* 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.
*/
#ifndef LYX_LIB_H
#define LYX_LIB_H
-#include <string>
+// always include <math.h> (also with MSVC), to avoid compiler specific side effects
+#include <math.h>
+#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 variable=value as a C std::string into the environment
-bool putenv(std::string const & varname, std::string const & value);
-/// 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
return (number - error <= var && var <= number + error);
}
+/// round \p x to nearest integer
+inline int iround(double x)
+{
+ return static_cast<int>(round(x));
+}
+
} // namespace support
} // namespace lyx