int main(int argc, char *argv[]) {
FILE *fp;
int needclose;
int ttyfd;
int line;
if (isatty(STDIN_FILENO) == 0) {
fp = stdin;
needclose = 0;
} else {
if (argc <= 1) {
printf("Usage: mymore [file]\n");
return 0;
}
if ((fp = fopen(argv[1], "r")) == NULL) {
perror("fopen");
return 1;
}
needclose = 1;
}
// cat
if (isatty(STDOUT_FILENO) == 0) {
cat(fp);
// more
} else {
if (termcap() == -1) {
fprintf(stderr, "failed to load termcap.");
}
if ((tty = open("/dev/tty", O_RDONLY)) == -1) {
perror("open");
// return;
tty = STDERR_FILENO;
}
raw_mode(1);
more(fp);
raw_mode(0);
if (tty != STDERR_FILENO) {
close(tty);
}
}
if (needclose) {
fclose(fp);
}
return 0;
}
void log_open( log_t* log, const char* name ) {
static struct {
const char* name;
int fd;
} special[] = {
{ "stdout", 1 },
{ "-", 1 },
{ "stderr", 2 }
};
int i, fd = -1;
term_t term;
log->file = NULL;
log->isatty = false;
term.lines = 1;
term.columns = 132;
term.colors = 2;
term.unicode = true;
for( i=0; i<N_ELEM(special); i++ ) {
if( strcmp(special[i].name, name) == 0 ) {
fd = special[i].fd;
break;
}
}
if( fd == -1 ) {
fd = open(name, O_WRONLY);
}
if( fd >= 0 ) {
log->file = fdopen(fd, "w+");
log->isatty = isatty(fd);
}
if( log->isatty && termcap( &term ) == 0 ) {
log->lines = term.lines;
log->columns = term.columns;
log->colors = term.colors;
log->unicode = term.unicode;
}
log_fmt( log, "colors: %hi, lines: %hi, columns: %i\n", log->colors, log->lines, log->columns );
}