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fte/fte.cpp

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/* fte.cpp
*
* Copyright (c) 1994-1997, Marko Macek
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
#define NEED_LOG_H
#include "fte.h"
#if defined(UNIX)
/* default locations for the configuration files */
const char *Unix_RCPaths[] = {
"/usr/local/etc/fte/system.fterc",
"/etc/fte/system.fterc",
"/usr/X11R6/lib/X11/fte/system.fterc",
};
// variables used by vfte
uid_t effuid;
gid_t effgid;
#endif /* UNIX */
char ConfigFileName[MAXPATH] = "";
static void Usage() {
printf("Usage: " PROGRAM " [-?] [-h] [--help] [-CDHTmlrt] files...\n"
"Version: " VERSION " " COPYRIGHT "\n"
" You may distribute under the terms of either the GNU General Public\n"
" License or the Artistic License, as specified in the README file.\n"
"\n"
"Options:\n"
" -- End of options, only files remain.\n"
" -+ Next option is file.\n"
" -? -h --help Display usage.\n"
" -! Ignore config file, use builtin defaults (also -c).\n"
" -C[<.cnf>] Use specified configuration file (no arg=builtin).\n"
#ifdef CONFIG_DESKTOP
" -D[<.dsk>] Load/Save desktop from <.dsk> file (no arg=disable desktop).\n"
#endif
#ifdef CONFIG_HISTORY
" -H[<.his>] Load/Save history from <.his> file (no arg=disable history).\n"
#endif
" -m[<mode>] Override mode for remaining files (no arg=no override).\n"
" -l<line>[,<col>] Go to line (and column) in next file.\n"
" -r Open next file as read-only.\n"
#ifdef CONFIG_TAGS
" -T[<tagfile>] Load tags file at startup.\n"
" -t<tag> Locate specified tag.\n"
#endif
// " -p Load files into already running FTE.\n"
);
}
#ifndef UNIX
/*
* findPathExt() returns a ^ to the suffix in a file name string. If the
* name contains a suffix, the pointer ^ts to the suffix' dot character,
* if the name has no suffix the pointer points to the NUL terminator of
* the file name string.
* .lib: CBASE.LIB
*/
static char *findPathExt(char *filename) {
char *p, *sps;
for (p = filename, sps = NULL; *p; p++) {
if (ISSLASH(*p))
sps = NULL;
if (*p == '.')
sps = p;
}
if (sps == NULL)
sps = p;
return sps;
}
#endif
#if defined(NT) && defined(MSVC)
char *getProgramName(char *name) {
return _pgmptr;
}
#endif
#if defined(OS2) && defined(__EMX__)
// argv[0] on emx does not contain full path
#define INCL_DOS
#include <os2.h>
char *getProgramName(char *name) {
char ProgramName[MAXPATH];
PTIB tib;
PPIB pib;
DosGetInfoBlocks(&tib, &pib);
if (DosQueryModuleName(pib->pib_hmte, sizeof(ProgramName), ProgramName) != 0)
return name;
return strdup(ProgramName);
}
#endif
static int GetConfigFileName(int argc, char **argv, char *ConfigFileName) {
char CfgName[MAXPATH] = "";
if (ConfigFileName[0] == 0) {
#if defined(UNIX)
// ? use ./.fterc if by current user ?
ExpandPath("~/.fterc", CfgName);
#elif defined(DOS) || defined(DOSP32)
strcpy(CfgName, argv[0]);
strcpy(findPathExt(CfgName), ".cnf");
#elif defined(OS2) || defined(NT)
char home[MAXPATH] = "";
char *ph;
#if defined(OS2)
ph = getenv("HOME");
if (ph) strcpy(home, ph);
#endif
#if defined(NT)
ph = getenv("HOMEDRIVE");
if (ph) strcpy(home, ph);
ph = getenv("HOMEPATH");
if (ph) strcat(home, ph);
#endif
if (home[0]) {
strcpy(CfgName, home);
Slash(CfgName, 1);
strcat(CfgName, "fte.cnf");
}
if (!home[0] || access(CfgName, 0) != 0) {
strcpy(CfgName, argv[0]);
strcpy(findPathExt(CfgName), ".cnf");
}
#endif
strcpy(ConfigFileName, CfgName);
}
if (access(ConfigFileName, 0) == 0)
return 1;
#if defined(UNIX)
for (unsigned int i = 0; i < sizeof(Unix_RCPaths)/sizeof(Unix_RCPaths[0]); i++) {
if (access(Unix_RCPaths[i], 0) == 0) {
strcpy(ConfigFileName, Unix_RCPaths[i]);
return 1;
}
}
#endif
return 0;
}
static int CmdLoadConfiguration(int &argc, char **argv) {
int ign = 0;
int QuoteAll = 0, QuoteNext = 0;
int haveConfig = 0;
int Arg;
for (Arg = 1; Arg < argc; Arg++) {
if (!QuoteAll && !QuoteNext && (argv[Arg][0] == '-')) {
if (argv[Arg][1] == '-') {
if (strcmp(argv[Arg], "--help") == 0) {
Usage();
return 0;
}
int debug_clean = strcmp(argv[Arg], "--debugclean") == 0;
if (debug_clean || strcmp(argv[Arg], "--debug") == 0) {
#ifndef FTE_NO_LOGGING
char path[MAXPATH];
#ifdef UNIX
ExpandPath("~/.fte", path);
#else
JustDirectory(argv[0], path);
#endif
Slash(path,1);
strcat(path, "fte.log");
if (debug_clean) unlink(path);
globalLog.SetLogFile(path);
printf("Trace Log in: %s\n", path);
#else
printf("--debug, --debugclean disabled\n");
#endif
}
else
QuoteAll = 1;
} else if (argv[Arg][1] == '!') {
ign = 1;
} else if (argv[Arg][1] == '+') {
QuoteNext = 1;
} else if (argv[Arg][1] == '?' || argv[Arg][1] == 'h') {
Usage();
return 0;
} else if (argv[Arg][1] == 'c' || argv[Arg][1] == 'C') {
if (argv[Arg][2])
{
strcpy(ConfigFileName, argv[Arg] + 2);
haveConfig = 1;
}
else
ign = 1;
}
}
}
if (!haveConfig && GetConfigFileName(argc, argv, ConfigFileName) == 0) {
// should we default to internal
#ifdef DEFAULT_INTERNAL_CONFIG
ign = 1;
#endif
}
if (ign) {
if (UseDefaultConfig() == -1)
DieError(1, "Error in internal configuration??? FATAL!");
} else {
if (LoadConfig(argc, argv, ConfigFileName) == -1)
DieError(1,
"Failed to load configuration file '%s'.\n"
"Use '-C' option.", ConfigFileName);
}
for (Arg = 1; Arg < argc; Arg++) {
if (!QuoteAll && !QuoteNext && (argv[Arg][0] == '-')) {
if (argv[Arg][1] == '-' && argv[Arg][2] == '\0') {
QuoteAll = 1;
} else if (argv[Arg][1] == '+') {
QuoteNext = 1;
#ifdef CONFIG_DESKTOP
} else if (argv[Arg][1] == 'D') {
ExpandPath(argv[Arg] + 2, DesktopFileName);
if (IsDirectory(DesktopFileName)) {
Slash(DesktopFileName, 1);
strcat(DesktopFileName, DESKTOP_NAME);
}
if (DesktopFileName[0] == 0) {
LoadDesktopOnEntry = 0;
SaveDesktopOnExit = 0;
} else {
LoadDesktopOnEntry = 1;
}
#endif
#ifdef CONFIG_HISTORY
} else if (argv[Arg][1] == 'H') {
strcpy(HistoryFileName, argv[Arg] + 2);
if (HistoryFileName[0] == 0) {
KeepHistory = 0;
} else {
KeepHistory = 1;
}
#endif
}
} else {
if (LoadDesktopOnEntry == 2) {
LoadDesktopOnEntry = 0;
SaveDesktopOnExit = 0;
DesktopFileName[0] = 0;
}
}
}
if (LoadDesktopOnEntry == 2)
LoadDesktopOnEntry = 1;
return 1;
}
int main(int argc, char **argv) {
#if defined(_DEBUG) && defined(MSVC) && defined(MSVCDEBUG)
_CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
_CrtSetReportMode( _CRT_ERROR, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_ERROR, _CRTDBG_FILE_STDERR );
_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
#endif //_DEBUG && MSVC && MSVCDEBUG
#if defined(__EMX__) || (defined(NT) && defined(MSVC))
argv[0] = getProgramName(argv[0]);
#endif
#if defined(UNIX) && defined(LINUX)
// security fix - when we need to be suid to access vcsa
effuid = geteuid();
effgid = getegid();
if (getuid() != effuid)
seteuid(getuid());
if (getgid() != effgid)
setegid(getgid());
#endif
if (CmdLoadConfiguration(argc, argv) == 0)
return 1;
STARTFUNC("main");
EGUI *g = new EGUI(argc, argv, ScreenSizeX, ScreenSizeY);
if (gui == 0 || g == 0)
DieError(1, "Failed to initialize display\n");
gui->Run();
#if defined(OS2) && !defined(DBMALLOC) && defined(CHECKHEAP)
if (_heapchk() != _HEAPOK)
DieError(0, "Heap memory is corrupt.");
#endif
delete gui;
gui = 0;
#if defined(__EMX__)
free(argv[0]);
#endif
#if defined(OS2) && !defined(DBMALLOC) && defined(CHECKHEAP)
if (_heapchk() != _HEAPOK)
DieError(0, "Heap memory is corrupt.");
#endif
#if defined(_DEBUG) && defined(MSVC) && defined(MSVCDEBUG)
_CrtSetDbgFlag((_CRTDBG_LEAK_CHECK_DF) | _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG));
#endif //_DEBUG && MSVC && MSVCDEBUG
#if defined(__DEBUG_ALLOC__)
_dump_allocated(64);
#endif
ENDFUNCRC(0);
//return 0;
}
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