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/*****
* util.h
* Andy Hammerlindl 2004/05/10
*
* A place for useful utility functions.
*****/
#ifndef UTIL_H
#define UTIL_H
#include <sys/types.h>
#include <iostream>
#include <cstdlib>
#include <csignal>
#include "common.h"
#include <strings.h>
// Demangle a typeid name (if the proper library is installed.
string demangle(const char *s);
// Duplicate a string.
char *Strdup(string s);
char *StrdupNoGC(string s);
char *StrdupMalloc(string s);
// Strip the directory from a filename.
string stripDir(string name);
// Strip the file from a filename, returning the directory.
string stripFile(string name);
// Strip the extension from a filename.
string stripExt(string name, const string& suffix="");
void writeDisabled();
// Replace spaces in file part of name with underscores.
string cleanpath(string name);
// Construct the full output path.
string outpath(string name);
// Construct a filename from the original, adding aux at the end, and
// changing the suffix.
string buildname(string filename, string suffix="", string aux="");
// Construct an alternate filename for a temporary file in the current
// directory.
string auxname(string filename, string suffix="");
// Cast argument to a string.
template<class T>
string String(T x)
{
ostringstream buf;
buf << x;
return buf.str();
}
typedef void (*sighandler_t)(int);
// Portable signal (sigaction wrapper).
sighandler_t Signal(int signum, sighandler_t handler);
// Split string S and push the pieces onto vector a.
void push_split(mem::vector<string>& a, const string& S);
// Wrapper to append /c start "" to MSDOS cmd.
void push_command(mem::vector<string>& a, const string& s);
// Return an argv array corresponding to the fields in command delimited
// by spaces not within matching single quotes.
char **args(const mem::vector<string> &args, bool quiet=false);
// Similar to the standard system call except allows interrupts and does
// not invoke a shell.
int System(const mem::vector<string> &command, int quiet=0, bool wait=true,
const char *hint=NULL, const char *application="",
int *pid=NULL);
#if defined(__DECCXX_LIBCXX_RH70)
extern "C" int kill(pid_t pid, Int sig) throw();
extern "C" char *strsignal(Int sig);
extern "C" double asinh(double x);
extern "C" double acosh(double x);
extern "C" double atanh(double x);
extern "C" double cbrt(double x);
extern "C" double erf(double x);
extern "C" double erfc(double x);
extern "C" double tgamma(double x);
extern "C" double remainder(double x, double y);
extern "C" double hypot(double x, double y) throw();
extern "C" double jn(Int n, double x);
extern "C" double yn(Int n, double x);
#endif
#if defined(__mips)
extern "C" double tgamma(double x);
#endif
#if defined(__DECCXX_LIBCXX_RH70) || defined(__CYGWIN__)
extern "C" int snprintf(char *str, size_t size, const char *format,...);
extern "C" int fileno(FILE *);
extern "C" char *strptime(const char *s, const char *format, struct tm *tm);
extern "C" int setenv(const char *name, const char *value, int overwrite);
extern "C" int unsetenv(const char *name);
#endif
extern bool False;
// Strip blank lines (which would break the bidirectional TeX pipe)
string stripblanklines(const string& s);
const char *startPath();
const char* setPath(const char *s, bool quiet=false);
const char *changeDirectory(const char *s);
extern char *startpath;
void backslashToSlash(string& s);
void spaceToUnderscore(string& s);
string Getenv(const char *name, bool msdos);
char *getPath(char *p=NULL);
void execError(const char *command, const char *hint, const char *application);
// This invokes a viewer to display the manual. Subsequent calls will only
// pop-up a new viewer if the old one has been closed.
void popupHelp();
#ifdef __CYGWIN__
inline long long llabs(long long x) {return x >= 0 ? x : -x;}
extern "C" char *initstate (unsigned seed, char *state, size_t size);
extern "C" long random (void);
#endif
inline Int Abs(Int x) {
#ifdef HAVE_LONG_LONG
return llabs(x);
#else
#ifdef HAVE_LONG
return labs(x);
#else
return abs(x);
#endif
#endif
}
unsigned unsignedcast(Int n);
unsignedInt unsignedIntcast(Int n);
int intcast(Int n);
Int Intcast(unsignedInt n);
#endif
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