Back to ASCII - iomenu - interactive terminal-based selection menu
HTML git clone git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu
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DIR Files
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DIR README
DIR LICENSE
---
DIR commit f85d89ea704e25328a41b5c4ba3d115d1c997131
DIR parent 08cb917454e93c473c31b5628c5ed2876e9aad0d
HTML Author: Josuah Demangeon <mail@josuah.net>
Date: Tue, 11 Apr 2017 22:03:26 +0200
Back to ASCII
Diffstat:
M iomenu.c | 145 +++++++++++++++----------------
1 file changed, 71 insertions(+), 74 deletions(-)
---
DIR diff --git a/iomenu.c b/iomenu.c
@@ -5,8 +5,7 @@
#include <string.h>
#include <termios.h>
#include <unistd.h>
-#include <wchar.h>
-#include <wctype.h>
+#include <ctype.h>
#include <sys/ioctl.h>
@@ -23,12 +22,12 @@ static struct winsize ws;
static struct termios termios;
int tty_fd;
-static int current = 0, offset = 0, prev = 0, next = 0;
-static int linec = 0, matchc = 0;
-static wchar_t **linev = NULL, **matchv = NULL;
-static wchar_t input[BUFSIZ], formatted[BUFSIZ * 8];
-static int opt_l = 0, opt_tb = 0;
-static wchar_t opt_p[BUFSIZ];
+static int current = 0, offset = 0, prev = 0, next = 0;
+static int linec = 0, matchc = 0;
+static char **linev = NULL, **matchv = NULL;
+static char input[BUFSIZ], formatted[BUFSIZ * 8];
+static int opt_l = 0, opt_tb = 0;
+static char *opt_p = "";
static void
@@ -65,12 +64,12 @@ set_terminal(void)
die("ioctl");
/* save cursor postition */
- fputws(L"\033[s", stderr);
+ fputs("\033[s", stderr);
/* put cursor at the top / bottom */
switch (opt_tb) {
- case 't': fputws(L"\033[H", stderr); break;
- case 'b': fwprintf(stderr, L"\033[%dH", ws.ws_row - opt_l); break;
+ case 't': fputs("\033[H", stderr); break;
+ case 'b': fprintf(stderr, "\033[%dH", ws.ws_row - opt_l); break;
}
/* save attributes to `termios` */
@@ -93,10 +92,10 @@ reset_terminal(void)
/* clear terminal */
for (int i = 0; i < opt_l + 1; i++)
- fputws(L"\r\033[K\n", stderr);
+ fputs("\r\033[K\n", stderr);
/* reset cursor position */
- fputws(L"\033[u", stderr);
+ fputs("\033[u", stderr);
/* set terminal back to normal mode */
tcsetattr(tty_fd, TCSANOW, &termios);
@@ -106,47 +105,47 @@ reset_terminal(void)
static void
read_lines(void)
{
- wchar_t buffer[BUFSIZ];
+ char buffer[BUFSIZ];
int size = 1 << 6;
- linev = malloc(sizeof (wchar_t **) * size);
- matchv = malloc(sizeof (wchar_t **) * size);
+ linev = malloc(sizeof (char **) * size);
+ matchv = malloc(sizeof (char **) * size);
if (linev == NULL || matchv == NULL)
die("malloc");
linev[0] = matchv[0] = NULL;
/* read the file into an array of lines */
- for (; fgetws(buffer, sizeof buffer, stdin); linec++, matchc++) {
- int len = wcslen(buffer);
+ for (; fgets(buffer, sizeof buffer, stdin); linec++, matchc++) {
+ int len = strlen(buffer);
if (len > 0 && buffer[len - 1] == '\n')
buffer[len - 1] = '\0';
if (linec >= size) {
size *= 2;
- linev = realloc(linev, sizeof (wchar_t **) * size);
- matchv = realloc(matchv, sizeof (wchar_t **) * size);
+ linev = realloc(linev, sizeof (char **) * size);
+ matchv = realloc(matchv, sizeof (char **) * size);
if (linev == NULL || matchv == NULL)
die("realloc");
}
- linev[linec] = matchv[matchc] = malloc(len * sizeof (wchar_t));
+ linev[linec] = matchv[matchc] = malloc(len);
if (linev[linec] == NULL)
die("malloc");
- wcscpy(linev[linec], buffer);
+ strcpy(linev[linec], buffer);
}
}
static int
-string_width(wchar_t *wcs)
+string_width(char *str)
{
int len = 0;
- for (int i = 0; wcs[i]; i++, len++)
- if (wcs[i] == '\t')
+ for (int i = 0; str[i]; i++, len++)
+ if (str[i] == '\t')
len += (len + 7) % 8;
return len;
@@ -156,34 +155,34 @@ string_width(wchar_t *wcs)
/*
* Prepare a string for printing.
*/
-static wchar_t *
-format(wchar_t *wcs, int cols)
+static char *
+format(char *str, int cols)
{
int j = 0;
- for (int i = 0; wcs[i] && j < cols; i++) {
+ for (int i = 0; str[i] && j < cols; i++) {
- if (wcs[i] == L'\t') {
+ if (str[i] == '\t') {
for (int t = (j + 7) % 8 + 1; t > 0 && j < cols; t--)
- formatted[j++] = L' ';
+ formatted[j++] = ' ';
} else {
- formatted[j++] = wcs[i];
+ formatted[j++] = str[i];
}
}
- formatted[j] = L'\0';
+ formatted[j] = '\0';
return formatted;
}
static void
-print_string(wchar_t *wcs, int current)
+print_string(char *str, int current)
{
- fputws(current ? L"\033[30;47m" : L"", stderr);
- fputws(opt_l ? L"\033[K " : L" ", stderr);
- fputws(format(wcs, ws.ws_col - 2), stderr);
- fputws(L" \033[m", stderr);
+ fputs(current ? "\033[30;47m" : "", stderr);
+ fputs(opt_l ? "\033[K " : " ", stderr);
+ fputs(format(str, ws.ws_col - 2), stderr);
+ fputs(" \033[m", stderr);
}
@@ -194,12 +193,12 @@ print_lines(int count)
offset = current / count * count;
for (int i = offset; p < count && i < matchc; p++, i++) {
- fputwc(L'\n', stderr);
+ fputc('\n', stderr);
print_string(matchv[i], i == current);
}
while (p++ <= count)
- fputws(L"\n\033[K", stderr);
+ fputs("\n\033[K", stderr);
}
@@ -236,62 +235,62 @@ print_columns(void)
next = next_page(offset, ws.ws_col - OFFSET - 4);
}
- fputws(offset > 0 ? L"< " : L" ", stderr);
+ fputs(offset > 0 ? "< " : " ", stderr);
for (int i = offset; i < next && i < matchc; i++)
print_string(matchv[i], i == current);
if (next < matchc)
- fwprintf(stderr, L"\033[%dC>", ws.ws_col - OFFSET);
+ fprintf(stderr, "\033[%dC>", ws.ws_col - OFFSET);
}
static void
print_screen(void)
{
- extern wchar_t formatted[BUFSIZ * 8];
+ extern char formatted[BUFSIZ * 8];
int cols = opt_l || matchc == 0 ? ws.ws_col - 2 : OFFSET - 3;
- fputws(L"\r\033[K", stderr);
+ fputs("\r\033[K", stderr);
/* items */
if (opt_l) {
int count = MIN(opt_l, ws.ws_row - 2);
print_lines(count);
- fwprintf(stderr, L"\033[%dA", count + 1);
+ fprintf(stderr, "\033[%dA", count + 1);
} else {
- fwprintf(stderr, L"\033[%dC", OFFSET);
+ fprintf(stderr, "\033[%dC", OFFSET);
print_columns();
}
- fputws(L"\r", stderr);
+ fputs("\r", stderr);
/* prompt */
if (opt_p[0] != '\0') {
format(opt_p, cols);
- fputws(L"\033[30;47m ", stderr);
+ fputs("\033[30;47m ", stderr);
for (int i = 0; formatted[i]; i++)
- fputwc(formatted[i], stderr);
- fputws(L" \033[m", stderr);
- cols -= wcslen(formatted) + 1;
+ fputc(formatted[i], stderr);
+ fputs(" \033[m", stderr);
+ cols -= strlen(formatted) + 1;
}
- fputwc(L' ', stderr);
+ fputc(' ', stderr);
/* input */
format(input, cols);
- fputws(formatted, stderr);
+ fputs(formatted, stderr);
fflush(stderr);
}
static int
-match_line(wchar_t *line, wchar_t **tokv, int tokc)
+match_line(char *line, char **tokv, int tokc)
{
for (int i = 0; i < tokc; i++)
- if (wcsstr(line, tokv[i]) == NULL)
+ if (strstr(line, tokv[i]) == NULL)
return 0;
return 1;
@@ -301,14 +300,14 @@ match_line(wchar_t *line, wchar_t **tokv, int tokc)
static void
filter_lines(void)
{
- wchar_t **tokv = NULL, *tok, *s, buffer[sizeof (input)];
+ char **tokv = NULL, *s, buffer[sizeof (input)];
int tokc = 0, n = 0;
current = offset = prev = next = 0;
- wcscpy(buffer, input);
+ strcpy(buffer, input);
- for (s = wcstok(buffer, L" ", &tok); s; s = wcstok(NULL, L" ", &tok), tokc++) {
+ for (s = strtok(buffer, " "); s; s = strtok(NULL, " "), tokc++) {
if (tokc >= n) {
tokv = realloc(tokv, ++n * sizeof (*tokv));
@@ -332,13 +331,13 @@ filter_lines(void)
static void
remove_word_input()
{
- int len = wcslen(input) - 1;
+ int len = strlen(input) - 1;
- for (int i = len; i >= 0 && iswspace(input[i]); i--)
+ for (int i = len; i >= 0 && isspace(input[i]); i--)
input[i] = '\0';
- len = wcslen(input) - 1;
- for (int i = len; i >= 0 && !iswspace(input[i]); i--)
+ len = strlen(input) - 1;
+ for (int i = len; i >= 0 && !isspace(input[i]); i--)
input[i] = '\0';
filter_lines();
@@ -348,9 +347,9 @@ remove_word_input()
static void
add_character(char key)
{
- int len = wcslen(input);
+ int len = strlen(input);
- if (iswprint(key)) {
+ if (isprint(key)) {
input[len] = key;
input[len + 1] = '\0';
}
@@ -362,16 +361,16 @@ add_character(char key)
static void
print_selection(void)
{
- fputws(L"\r\033[K", stderr);
- fputws(matchc > 0 ? matchv[current] : input, stdout);
- fputwc(L'\n', stdout);
+ fputs("\r\033[K", stderr);
+ fputs(matchc > 0 ? matchv[current] : input, stdout);
+ fputc('\n', stdout);
}
static int
input_key(void)
{
- wchar_t key = fgetwc(stdin);
+ char key = fgetc(stdin);
switch (key) {
@@ -389,7 +388,7 @@ input_key(void)
case 127:
case CONTROL('H'): /* backspace */
- input[wcslen(input) - 1] = '\0';
+ input[strlen(input) - 1] = '\0';
filter_lines();
break;
@@ -403,7 +402,7 @@ input_key(void)
case CONTROL('I'): /* tab */
if (linec > 0)
- wcscpy(input, matchv[current]);
+ strcpy(input, matchv[current]);
filter_lines();
break;
@@ -447,7 +446,7 @@ input_get(void)
static void
usage(void)
{
- fputws(L"usage: iomenu [-b] [-t] [-l lines] [-p prompt]\n", stderr);
+ fputs("usage: iomenu [-b] [-t] [-l lines] [-p prompt]\n", stderr);
exit(EXIT_FAILURE);
}
@@ -456,12 +455,10 @@ usage(void)
int
main(int argc, char *argv[])
{
- extern wchar_t opt_p[BUFSIZ];
+ extern char *opt_p;
int exit_code;
- opt_p[0] = '\0';
-
for (int i = 1; i < argc; i++) {
if (argv[i][0] != '-' || strlen(argv[i]) != 2)
usage();
@@ -478,7 +475,7 @@ main(int argc, char *argv[])
case 'p':
if (++i >= argc)
usage();
- mbstowcs(opt_p, argv[i], BUFSIZ);
+ opt_p = argv[i];
break;
default: