/* This is needed so that program behaviour changes when input comes from
stdin */
static int inp_stdin;
-/* This is required so that when a file is requested to be examined after
- input has come from stdin (e.g. dmesg | less), the input stream from
- the keyboard still stays the same. If it switched back to stdin, keyboard
- input wouldn't work. */
-static int ea_inp_stdin;
#ifdef CONFIG_FEATURE_LESS_MARKS
static int mark_lines[15][2];
/* Reset terminal input to normal */
static void set_tty_cooked(void) {
fflush(stdout);
- tcsetattr(0, TCSANOW, &term_orig);
+ tcsetattr(fileno(inp), TCSANOW, &term_orig);
}
/* Set terminal input to raw mode (taken from vi.c) */
static void set_tty_raw(void) {
- tcsetattr(0, TCSANOW, &term_vi);
+ tcsetattr(fileno(inp), TCSANOW, &term_vi);
}
/* Exit the program gracefully */
for (i = 0; i <= num_flines; i++) {
safe_strncpy(current_line, flines[i], 256);
- bb_xasprintf(&flines[i],"%5d %s", i + 1, current_line);
+ flines[i] = bb_xasprintf("%5d %s", i + 1, current_line);
}
}
FILE *fp;
fp = (inp_stdin) ? stdin : bb_xfopen(filename, "rt");
-
- /* First of all, we need to know the number of lines so that flines can be initialised. */
- for (i = 0; (!feof(fp)) && (i <= MAXLINES); i++)
- fgets(current_line, 256, fp);
- rewind(fp);
- /* Initialise fp */
- flines = malloc(i * sizeof(char *));
-
- for (i = 0; (!feof(fp)) && (i <= MAXLINES); i++) {
+ flines = NULL;
+ for (i = 0; (feof(fp)==0) && (i <= MAXLINES); i++) {
strcpy(current_line, "");
fgets(current_line, 256, fp);
- bb_xferror(fp, filename);
+ if(fp != stdin)
+ bb_xferror(fp, filename);
+ flines = xrealloc(flines, (i+1) * sizeof(char *));
flines[i] = bb_xstrdup(current_line);
}
num_flines = i - 2;
-/* Reset variables for a new file */
+ /* Reset variables for a new file */
line_pos = 0;
past_eof = 0;
fclose(fp);
- inp = (inp_stdin) ? fopen(CURRENT_TTY, "r") : stdin;
-
- if (ea_inp_stdin) {
- fclose(inp);
- inp = fopen(CURRENT_TTY, "r");
- }
+ if(inp == NULL)
+ inp = (inp_stdin) ? fopen(CURRENT_TTY, "r") : stdin;
if (flags & FLAG_N)
add_linenumbers();
printf("%s%s%s%s", HIGHLIGHT, "- Next: ", files[current_file], NORMAL);
}
else {
- printf("%c", ':');
+ putchar(':');
}
#ifdef CONFIG_FEATURE_LESS_FLAGS
}
/* 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++) {
- buffer[i] = (char *) bb_xstrdup(flines[i]);
+ buffer[i] = bb_xstrdup(flines[i]);
}
/* If the buffer still isn't full, fill it with blank lines */
line_pos += nlines;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
- buffer[i] = (char *) bb_xstrdup(flines[line_pos + i]);
+ buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
else {
line_pos += 1;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
- buffer[i] = (char *) bb_xstrdup(flines[line_pos + i]);
+ buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
}
line_pos -= nlines;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
- buffer[i] = (char *) bb_xstrdup(flines[line_pos + i]);
+ buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
else {
line_pos -= 1;
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
- buffer[i] = (char *) bb_xstrdup(flines[line_pos + i]);
+ buffer[i] = bb_xstrdup(flines[line_pos + i]);
}
}
}
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
if (i < tilde_line - nlines + 1)
- buffer[i] = (char *) bb_xstrdup(flines[line_pos + i]);
+ buffer[i] = bb_xstrdup(flines[line_pos + i]);
else {
if (line_pos >= num_flines - height + 2)
buffer[i] = bb_xstrdup("~\n");
else if (linenum < (num_flines - height - 2)) {
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
- buffer[i] = (char *) bb_xstrdup(flines[linenum + i]);
+ buffer[i] = bb_xstrdup(flines[linenum + i]);
}
line_pos = linenum;
}
for (i = 0; i < (height - 1); i++) {
free(buffer[i]);
if (linenum + i < num_flines + 2)
- buffer[i] = (char *) bb_xstrdup(flines[linenum + i]);
+ buffer[i] = bb_xstrdup(flines[linenum + i]);
else
- buffer[i] = (char *) bb_xstrdup((flags & FLAG_TILDE) ? "\n" : "~\n");
+ buffer[i] = bb_xstrdup((flags & FLAG_TILDE) ? "\n" : "~\n");
}
line_pos = linenum;
/* Set past_eof so buffer_down and buffer_up act differently */
newline_offset = strlen(filename) - 1;
filename[newline_offset] = '\0';
- files[num_files] = bb_xstrndup(filename, (strlen(filename) + 1) * sizeof(char));
+ files[num_files] = bb_xstrdup(filename);
current_file = num_files + 1;
num_files++;
inp_stdin = 0;
- ea_inp_stdin = 1;
reinitialise();
}
static char *insert_highlights (char *line, int start, int end) {
- char *new_line;
-
- bb_xasprintf(&new_line, "%.*s%s%.*s%s%s", start, line, HIGHLIGHT,
+ return bb_xasprintf("%.*s%s%.*s%s%s", start, line, HIGHLIGHT,
end - start, line + start, NORMAL, line + end);
- return new_line;
}
static char *process_regex_on_line(char *line, regex_t *pattern) {
/* Get the uncompiled regular expression from the user */
clear_line();
putchar((match_backwards) ? '?' : '/');
- scanf("%s", uncomp_regex);
+ uncomp_regex[0] = 0;
+ fgets(uncomp_regex, sizeof(uncomp_regex), stdin);
+ i = strlen(uncomp_regex);
+ if(i > 0) {
+ if(uncomp_regex[i-1] == '\n')
+ uncomp_regex[i-1] = '\0';
+ else
+ while((i = getchar()) != '\n' && i != EOF);
+ }
/* Compile the regex and check for errors */
xregcomp(pattern, uncomp_regex, 0);
/* Run the regex on each line of the current file here */
for (i = 0; i <= num_flines; i++) {
strcpy(current_line, process_regex_on_line(flines[i], pattern));
- flines[i] = (char *) bb_xstrndup(current_line, sizeof(char) * (strlen(current_line)+1));
+ flines[i] = bb_xstrdup(current_line);
if (match_found) {
match_lines[j] = i;
j++;
}
num_matches = j;
-
if ((match_lines[0] != -1) && (num_flines > height - 2))
buffer_line(match_lines[0]);
else
int num;
char num_input[80];
char keypress;
+ char *endptr;
+
num_input[0] = first_digit;
/* Clear the current line, print a prompt, and then print the digit */
clear_line();
printf(":%c", first_digit);
- /* Receive input until a letter is given */
- while((num_input[i] = tless_getch()) && isdigit(num_input[i])) {
- printf("%c", num_input[i]);
+ /* Receive input until a letter is given (max 80 chars)*/
+ while((i < 80) && (num_input[i] = tless_getch()) && isdigit(num_input[i])) {
+ putchar(num_input[i]);
i++;
}
/* Take the final letter out of the digits string */
keypress = num_input[i];
num_input[i] = '\0';
- i--;
- num = atoi(num_input);
+ num = strtol(num_input, &endptr, 10);
+ if (endptr==num_input || *endptr!='\0' || num < 1 || num > MAXLINES)
+ goto END;
/* We now know the number and the letter entered, so we process them */
switch (keypress) {
default:
break;
}
-
+END:
buffer_print();
}
switch (keypress) {
case 'M':
- flags &= ~FLAG_M;
+ flags ^= FLAG_M;
break;
case 'm':
- flags &= ~FLAG_m;
+ flags ^= FLAG_m;
break;
case 'E':
- flags &= ~FLAG_E;
+ flags ^= FLAG_E;
break;
case '~':
- flags &= ~FLAG_TILDE;
+ flags ^= FLAG_TILDE;
break;
default:
break;
}
}
- strcpy(filename, (inp_stdin) ? "stdin" : files[0]);
+ strcpy(filename, (inp_stdin) ? bb_msg_standard_input : files[0]);
tty_width_height();
- tcgetattr(0, &term_orig);
+ data_readlines();
+ tcgetattr(fileno(inp), &term_orig);
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;
-
- data_readlines();
buffer_init();
buffer_print();
projects / oweals / busybox.git / blobdiff