific side effects +#include +#ifdef _MSC_VER +/// Replacement for C99 round() +inline double round(double x) +{ + if (x < 0) + return ceil(x - 0.5); + else + return floor(x + 0.5); +} +#endif namespace lyx { namespace support { -/// get the current working directory -std::string const getcwd(); -/// change to a directory, 0 is returned on success. -int chdir(std::string const & name); -/** - * rename a file, returns false if it fails. - * It can handle renames across partitions. - */ -bool rename(std::string const & from, std::string const & to); -/// copy a file, returns false it it fails -bool copy(std::string const & from, std::string const & to); -/// generates a checksum of a file -unsigned long sum(std::string const & file); /// FIXME: some point to this hmm ? int kill(int pid, int sig); -/// FIXME: same here -void abort(); -/// create the given directory with the given mode -int mkdir(std::string const & pathname, unsigned long int mode); -/// put a C std::string into the environment -int putenv(char const * str); -/// unlink the given file -int unlink(std::string const & file); -/// remove the given directory -int rmdir(std::string const & file); -/// convert the given string to an integer -int atoi(std::string const & nstr); -/// (securely) create a temporary file in the given dir with the given prefix -std::string const tempName(std::string const & dir = std::string(), - std::string const & mask = std::string()); - /** * Returns true if var is approximately equal to number with allowed error @@ -61,11 +43,17 @@ std::string const tempName(std::string const & dir = std::string(), * * This will check if 'var' is approx. equal to 'number' with error of 1/1000 */ -inline bool float_equal(float var, float number, float error) +inline bool float_equal(double var, double number, double error) { return (number - error <= var && var <= number + error); } +/// round \p x to nearest integer +inline int iround(double x) +{ + return static_cast(round(x)); +} + } // namespace support } // namespace lyx