/* Use a visual editor ($EDITOR,$VISUAL, or vi) to edit a crontab,
* then copy the new one into CRONDIR
*/
void
visual(struct passwd *pwd)
{
char ans[20];
char commandline[80];
char *editor;
char *yn;
struct stat st;
int save_euid = geteuid();
xchdir(pwd->pw_dir ? pwd->pw_dir : "/tmp");
strcpy(vitemp, "/tmp/.crontab.XXXXXX");
seteuid(getuid());
mktemp(vitemp);
atexit(nomorevitemp);
if ( ((editor = getenv("EDITOR")) == 0) && ((editor = getenv("VISUAL")) == 0) )
editor="vi";
if ( access(editor, X_OK) == 0 )
fatal("%s: %s", editor, strerror(errno));
sprintf(commandline, "crontab -l > %s", vitemp);
system(commandline);
if ( (stat(vitemp, &st) != -1) && (st.st_size == 0) )
unlink(vitemp);
sprintf(commandline, "%s %s", editor, vitemp);
while (1) {
if ( system(commandline) == -1 )
fatal("running %s: %s", editor, strerror(errno));
seteuid(save_euid);
if ( (stat(vitemp, &st) == -1) || (st.st_size == 0)
|| newcrontab(vitemp, pwd->pw_name))
exit(0);
seteuid(getuid());
do {
fprintf(stderr, "Do you want to retry the same edit? ");
fgets(ans, sizeof ans, stdin);
yn = firstnonblank(ans);
*yn = toupper(*yn);
if (*yn == 'N')
exit(1);
if (*yn != 'Y')
fprintf(stderr, "(Y)es or (N)o; ");
} while (*yn != 'Y');
}
}
int main(int argc, char *argv[])
{
int iarg, ifld, idata, n;
int lcount;
FILE *fpin;
char *fnin, buf[256], xtrac;
double Scale;
double Ttheta, Intens;
Scale = 1.;
fnin = NULL;
fpin = NULL;
for (iarg = 1; iarg < argc; iarg++)
{
if (argv[iarg][0] == '-') {
if (str_ibegin(argv[iarg], "-Scale=") == 0) {
n = sscanf(argv[iarg] + 7, "%lf %c", &Scale, &xtrac);
if (n != 1) usage();
}
else
usage();
}
else {
if (fnin) usage();
fnin = argv[iarg];
}
}
if (fnin == NULL)
fpin = stdin;
else
{
fpin = fopen(fnin, "r");
if (fpin == NULL)
{
fprintf(stderr, "%s: Can't open %s\n", progn, fnin);
exit(1);
}
}
ifld = 0;
idata = 0;
lcount = 0;
while (fgetline(fpin, buf, sizeof buf))
{
lcount++;
if (firstnonblank(buf) != '#')
{
n = sscanf(buf, "%lf%lf", &Ttheta, &Intens);
if (n != 2)
IllegalLine(fnin, lcount);
Intens *= Scale;
if (Intens < 1.) Intens = 1.;
if (ifld == 8)
{
putc('\n', stdout);
ifld = 0;
}
if (ifld == 0)
putc(' ', stdout);
fprintf(stdout, "%8.0f", Intens);
ifld++;
idata++;
if (idata == 4095) break;
}
}
if (fpin != stdin)
fclose(fpin);
if (ifld)
putc('\n', stdout);
fprintf(stdout, " %8.0f\n", 0.);
exit(0);
return 0;
}
