More stuff...
This commit is contained in:
79
more.c
79
more.c
@@ -19,27 +19,48 @@
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
/* Turning this off makes things a bit smaller (and less pretty) */
|
||||
#define BB_MORE_TERM
|
||||
|
||||
|
||||
|
||||
#include "internal.h"
|
||||
#include <stdio.h>
|
||||
#include <signal.h>
|
||||
|
||||
|
||||
const char more_usage[] = "[file ...]";
|
||||
|
||||
//#define ERASE_STUFF
|
||||
|
||||
#ifdef BB_MORE_TERM
|
||||
#include <termios.h>
|
||||
#include <signal.h>
|
||||
#include <sys/ioctl.h>
|
||||
|
||||
FILE *cin;
|
||||
struct termios initial_settings, new_settings;
|
||||
|
||||
void gotsig(int sig) {
|
||||
tcsetattr(fileno(cin), TCSANOW, &initial_settings);
|
||||
exit( TRUE);
|
||||
}
|
||||
#endif
|
||||
|
||||
extern int more_main(int argc, char **argv)
|
||||
{
|
||||
int c, lines=0;
|
||||
int c, lines=0, input;
|
||||
int next_page=0, rows = 24;
|
||||
#ifdef ERASE_STUFF
|
||||
int cols=79;
|
||||
#ifdef BB_MORE_TERM
|
||||
int cols;
|
||||
struct winsize win;
|
||||
#endif
|
||||
struct stat st;
|
||||
FILE *file = stdin;
|
||||
|
||||
if ( strcmp(*argv,"--help")==0 || strcmp(*argv,"-h")==0 ) {
|
||||
fprintf(stderr, "Usage: %s %s", *argv, more_usage);
|
||||
return(FALSE);
|
||||
exit(FALSE);
|
||||
}
|
||||
argc--;
|
||||
argv++;
|
||||
@@ -48,23 +69,47 @@ extern int more_main(int argc, char **argv)
|
||||
file = fopen(*argv, "r");
|
||||
if (file == NULL) {
|
||||
perror("Can't open file");
|
||||
return(FALSE);
|
||||
exit(FALSE);
|
||||
}
|
||||
fstat(fileno(file), &st);
|
||||
fprintf(stderr, "hi\n");
|
||||
|
||||
#ifdef BB_MORE_TERM
|
||||
cin = fopen("/dev/tty", "r");
|
||||
tcgetattr(fileno(cin),&initial_settings);
|
||||
new_settings = initial_settings;
|
||||
new_settings.c_lflag &= ~ICANON;
|
||||
new_settings.c_lflag &= ~ECHO;
|
||||
tcsetattr(fileno(cin), TCSANOW, &new_settings);
|
||||
|
||||
(void) signal(SIGINT, gotsig);
|
||||
|
||||
ioctl(STDOUT_FILENO, TIOCGWINSZ, &win);
|
||||
if (win.ws_row > 4) rows = win.ws_row - 2;
|
||||
if (win.ws_col > 0) cols = win.ws_col - 1;
|
||||
|
||||
|
||||
#endif
|
||||
while ((c = getc(file)) != EOF) {
|
||||
if ( next_page ) {
|
||||
int len=0;
|
||||
next_page = 0;
|
||||
lines=0;
|
||||
len = fprintf(stdout, "--More-- (%d%% of %ld bytes)",
|
||||
len = fprintf(stdout, "--More-- (%d%% of %ld bytes)%s",
|
||||
(int) (100*( (double) ftell(file) / (double) st.st_size )),
|
||||
st.st_size);
|
||||
st.st_size,
|
||||
#ifdef BB_MORE_TERM
|
||||
""
|
||||
#else
|
||||
"\n"
|
||||
#endif
|
||||
);
|
||||
|
||||
fflush(stdout);
|
||||
getc( stdin);
|
||||
#ifdef ERASE_STUFF
|
||||
/* Try to erase the "More" message */
|
||||
input = getc( stdin);
|
||||
|
||||
#ifdef BB_MORE_TERM
|
||||
/* Erase the "More" message */
|
||||
while(len-- > 0)
|
||||
putc('\b', stdout);
|
||||
while(len++ < cols)
|
||||
@@ -73,7 +118,12 @@ extern int more_main(int argc, char **argv)
|
||||
putc('\b', stdout);
|
||||
fflush(stdout);
|
||||
#endif
|
||||
|
||||
}
|
||||
if (input=='q')
|
||||
goto end;
|
||||
if (input==' ' && c == '\n' )
|
||||
next_page = 1;
|
||||
if ( c == '\n' && ++lines == (rows + 1) )
|
||||
next_page = 1;
|
||||
putc(c, stdout);
|
||||
@@ -84,7 +134,10 @@ extern int more_main(int argc, char **argv)
|
||||
argc--;
|
||||
argv++;
|
||||
}
|
||||
return(TRUE);
|
||||
end:
|
||||
#ifdef BB_MORE_TERM
|
||||
gotsig(0);
|
||||
#endif
|
||||
exit(TRUE);
|
||||
}
|
||||
|
||||
|
||||
|
Reference in New Issue
Block a user