less: stop dying on bad regexps, quietly pipe data w/o
user interaction if stdout is not a tty. size optimizations
This commit is contained in:
Denis Vlasenko
parent
bf66fbc8e2
commit
e865e81d34
|
|
@ -14,9 +14,12 @@
|
|||
|
||||
int bb_cat(char **argv)
|
||||
{
|
||||
static char *const argv_dash[] = { "-", NULL };
|
||||
FILE *f;
|
||||
int retval = EXIT_SUCCESS;
|
||||
|
||||
if (!*argv) argv = (char**) &argv_dash;
|
||||
|
||||
do {
|
||||
f = fopen_or_warn_stdin(*argv);
|
||||
if (f) {
|
||||
|
|
@ -35,11 +38,6 @@ int bb_cat(char **argv)
|
|||
int cat_main(int argc, char **argv)
|
||||
{
|
||||
getopt32(argc, argv, "u");
|
||||
|
||||
argv += optind;
|
||||
if (!*argv) {
|
||||
*--argv = "-";
|
||||
}
|
||||
|
||||
return bb_cat(argv);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@
|
|||
#define __BB_REGEX__
|
||||
|
||||
#include <regex.h>
|
||||
extern void xregcomp(regex_t *preg, const char *regex, int cflags);
|
||||
char* regcomp_or_errmsg(regex_t *preg, const char *regex, int cflags);
|
||||
void xregcomp(regex_t *preg, const char *regex, int cflags);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -11,13 +11,22 @@
|
|||
#include "libbb.h"
|
||||
#include "xregex.h"
|
||||
|
||||
void xregcomp(regex_t *preg, const char *regex, int cflags)
|
||||
char* regcomp_or_errmsg(regex_t *preg, const char *regex, int cflags)
|
||||
{
|
||||
int ret = regcomp(preg, regex, cflags);
|
||||
if (ret) {
|
||||
int errmsgsz = regerror(ret, preg, NULL, 0);
|
||||
char *errmsg = xmalloc(errmsgsz);
|
||||
regerror(ret, preg, errmsg, errmsgsz);
|
||||
return errmsg;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void xregcomp(regex_t *preg, const char *regex, int cflags)
|
||||
{
|
||||
char *errmsg = regcomp_or_errmsg(preg, regex, cflags);
|
||||
if (errmsg) {
|
||||
bb_error_msg_and_die("xregcomp: %s", errmsg);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
262
miscutils/less.c
262
miscutils/less.c
|
|
@ -50,9 +50,10 @@
|
|||
/* The escape codes for highlighted and normal text */
|
||||
#define HIGHLIGHT "\033[7m"
|
||||
#define NORMAL "\033[0m"
|
||||
|
||||
/* The escape code to clear the screen */
|
||||
#define CLEAR "\033[H\033[J"
|
||||
/* The escape code to clear to end of line */
|
||||
#define CLEAR_2_EOL "\033[K"
|
||||
|
||||
#define MAXLINES CONFIG_FEATURE_LESS_MAXLINES
|
||||
|
||||
|
|
@ -121,9 +122,9 @@ static void tless_exit(int code)
|
|||
static int tless_getch(void)
|
||||
{
|
||||
int input;
|
||||
/* Set terminal input to raw mode (taken from vi.c) */
|
||||
/* Set terminal input to raw mode (taken from vi.c) */
|
||||
tcsetattr(fileno(inp), TCSANOW, &term_vi);
|
||||
|
||||
again:
|
||||
input = getc(inp);
|
||||
/* Detect escape sequences (i.e. arrow keys) and handle
|
||||
them accordingly */
|
||||
|
|
@ -136,27 +137,56 @@ static int tless_getch(void)
|
|||
i = input - REAL_KEY_UP;
|
||||
if (i < 4)
|
||||
return 20 + i;
|
||||
else if ((i = input - REAL_PAGE_UP) < 4)
|
||||
i = input - REAL_PAGE_UP;
|
||||
if (i < 4)
|
||||
return 24 + i;
|
||||
else
|
||||
return 0; /* ?? */
|
||||
return 0; /* ?? */
|
||||
}
|
||||
/* The input is a normal ASCII value */
|
||||
/* Reject almost all control chars */
|
||||
if (input < ' ' && input != 0x0d && input != 8) goto again;
|
||||
set_tty_cooked();
|
||||
return input;
|
||||
}
|
||||
|
||||
static char* tless_gets(void)
|
||||
{
|
||||
int c;
|
||||
int i = 0;
|
||||
char *result = xzalloc(1);
|
||||
while (1) {
|
||||
c = tless_getch();
|
||||
if (c == 0x0d)
|
||||
return result;
|
||||
if (c == 0x7f) c = 8;
|
||||
if (c == 8 && i) {
|
||||
printf("\x8 \x8");
|
||||
i--;
|
||||
}
|
||||
if (c < ' ')
|
||||
continue;
|
||||
putchar(c);
|
||||
result[i++] = c;
|
||||
result = xrealloc(result, i+1);
|
||||
result[i] = '\0';
|
||||
if (i >= width-1) return result;
|
||||
}
|
||||
}
|
||||
|
||||
/* Move the cursor to a position (x,y), where (0,0) is the
|
||||
top-left corner of the console */
|
||||
static void move_cursor(int x, int y)
|
||||
static void move_cursor(int line, int row)
|
||||
{
|
||||
printf("\033[%i;%iH", x, y);
|
||||
printf("\033[%u;%uH", line, row);
|
||||
}
|
||||
|
||||
static void clear_line(void)
|
||||
{
|
||||
move_cursor(height, 0);
|
||||
printf("\033[K");
|
||||
printf("\033[%u;0H" CLEAR_2_EOL, height);
|
||||
}
|
||||
|
||||
static void print_hilite(const char *str)
|
||||
{
|
||||
printf(HIGHLIGHT"%s"NORMAL, str);
|
||||
}
|
||||
|
||||
static void data_readlines(void)
|
||||
|
|
@ -235,26 +265,26 @@ static void m_status_print(void)
|
|||
|
||||
if (!line_pos) {
|
||||
if (num_files > 1) {
|
||||
printf("%s%s %s%i%s%i%s%i-%i/%i ", HIGHLIGHT,
|
||||
filename, "(file ", current_file, " of ", num_files, ") lines ",
|
||||
printf(HIGHLIGHT"%s (file %i of %i) lines %i-%i/%i ",
|
||||
filename, current_file, num_files,
|
||||
line_pos + 1, line_pos + height - 1, num_flines + 1);
|
||||
} else {
|
||||
printf("%s%s lines %i-%i/%i ", HIGHLIGHT,
|
||||
printf(HIGHLIGHT"%s lines %i-%i/%i ",
|
||||
filename, line_pos + 1, line_pos + height - 1,
|
||||
num_flines + 1);
|
||||
}
|
||||
} else {
|
||||
printf("%s %s lines %i-%i/%i ", HIGHLIGHT, filename,
|
||||
printf(HIGHLIGHT" %s lines %i-%i/%i ", filename,
|
||||
line_pos + 1, line_pos + height - 1, num_flines + 1);
|
||||
}
|
||||
|
||||
if (line_pos >= num_flines - height + 2) {
|
||||
printf("(END) %s", NORMAL);
|
||||
if ((num_files > 1) && (current_file != num_files))
|
||||
printf("%s- Next: %s%s", HIGHLIGHT, files[current_file], NORMAL);
|
||||
printf("(END) "NORMAL);
|
||||
if (num_files > 1 && current_file != num_files)
|
||||
printf(HIGHLIGHT"- Next: %s"NORMAL, files[current_file]);
|
||||
} else {
|
||||
percentage = calc_percent();
|
||||
printf("%i%% %s", percentage, NORMAL);
|
||||
printf("%i%% "NORMAL, percentage);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -265,11 +295,11 @@ static void medium_status_print(void)
|
|||
percentage = calc_percent();
|
||||
|
||||
if (!line_pos)
|
||||
printf("%s%s %i%%%s", HIGHLIGHT, filename, percentage, NORMAL);
|
||||
printf(HIGHLIGHT"%s %i%%"NORMAL, filename, percentage);
|
||||
else if (line_pos == num_flines - height + 2)
|
||||
printf("%s(END)%s", HIGHLIGHT, NORMAL);
|
||||
print_hilite("(END)");
|
||||
else
|
||||
printf("%s%i%%%s", HIGHLIGHT, percentage, NORMAL);
|
||||
printf(HIGHLIGHT"%i%%"NORMAL, percentage);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
@ -286,14 +316,14 @@ static void status_print(void)
|
|||
else {
|
||||
#endif
|
||||
if (!line_pos) {
|
||||
printf("%s%s %s", HIGHLIGHT, filename, NORMAL);
|
||||
print_hilite(filename);
|
||||
if (num_files > 1)
|
||||
printf("%s%s%i%s%i%s%s", HIGHLIGHT, "(file ",
|
||||
current_file, " of ", num_files, ")", NORMAL);
|
||||
printf(HIGHLIGHT"(file %i of %i)"NORMAL,
|
||||
current_file, num_files);
|
||||
} else if (line_pos == num_flines - height + 2) {
|
||||
printf("%s%s %s", HIGHLIGHT, "(END)", NORMAL);
|
||||
if ((num_files > 1) && (current_file != num_files))
|
||||
printf("%s%s%s%s", HIGHLIGHT, "- Next: ", files[current_file], NORMAL);
|
||||
print_hilite("(END) ");
|
||||
if (num_files > 1 && current_file != num_files)
|
||||
printf(HIGHLIGHT"- Next: %s"NORMAL, files[current_file]);
|
||||
} else {
|
||||
putchar(':');
|
||||
}
|
||||
|
|
@ -336,13 +366,6 @@ static void print_found(const char *line)
|
|||
memset(p, '.', n);
|
||||
p += n;
|
||||
str += n;
|
||||
/*
|
||||
do {
|
||||
if (*str == '\x7f') { *p++ = '?'; str++; }
|
||||
else if (*str == '\x9b') { *p++ = '{'; str++; }
|
||||
else *p++ = ctrlconv[(unsigned char)*str++];
|
||||
} while (--n);
|
||||
*/
|
||||
}
|
||||
strcpy(p, str);
|
||||
|
||||
|
|
@ -358,13 +381,11 @@ static void print_found(const char *line)
|
|||
goto start;
|
||||
|
||||
while (match_status == 0) {
|
||||
char *new = xasprintf("%s" "%.*s" "%s" "%.*s" "%s",
|
||||
char *new = xasprintf("%s%.*s"HIGHLIGHT"%.*s"NORMAL,
|
||||
growline ? : "",
|
||||
match_structs.rm_so, str,
|
||||
HIGHLIGHT,
|
||||
match_structs.rm_eo - match_structs.rm_so,
|
||||
str + match_structs.rm_so,
|
||||
NORMAL);
|
||||
str + match_structs.rm_so);
|
||||
free(growline); growline = new;
|
||||
str += match_structs.rm_eo;
|
||||
line += match_structs.rm_eo;
|
||||
|
|
@ -375,10 +396,10 @@ static void print_found(const char *line)
|
|||
}
|
||||
|
||||
if (!growline) {
|
||||
puts(str);
|
||||
printf("%s"CLEAR_2_EOL"\n", str);
|
||||
return;
|
||||
}
|
||||
printf("%s%s\n", growline, str);
|
||||
printf("%s%s"CLEAR_2_EOL"\n", growline, str);
|
||||
free(growline);
|
||||
}
|
||||
|
||||
|
|
@ -398,14 +419,20 @@ static void print_ascii(const char *str)
|
|||
n = strspn(str, controls);
|
||||
p = buf;
|
||||
do {
|
||||
if (*str == '\x7f') { *p++ = '?'; str++; }
|
||||
else if (*str == '\x9b') { *p++ = '{'; str++; }
|
||||
else *p++ = ctrlconv[(unsigned char)*str++];
|
||||
if (*str == 0x7f)
|
||||
*p++ = '?';
|
||||
else if (*str == 0x9b)
|
||||
/* VT100's CSI, aka Meta-ESC. Who's inventor? */
|
||||
/* I want to know who committed this sin */
|
||||
*p++ = '{';
|
||||
else
|
||||
*p++ = ctrlconv[(unsigned char)*str];
|
||||
str++;
|
||||
} while (--n);
|
||||
*p = '\0';
|
||||
printf("%s%s%s", HIGHLIGHT, buf, NORMAL);
|
||||
print_hilite(buf);
|
||||
}
|
||||
puts(str);
|
||||
printf("%s"CLEAR_2_EOL"\n", str);
|
||||
}
|
||||
|
||||
/* Print the buffer */
|
||||
|
|
@ -413,12 +440,13 @@ static void buffer_print(void)
|
|||
{
|
||||
int i;
|
||||
|
||||
printf("%s", CLEAR);
|
||||
move_cursor(0, 0);
|
||||
for (i = 0; i < height - 1; i++)
|
||||
if (pattern_valid)
|
||||
print_found(buffer[i]);
|
||||
else
|
||||
print_ascii(buffer[i]);
|
||||
fputs(CLEAR_2_EOL, stdout); /* clears status line */
|
||||
status_print();
|
||||
}
|
||||
|
||||
|
|
@ -427,11 +455,6 @@ static void buffer_init(void)
|
|||
{
|
||||
int i;
|
||||
|
||||
if (!buffer) {
|
||||
/* malloc the number of lines needed for the buffer */
|
||||
buffer = xmalloc(height * sizeof(char *));
|
||||
}
|
||||
|
||||
/* Fill the buffer until the end of the file or the
|
||||
end of the buffer is reached */
|
||||
for (i = 0; i < height - 1 && i <= num_flines; i++) {
|
||||
|
|
@ -491,18 +514,19 @@ static void buffer_line(int linenum)
|
|||
|
||||
if (linenum < 0 || linenum > num_flines) {
|
||||
clear_line();
|
||||
printf("%s%s%i%s", HIGHLIGHT, "Cannot seek to line number ", linenum + 1, NORMAL);
|
||||
} else {
|
||||
for (i = 0; i < height - 1; i++) {
|
||||
if (linenum + i <= num_flines)
|
||||
buffer[i] = flines[linenum + i];
|
||||
else {
|
||||
buffer[i] = empty_line_marker;
|
||||
}
|
||||
}
|
||||
line_pos = linenum;
|
||||
buffer_print();
|
||||
printf(HIGHLIGHT"%s%u"NORMAL, "Cannot seek to line ", linenum + 1);
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = 0; i < height - 1; i++) {
|
||||
if (linenum + i <= num_flines)
|
||||
buffer[i] = flines[linenum + i];
|
||||
else {
|
||||
buffer[i] = empty_line_marker;
|
||||
}
|
||||
}
|
||||
line_pos = linenum;
|
||||
buffer_print();
|
||||
}
|
||||
|
||||
/* Reinitialise everything for a new file - free the memory and start over */
|
||||
|
|
@ -524,10 +548,13 @@ static void examine_file(void)
|
|||
clear_line();
|
||||
printf("Examine: ");
|
||||
free(filename);
|
||||
filename = xmalloc_getline(inp);
|
||||
filename = tless_gets();
|
||||
/* files start by = argv. why we assume that argv is infinitely long??
|
||||
files[num_files] = filename;
|
||||
current_file = num_files + 1;
|
||||
num_files++;
|
||||
num_files++; */
|
||||
files[0] = filename;
|
||||
current_file = 1;
|
||||
reinitialise();
|
||||
}
|
||||
|
||||
|
|
@ -545,7 +572,7 @@ static void change_file(int direction)
|
|||
reinitialise();
|
||||
} else {
|
||||
clear_line();
|
||||
printf("%s%s%s", HIGHLIGHT, (direction > 0) ? "No next file" : "No previous file", NORMAL);
|
||||
print_hilite((direction > 0) ? "No next file" : "No previous file");
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -628,7 +655,7 @@ static void goto_match(int match)
|
|||
|
||||
static void regex_process(void)
|
||||
{
|
||||
char *uncomp_regex;
|
||||
char *uncomp_regex, *err;
|
||||
|
||||
/* Reset variables */
|
||||
match_lines = xrealloc(match_lines, sizeof(int));
|
||||
|
|
@ -643,16 +670,22 @@ static void regex_process(void)
|
|||
/* Get the uncompiled regular expression from the user */
|
||||
clear_line();
|
||||
putchar((option_mask32 & LESS_STATE_MATCH_BACKWARDS) ? '?' : '/');
|
||||
uncomp_regex = xmalloc_getline(inp);
|
||||
if (!uncomp_regex || !uncomp_regex[0]) {
|
||||
uncomp_regex = tless_gets();
|
||||
if (/*!uncomp_regex ||*/ !uncomp_regex[0]) {
|
||||
free(uncomp_regex);
|
||||
buffer_print();
|
||||
return;
|
||||
}
|
||||
|
||||
/* Compile the regex and check for errors */
|
||||
xregcomp(&pattern, uncomp_regex, 0);
|
||||
err = regcomp_or_errmsg(&pattern, uncomp_regex, 0);
|
||||
free(uncomp_regex);
|
||||
if (err) {
|
||||
clear_line();
|
||||
fputs(err, stdout);
|
||||
free(err);
|
||||
return;
|
||||
}
|
||||
pattern_valid = 1;
|
||||
|
||||
/* Run the regex on each line of the current file */
|
||||
|
|
@ -799,7 +832,7 @@ static void show_flag_status(void)
|
|||
}
|
||||
|
||||
clear_line();
|
||||
printf("%s%s%i%s", HIGHLIGHT, "The status of the flag is: ", flag_val != 0, NORMAL);
|
||||
printf(HIGHLIGHT"%s%u"NORMAL, "The status of the flag is: ", flag_val != 0);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
@ -820,12 +853,12 @@ static void save_input_to_file(void)
|
|||
|
||||
clear_line();
|
||||
printf("Log file: ");
|
||||
current_line = xmalloc_getline(inp);
|
||||
current_line = tless_gets();
|
||||
if (strlen(current_line) > 0) {
|
||||
fp = fopen(current_line, "w");
|
||||
free(current_line);
|
||||
if (!fp) {
|
||||
printf("%s%s%s", HIGHLIGHT, "Error opening log file", NORMAL);
|
||||
print_hilite("Error opening log file");
|
||||
return;
|
||||
}
|
||||
for (i = 0; i < num_flines; i++)
|
||||
|
|
@ -835,7 +868,7 @@ static void save_input_to_file(void)
|
|||
return;
|
||||
}
|
||||
free(current_line);
|
||||
printf("%s%s%s", HIGHLIGHT, "No log file", NORMAL);
|
||||
print_hilite("No log file");
|
||||
}
|
||||
|
||||
#if ENABLE_FEATURE_LESS_MARKS
|
||||
|
|
@ -858,7 +891,7 @@ static void add_mark(void)
|
|||
num_marks++;
|
||||
} else {
|
||||
clear_line();
|
||||
printf("%s%s%s", HIGHLIGHT, "Invalid mark letter", NORMAL);
|
||||
print_hilite("Invalid mark letter");
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -878,10 +911,10 @@ static void goto_mark(void)
|
|||
buffer_line(mark_lines[i][1]);
|
||||
break;
|
||||
}
|
||||
if ((num_marks == 14) && (letter != mark_lines[14][0]))
|
||||
printf("%s%s%s", HIGHLIGHT, "Mark not set", NORMAL);
|
||||
if (num_marks == 14 && letter != mark_lines[14][0])
|
||||
print_hilite("Mark not set");
|
||||
} else
|
||||
printf("%s%s%s", HIGHLIGHT, "Invalid mark letter", NORMAL);
|
||||
print_hilite("Invalid mark letter");
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
@ -911,21 +944,19 @@ static void match_right_bracket(char bracket)
|
|||
|
||||
clear_line();
|
||||
|
||||
if (strchr(flines[line_pos], bracket) == NULL)
|
||||
printf("%s%s%s", HIGHLIGHT, "No bracket in top line", NORMAL);
|
||||
else {
|
||||
for (i = line_pos + 1; i < num_flines; i++) {
|
||||
if (strchr(flines[i], opp_bracket(bracket)) != NULL) {
|
||||
bracket_line = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (bracket_line == -1)
|
||||
printf("%s%s%s", HIGHLIGHT, "No matching bracket found", NORMAL);
|
||||
|
||||
buffer_line(bracket_line - height + 2);
|
||||
if (strchr(flines[line_pos], bracket) == NULL) {
|
||||
print_hilite("No bracket in top line");
|
||||
return;
|
||||
}
|
||||
for (i = line_pos + 1; i < num_flines; i++) {
|
||||
if (strchr(flines[i], opp_bracket(bracket)) != NULL) {
|
||||
bracket_line = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (bracket_line == -1)
|
||||
print_hilite("No matching bracket found");
|
||||
buffer_line(bracket_line - height + 2);
|
||||
}
|
||||
|
||||
static void match_left_bracket(char bracket)
|
||||
|
|
@ -936,22 +967,22 @@ static void match_left_bracket(char bracket)
|
|||
clear_line();
|
||||
|
||||
if (strchr(flines[line_pos + height - 2], bracket) == NULL) {
|
||||
printf("%s%s%s", HIGHLIGHT, "No bracket in bottom line", NORMAL);
|
||||
printf("%s", flines[line_pos + height]);
|
||||
sleep(4);
|
||||
} else {
|
||||
for (i = line_pos + height - 2; i >= 0; i--) {
|
||||
if (strchr(flines[i], opp_bracket(bracket)) != NULL) {
|
||||
bracket_line = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (bracket_line == -1)
|
||||
printf("%s%s%s", HIGHLIGHT, "No matching bracket found", NORMAL);
|
||||
|
||||
buffer_line(bracket_line);
|
||||
print_hilite("No bracket in bottom line");
|
||||
/* ?? */
|
||||
/*printf("%s", flines[line_pos + height]);*/
|
||||
/*sleep(4);*/
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = line_pos + height - 2; i >= 0; i--) {
|
||||
if (strchr(flines[i], opp_bracket(bracket)) != NULL) {
|
||||
bracket_line = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (bracket_line == -1)
|
||||
print_hilite("No matching bracket found");
|
||||
buffer_line(bracket_line);
|
||||
}
|
||||
|
||||
#endif /* FEATURE_LESS_BRACKETS */
|
||||
|
|
@ -959,7 +990,7 @@ static void match_left_bracket(char bracket)
|
|||
static void keypress_process(int keypress)
|
||||
{
|
||||
switch (keypress) {
|
||||
case KEY_DOWN: case 'e': case 'j': case '\015':
|
||||
case KEY_DOWN: case 'e': case 'j': case 0x0d:
|
||||
buffer_down(1);
|
||||
buffer_print();
|
||||
break;
|
||||
|
|
@ -1080,37 +1111,42 @@ int less_main(int argc, char **argv)
|
|||
files = argv;
|
||||
num_files = argc;
|
||||
|
||||
/* Another popular pager, most, detects when stdout
|
||||
* is not a tty and turns into cat. This makes sense. */
|
||||
if (!isatty(STDOUT_FILENO))
|
||||
return bb_cat(argv);
|
||||
|
||||
if (!num_files) {
|
||||
if (isatty(STDIN_FILENO)) {
|
||||
/* Just "less"? No file and no redirection? */
|
||||
/* Just "less"? No args and no redirection? */
|
||||
bb_error_msg("missing filename");
|
||||
bb_show_usage();
|
||||
}
|
||||
} else
|
||||
filename = xstrdup(files[0]);
|
||||
|
||||
/* FIXME: another popular pager, most, detects when stdout
|
||||
* is not a tty and turns into cat */
|
||||
inp = xfopen(CURRENT_TTY, "r");
|
||||
|
||||
get_terminal_width_height(fileno(inp), &width, &height);
|
||||
if (width < 10 || height < 3)
|
||||
bb_error_msg_and_die("too narrow here");
|
||||
|
||||
if (option_mask32 & FLAG_TILDE) empty_line_marker = "";
|
||||
buffer = xmalloc(height * sizeof(char *));
|
||||
if (option_mask32 & FLAG_TILDE)
|
||||
empty_line_marker = "";
|
||||
|
||||
data_readlines();
|
||||
|
||||
tcgetattr(fileno(inp), &term_orig);
|
||||
signal(SIGTERM, sig_catcher);
|
||||
signal(SIGINT, sig_catcher);
|
||||
|
||||
term_vi = term_orig;
|
||||
term_vi.c_lflag &= (~ICANON & ~ECHO);
|
||||
term_vi.c_iflag &= (~IXON & ~ICRNL);
|
||||
term_vi.c_oflag &= (~ONLCR);
|
||||
term_vi.c_cc[VMIN] = 1;
|
||||
term_vi.c_cc[VTIME] = 0;
|
||||
|
||||
buffer_init();
|
||||
buffer_print();
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user