static void
options(int argc, char **argv)
{
char path[PATHLEN + 1]; /* file path */
int c;
char *s;
while (--argc > 0 && (*++argv)[0] == '-') {
for (s = argv[0] + 1; *s != '\0'; s++) {
/* look for an input field number */
if (isdigit(*s)) {
field = *s - '0';
if (*++s == '\0' && --argc > 0) {
s = *++argv;
}
if (strlen(s) > PATLEN) {
(void) fprintf(stderr,
"cscope: pattern too long, cannot "
"be > %d characters\n", PATLEN);
exit(1);
}
(void) strcpy(pattern, s);
goto nextarg;
}
switch (*s) {
case '-': /* end of options */
--argc;
++argv;
goto lastarg;
case 'V': /* print the version number */
(void) fprintf(stderr,
"%s: version %d%s\n", argv0,
FILEVERSION, FIXVERSION);
exit(0);
/*NOTREACHED*/
case 'b': /* only build the cross-reference */
buildonly = YES;
break;
case 'c': /* ASCII characters only in crossref */
compress = NO;
break;
case 'C':
/* turn on caseless mode for symbol searches */
caseless = YES;
/* simulate egrep -i flag */
egrepcaseless(caseless);
break;
case 'd': /* consider crossref up-to-date */
isuptodate = YES;
break;
case 'e': /* suppress ^E prompt between files */
editallprompt = NO;
break;
case 'L':
onesearch = YES;
/* FALLTHROUGH */
case 'l':
linemode = YES;
break;
case 'o':
/* display OGS book and subsystem names */
ogs = YES;
break;
case 'q': /* quick search */
invertedindex = YES;
break;
case 'r': /* display as many lines as possible */
returnrequired = YES;
break;
case 'T': /* truncate symbols to 8 characters */
truncatesyms = YES;
break;
case 'u':
/* unconditionally build the cross-reference */
unconditional = YES;
break;
case 'U': /* assume some files have changed */
fileschanged = YES;
break;
case 'f': /* alternate cross-reference file */
case 'F': /* symbol reference lines file */
case 'i': /* file containing file names */
case 'I': /* #include file directory */
case 'p': /* file path components to display */
case 'P': /* prepend path to file names */
case 's': /* additional source file directory */
case 'S':
case 't': /* no activity timeout in hours */
c = *s;
if (*++s == '\0' && --argc > 0) {
s = *++argv;
}
if (*s == '\0') {
(void) fprintf(stderr,
"%s: -%c option: missing or empty "
"value\n", argv0, c);
goto usage;
}
switch (c) {
case 'f':
/* alternate cross-reference file */
reffile = s;
(void) strcpy(path, s);
/* System V has a 14 character limit */
s = basename(path);
if ((int)strlen(s) > 11) {
s[11] = '\0';
}
s = path + strlen(path);
(void) strcpy(s, ".in");
invname = stralloc(path);
(void) strcpy(s, ".po");
invpost = stralloc(path);
break;
case 'F':
/* symbol reference lines file */
reflines = s;
break;
case 'i': /* file containing file names */
namefile = s;
break;
case 'I': /* #include file directory */
includedir(s);
break;
case 'p':
/* file path components to display */
if (*s < '0' || *s > '9') {
(void) fprintf(stderr,
"%s: -p option: missing "
"or invalid numeric "
"value\n", argv0);
goto usage;
}
dispcomponents = atoi(s);
break;
case 'P': /* prepend path to file names */
prependpath = s;
break;
case 's':
case 'S':
/* additional source directory */
sourcedir(s);
break;
case 't':
/* no activity timeout in hours */
if (*s < '1' || *s > '9') {
(void) fprintf(stderr,
"%s: -t option: missing or "
"invalid numeric value\n",
argv0);
goto usage;
}
c = atoi(s);
if (c < MINHOURS) {
(void) fprintf(stderr,
"cscope: minimum timeout "
"is %d hours\n", MINHOURS);
(void) sleep(3);
c = MINHOURS;
}
noacttime = c * 3600;
break;
}
goto nextarg;
default:
(void) fprintf(stderr,
"%s: unknown option: -%c\n", argv0, *s);
usage:
printusage();
exit(1);
}
}
nextarg: continue;
}
lastarg:
/* save the file arguments */
fileargc = argc;
fileargv = argv;
}
bool Upgrader::juggler(int pf, bool recovery) // for upgrade, backs up target and copies over upgraded file
{ // for recovery, copies over backup
static std::locale loc(std::cout.getloc(), new bpt::time_facet("%Y-%b-%d %H%M%S"));
std::stringstream datestream;
datestream.imbue(loc);
datestream << bpt::second_clock::local_time();
std::string subdir = (pf == BLOCKS)? "Blockchain " : "Client " + datestream.str();
bfs::path backupdir(path(DATA) / "backup" / subdir);
bfs::path sourcedir(path(DATA));
if (recovery)
sourcedir = backupdir;
else sourcedir /= "upgrade";
if (!verifyPath(sourcedir, true)) {return false;}
if ((pf == PROGRAM) && (path(pf) == ""))
{
return false;
}
//printf("Copying %s into %s\n", path(pf).c_str(), backupdir.c_str());
if ((pf == PROGRAM) && (safeProgramDir()))
{
pathvec iteraton = this->fvector(sourcedir);
for (pathvec::const_iterator mongo (iteraton.begin()); mongo != iteraton.end(); ++mongo)
{
bfs::path fongo = *mongo;
if (!bfs::exists(sourcedir / fongo) || bfs::is_directory(sourcedir / fongo))
{
continue;
}
if (bfs::exists(path(pf) / fongo) && !recovery) // i.e. backup files before upgrading
{ if (!verifyPath(backupdir, true)) {return false;}
bfs::copy_file(path(pf) / fongo, backupdir / fongo, bfs::copy_option::overwrite_if_exists);
}
if (bfs::exists(path(pf) / fongo)) // avoid overwriting
{bfs::remove(path(pf) / fongo);}
bfs::copy_file(sourcedir / fongo, path(pf) / fongo); // the actual upgrade/recovery
}
}
else
{
copyDir(path(pf), backupdir, true);
copyDir(sourcedir, path(pf), true);
}
if (!recovery)
{
bfs::remove_all(sourcedir); // include removing directory to avoid having users tempted to store files here
}
return true;
}
int
main(int argc, char **argv)
{
int envc; /* environment argument count */
char **envv; /* environment argument list */
FILE *names; /* name file pointer */
int oldnum; /* number in old cross-ref */
char path[PATHLEN + 1]; /* file path */
FILE *oldrefs; /* old cross-reference file */
char *s;
int c, i;
pid_t pid;
/* save the command name for messages */
argv0 = basename(argv[0]);
/* get the current directory for build() and line-oriented P command */
if (mygetwd(currentdir) == NULL) {
(void) fprintf(stderr,
"cscope: warning: cannot get current directory name\n");
(void) strcpy(currentdir, "<unknown>");
}
/* initialize any view path; (saves time since currendir is known) */
vpinit(currentdir);
dbvpndirs = vpndirs; /* number of directories in database view path */
/* directories (including current) in database view path */
dbvpdirs = vpdirs;
/* the first source directory is the current directory */
sourcedir(".");
/* read the environment */
editor = mygetenv("EDITOR", EDITOR);
editor = mygetenv("VIEWER", editor); /* use viewer if set */
home = getenv("HOME");
shell = mygetenv("SHELL", SHELL);
tmpdir = mygetenv("TMPDIR", TMPDIR);
/* increment nesting depth */
cscopedepth = atoi(mygetenv("CSCOPEDEPTH", "0"));
(void) sprintf(path, "CSCOPEDEPTH=%d", ++cscopedepth);
(void) putenv(stralloc(path));
if ((s = getenv("CSCOPEOPTIONS")) != NULL) {
/* parse the environment option string */
envc = 1;
envv = mymalloc(sizeof (char *));
s = strtok(stralloc(s), OPTSEPS);
while (s != NULL) {
envv = myrealloc(envv, ++envc * sizeof (char *));
envv[envc - 1] = stralloc(s);
s = strtok((char *)NULL, OPTSEPS);
}
/* set the environment options */
options(envc, envv);
}
/* set the command line options */
options(argc, argv);
/* create the temporary file names */
pid = getpid();
(void) sprintf(temp1, "%s/cscope%d.1", tmpdir, (int)pid);
(void) sprintf(temp2, "%s/cscope%d.2", tmpdir, (int)pid);
/* if running in the foreground */
if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
/* cleanup on the interrupt and quit signals */
(void) signal(SIGINT, myexit);
(void) signal(SIGQUIT, myexit);
}
/* cleanup on the hangup signal */
(void) signal(SIGHUP, myexit);
/* if the database path is relative and it can't be created */
if (reffile[0] != '/' && access(".", WRITE) != 0) {
/* if the database may not be up-to-date or can't be read */
(void) sprintf(path, "%s/%s", home, reffile);
if (isuptodate == NO || access(reffile, READ) != 0) {
/* put it in the home directory */
reffile = stralloc(path);
(void) sprintf(path, "%s/%s", home, invname);
invname = stralloc(path);
(void) sprintf(path, "%s/%s", home, invpost);
invpost = stralloc(path);
(void) fprintf(stderr,
"cscope: symbol database will be %s\n", reffile);
}
}
/* if the cross-reference is to be considered up-to-date */
if (isuptodate == YES) {
if ((oldrefs = vpfopen(reffile, "r")) == NULL) {
cannotopen(reffile);
exit(1);
}
/*
* get the crossref file version but skip the current
* directory
*/
if (fscanf(oldrefs, "cscope %d %*s", &fileversion) != 1) {
(void) fprintf(stderr,
"cscope: cannot read file version from file %s\n",
reffile);
exit(1);
}
if (fileversion >= 8) {
/* override these command line options */
compress = YES;
invertedindex = NO;
/* see if there are options in the database */
for (;;) {
/* no -q leaves multiple blanks */
while ((c = getc(oldrefs)) == ' ') {
;
}
if (c != '-') {
(void) ungetc(c, oldrefs);
break;
}
switch (c = getc(oldrefs)) {
case 'c': /* ASCII characters only */
compress = NO;
break;
case 'q': /* quick search */
invertedindex = YES;
(void) fscanf(oldrefs,
"%ld", &totalterms);
break;
case 'T':
/* truncate symbols to 8 characters */
dbtruncated = YES;
truncatesyms = YES;
break;
}
}
initcompress();
/* seek to the trailer */
if (fscanf(oldrefs, "%ld", &traileroffset) != 1) {
(void) fprintf(stderr,
"cscope: cannot read trailer offset from "
"file %s\n", reffile);
exit(1);
}
if (fseek(oldrefs, traileroffset, 0) != 0) {
(void) fprintf(stderr,
"cscope: cannot seek to trailer in "
"file %s\n", reffile);
exit(1);
}
}
/*
* read the view path for use in converting relative paths to
* full paths
*
* note: don't overwrite vp[n]dirs because this can cause
* the wrong database index files to be found in the viewpath
*/
if (fileversion >= 13) {
if (fscanf(oldrefs, "%d", &dbvpndirs) != 1) {
(void) fprintf(stderr,
"cscope: cannot read view path size from "
"file %s\n", reffile);
exit(1);
}
if (dbvpndirs > 0) {
dbvpdirs = mymalloc(
dbvpndirs * sizeof (char *));
for (i = 0; i < dbvpndirs; ++i) {
if (fscanf(oldrefs, "%s", path) != 1) {
(void) fprintf(stderr,
"cscope: cannot read view "
"path from file %s\n",
reffile);
exit(1);
}
dbvpdirs[i] = stralloc(path);
}
}
}
/* skip the source and include directory lists */
skiplist(oldrefs);
skiplist(oldrefs);
/* get the number of source files */
if (fscanf(oldrefs, "%d", &nsrcfiles) != 1) {
(void) fprintf(stderr,
"cscope: cannot read source file size from "
"file %s\n", reffile);
exit(1);
}
/* get the source file list */
srcfiles = mymalloc(nsrcfiles * sizeof (char *));
if (fileversion >= 9) {
/* allocate the string space */
if (fscanf(oldrefs, "%d", &oldnum) != 1) {
(void) fprintf(stderr,
"cscope: cannot read string space size "
"from file %s\n", reffile);
exit(1);
}
s = mymalloc(oldnum);
(void) getc(oldrefs); /* skip the newline */
/* read the strings */
if (fread(s, oldnum, 1, oldrefs) != 1) {
(void) fprintf(stderr,
"cscope: cannot read source file names "
"from file %s\n", reffile);
exit(1);
}
/* change newlines to nulls */
for (i = 0; i < nsrcfiles; ++i) {
srcfiles[i] = s;
for (++s; *s != '\n'; ++s) {
;
}
*s = '\0';
++s;
}
/* if there is a file of source file names */
if (namefile != NULL &&
(names = vpfopen(namefile, "r")) != NULL ||
(names = vpfopen(NAMEFILE, "r")) != NULL) {
/* read any -p option from it */
while (fscanf(names, "%s", path) == 1 &&
*path == '-') {
i = path[1];
s = path + 2; /* for "-Ipath" */
if (*s == '\0') {
/* if "-I path" */
(void) fscanf(names,
"%s", path);
s = path;
}
switch (i) {
case 'p':
/* file path components */
/* to display */
if (*s < '0' || *s > '9') {
(void) fprintf(stderr,
"cscope: -p option "
"in file %s: "
"missing or "
"invalid numeric "
"value\n",
namefile);
}
dispcomponents = atoi(s);
}
}
(void) fclose(names);
}
} else {
for (i = 0; i < nsrcfiles; ++i) {
if (fscanf(oldrefs, "%s", path) != 1) {
(void) fprintf(stderr,
"cscope: cannot read source file "
"name from file %s\n", reffile);
exit(1);
}
srcfiles[i] = stralloc(path);
}
}
(void) fclose(oldrefs);
} else {
/* get source directories from the environment */
if ((s = getenv("SOURCEDIRS")) != NULL) {
sourcedir(s);
}
/* make the source file list */
srcfiles = mymalloc(msrcfiles * sizeof (char *));
makefilelist();
if (nsrcfiles == 0) {
(void) fprintf(stderr,
"cscope: no source files found\n");
printusage();
exit(1);
}
/* get include directories from the environment */
if ((s = getenv("INCLUDEDIRS")) != NULL) {
includedir(s);
}
/* add /usr/include to the #include directory list */
includedir("/usr/include");
/* initialize the C keyword table */
initsymtab();
/* create the file name(s) used for a new cross-reference */
(void) strcpy(path, reffile);
s = basename(path);
*s = '\0';
(void) strcat(path, "n");
++s;
(void) strcpy(s, basename(reffile));
newreffile = stralloc(path);
(void) strcpy(s, basename(invname));
newinvname = stralloc(path);
(void) strcpy(s, basename(invpost));
newinvpost = stralloc(path);
/* build the cross-reference */
initcompress();
build();
if (buildonly == YES) {
exit(0);
}
}
opendatabase();
/*
* removing a database will not release the disk space if a cscope
* process has the file open, so a project may want unattended cscope
* processes to exit overnight, including their subshells and editors
*/
if (noacttime) {
(void) signal(SIGALRM, timedout);
(void) alarm(noacttime);
}
/*
* if using the line oriented user interface so cscope can be a
* subprocess to emacs or samuel
*/
if (linemode == YES) {
if (*pattern != '\0') { /* do any optional search */
if (search() == YES) {
while ((c = getc(refsfound)) != EOF) {
(void) putchar(c);
}
}
}
if (onesearch == YES) {
myexit(0);
}
for (;;) {
char buf[PATLEN + 2];
if (noacttime) {
(void) alarm(noacttime);
}
(void) printf(">> ");
(void) fflush(stdout);
if (fgets(buf, sizeof (buf), stdin) == NULL) {
myexit(0);
}
/* remove any trailing newline character */
if (*(s = buf + strlen(buf) - 1) == '\n') {
*s = '\0';
}
switch (*buf) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': /* samuel only */
field = *buf - '0';
(void) strcpy(pattern, buf + 1);
(void) search();
(void) printf("cscope: %d lines\n", totallines);
while ((c = getc(refsfound)) != EOF) {
(void) putchar(c);
}
break;
case 'c': /* toggle caseless mode */
case ctrl('C'):
if (caseless == NO) {
caseless = YES;
} else {
caseless = NO;
}
egrepcaseless(caseless);
break;
case 'r': /* rebuild database cscope style */
case ctrl('R'):
freefilelist();
makefilelist();
/* FALLTHROUGH */
case 'R': /* rebuild database samuel style */
rebuild();
(void) putchar('\n');
break;
case 'C': /* clear file names */
freefilelist();
(void) putchar('\n');
break;
case 'F': /* add a file name */
(void) strcpy(path, buf + 1);
if (infilelist(path) == NO &&
vpaccess(path, READ) == 0) {
addsrcfile(path);
}
(void) putchar('\n');
break;
case 'P': /* print the path to the files */
if (prependpath != NULL) {
(void) puts(prependpath);
} else {
(void) puts(currentdir);
}
break;
case 'q': /* quit */
case ctrl('D'):
case ctrl('Z'):
myexit(0);
default:
(void) fprintf(stderr,
"cscope: unknown command '%s'\n", buf);
break;
}
}
/* NOTREACHED */
}
/* pause before clearing the screen if there have been error messages */
if (errorsfound == YES) {
errorsfound = NO;
askforreturn();
}
(void) signal(SIGINT, SIG_IGN); /* ignore interrupts */
(void) signal(SIGPIPE, SIG_IGN); /* | command can cause pipe signal */
/* initialize the curses display package */
(void) initscr(); /* initialize the screen */
setfield(); /* set the initial cursor position */
entercurses();
(void) keypad(stdscr, TRUE); /* enable the keypad */
dispinit(); /* initialize display parameters */
putmsg(""); /* clear any build progress message */
display(); /* display the version number and input fields */
/* do any optional search */
if (*pattern != '\0') {
atfield(); /* move to the input field */
(void) command(ctrl('A')); /* search */
display(); /* update the display */
} else if (reflines != NULL) {
/* read any symbol reference lines file */
(void) readrefs(reflines);
display(); /* update the display */
}
for (;;) {
if (noacttime) {
(void) alarm(noacttime);
}
atfield(); /* move to the input field */
/* exit if the quit command is entered */
if ((c = mygetch()) == EOF || c == ctrl('D') ||
c == ctrl('Z')) {
break;
}
/* execute the commmand, updating the display if necessary */
if (command(c) == YES) {
display();
}
}
/* cleanup and exit */
myexit(0);
/* NOTREACHED */
return (0);
}
