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This commit is contained in:
Eric Andersen 1999-10-19 22:26:25 +00:00
parent e674eb78e4
commit f5a3838e2f
5 changed files with 88 additions and 326 deletions
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62
util-linux/more.c
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@ -27,22 +27,33 @@
#include "internal.h"
#include <stdio.h>
#include <fcntl.h>
#include <signal.h>
static const char more_usage[] = "[file ...]";
/* ED: sparc termios is broken: revert back to old termio handling. */
#ifdef BB_MORE_TERM
#include <termios.h>
#include <signal.h>
#include <sys/ioctl.h>
#if defined (__sparc__)
# define USE_OLD_TERMIO
# include <termio.h>
# include <sys/ioctl.h>
# define termios termio
# define stty(fd,argp) ioctl(fd,TCSETAF,argp)
#else
# include <termios.h>
# define stty(fd,argp) tcsetattr(fd,TCSANOW,argp)
#endif
FILE *cin;
struct termios initial_settings, new_settings;
void gotsig(int sig) {
tcsetattr(fileno(cin), TCSANOW, &initial_settings);
stty(fileno(cin), &initial_settings);
exit( TRUE);
}
#endif
@ -50,13 +61,9 @@ static const char more_usage[] = "[file ...]";
extern int more_main(int argc, char **argv)
{
int c, lines=0, input=0;
int next_page=0, rows = 24;
#ifdef BB_MORE_TERM
int cols=79;
struct winsize win;
#endif
int next_page=0;
struct stat st;
FILE *file = stdin;
FILE *file;
if ( strcmp(*argv,"--help")==0 || strcmp(*argv,"-h")==0 ) {
usage (more_usage);
@ -64,39 +71,48 @@ extern int more_main(int argc, char **argv)
argc--;
argv++;
while (argc-- > 0) {
while (argc >= 0) {
if (argc==0) {
file = stdin;
}
else
file = fopen(*argv, "r");
if (file == NULL) {
perror("Can't open file");
exit(FALSE);
}
fstat(fileno(file), &st);
fprintf(stderr, "hi\n");
#ifdef BB_MORE_TERM
cin = fopen("/dev/tty", "r");
if (!cin)
cin = fopen("/dev/console", "r");
#ifdef USE_OLD_TERMIO
ioctl(fileno(cin),TCGETA,&initial_settings);
#else
tcgetattr(fileno(cin),&initial_settings);
#endif
new_settings = initial_settings;
new_settings.c_lflag &= ~ICANON;
new_settings.c_lflag &= ~ECHO;
tcsetattr(fileno(cin), TCSANOW, &new_settings);
stty(fileno(cin), &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)%s",
len = fprintf(stdout, "--More-- ");
if (file != stdin) {
len += fprintf(stdout, "(%d%% of %ld bytes)",
(int) (100*( (double) ftell(file) / (double) st.st_size )),
st.st_size,
st.st_size);
}
len += fprintf(stdout, "%s",
#ifdef BB_MORE_TERM
""
#else
@ -105,13 +121,13 @@ extern int more_main(int argc, char **argv)
);
fflush(stdout);
input = getc( stdin);
input = getc( cin);
#ifdef BB_MORE_TERM
/* Erase the "More" message */
while(len-- > 0)
putc('\b', stdout);
while(len++ < cols)
while(len++ < 79)
putc(' ', stdout);
while(len-- > 0)
putc('\b', stdout);
@ -123,7 +139,7 @@ extern int more_main(int argc, char **argv)
goto end;
if (input==' ' && c == '\n' )
next_page = 1;
if ( c == '\n' && ++lines == (rows + 1) )
if ( c == '\n' && ++lines == 24 )
next_page = 1;
putc(c, stdout);
}