More stuff...

This commit is contained in:
Eric Andersen
1999-10-12 22:26:06 +00:00
parent 2ce1edcf54
commit 3cf52d1958
23 changed files with 2740 additions and 2938 deletions

79
more.c
View File

@@ -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);
}