commit a88e168a20d42e41ba3fb415b406e05e51dc98ce
parent e91e4c0b3f2ba826b677874f42c48dc7893c7026
Author: Sophie <info@soophie.de>
Date: Sat, 4 Jan 2025 14:21:38 +0100
feat: Made single header file library
Diffstat:
| M | Makefile | | | 15 | +-------------- |
| D | libterm.c | | | 196 | ------------------------------------------------------------------------------- |
| D | libterm.h | | | 32 | -------------------------------- |
| A | src/libterm.h | | | 233 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
4 files changed, 234 insertions(+), 242 deletions(-)
diff --git a/Makefile b/Makefile
@@ -1,18 +1,5 @@
-default: build
-
-build:
- cc -o libterm.so -shared -fPIC -Wall -Wextra libterm.c
-
install:
- cc -o libterm.so -shared -fPIC libterm.c
- sudo cp libterm.h /usr/local/include/
- sudo cp libterm.so /usr/local/lib/
- sudo ldconfig
- rm libterm.so
+ sudo cp src/libterm.h /usr/local/include/
uninstall:
sudo rm /usr/local/include/libterm.h
- sudo rm /usr/local/lib/libterm.so
-
-clean:
- rm libterm.so
diff --git a/libterm.c b/libterm.c
@@ -1,196 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <poll.h>
-
-#include "libterm.h"
-
-struct termios termios;
-term_t term = { NULL, 0 };
-
-void term_panic(const char *str) {
- write(STDOUT_FILENO, "\x1b[2J", 4);
- write(STDOUT_FILENO, "\x1b[H", 3);
- write(STDOUT_FILENO, "\x1b[?25h", 6);
- perror(str);
- exit(EXIT_FAILURE);
-}
-
-void term_disable_raw_mode() {
- if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &termios) == -1) {
- term_panic("tcsetattr");
- }
-}
-
-void term_enable_raw_mode() {
- if (tcgetattr(STDIN_FILENO, &termios) == -1) {
- term_panic("tcgetattr");
- }
- atexit(term_disable_raw_mode);
- struct termios raw = termios;
- raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
- raw.c_oflag &= ~(OPOST);
- raw.c_cflag |= (CS8);
- raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
- raw.c_cc[VMIN] = 0;
- raw.c_cc[VTIME] = 1;
- if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw) == -1) {
- term_panic("tcsetattr");
- }
-}
-
-int term_read_cursor_pos(int *rows, int *cols) {
- char buf[32];
- unsigned int i = 0;
- if (write(STDOUT_FILENO, "\x1b[6n", 4) != 4) {
- return -1;
- }
- while (i < sizeof(buf) - 1) {
- if (read(STDIN_FILENO, &buf[i], 1) != 1) {
- break;
- }
- if (buf[i] == 'R') {
- break;
- }
- i++;
- }
- buf[i] = '\0';
- if (buf[0] != '\x1b' || buf[1] != '[') {
- return -1;
- }
- if (sscanf(&buf[2], "%d;%d", rows, cols) != 2) {
- return -1;
- }
- return -0;
-}
-
-int term_read_window_size(int *rows, int *cols) {
- struct winsize ws;
- if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1 || ws.ws_col == 0) {
- if (write(STDOUT_FILENO, "\x1b[999C\x1b[999B", 12) != 12) {
- return -1;
- }
- return term_read_cursor_pos(rows, cols);
- }
- else {
- *cols = ws.ws_col;
- *rows = ws.ws_row;
- return 0;
- }
-}
-
-int term_poll_key(int timeout) {
- struct pollfd fds[1];
- fds[0].fd = STDIN_FILENO;
- fds[0].events = POLLIN | POLLPRI;
- if (poll(fds, 1, timeout)) {
- return term_read_key();
- }
- return 0;
-}
-
-int term_read_key(void) {
- int len;
- char c;
- while ((len = read(STDIN_FILENO, &c, 1)) != 1) {
- if (len == -1 && errno != EAGAIN) {
- term_panic("read");
- }
- }
- if (c == '\x1b') {
- char seq[3];
- if (read(STDIN_FILENO, &seq[0], 1) != 1) {
- return '\x1b';
- }
- if (read(STDIN_FILENO, &seq[1], 1) != 1) {
- return '\x1b';
- }
- if (seq[0] == '[') {
- if (seq[1] >= '0' && seq[1] <= '9') {
- if (read(STDIN_FILENO, &seq[2], 1) != 1) {
- return '\x1b';
- }
- if (seq[2] == '~') {
- switch (seq[1]) {
- case '1':
- return KEY_HOME;
- case '3':
- return KEY_DEL;
- case '4':
- return KEY_END;
- case '5':
- return KEY_PAGE_UP;
- case '6':
- return KEY_PAGE_DOWN;
- case '7':
- return KEY_HOME;
- case '8':
- return KEY_END;
- }
- }
- }
- else {
- switch (seq[1]) {
- case 'A':
- return KEY_ARROW_UP;
- case 'B':
- return KEY_ARROW_DOWN;
- case 'C':
- return KEY_ARROW_RIGHT;
- case 'D':
- return KEY_ARROW_LEFT;
- case 'H':
- return KEY_HOME;
- case 'F':
- return KEY_END;
- }
- return '\x1b';
- }
- }
- else if (seq[0] == 'O') {
- switch (seq[1]) {
- case 'H':
- return KEY_HOME;
- case 'F':
- return KEY_END;
- }
- }
- }
- return c;
-}
-
-void term_write(char *str) {
- int str_len = strlen(str);
- char *new_buffer = realloc(term.buffer, sizeof(char) * (term.len + str_len + 1));
- if (new_buffer == NULL) {
- fprintf(stderr, "Cannot realloc memory!\n");
- return;
- }
- term.buffer = new_buffer;
- memcpy(term.buffer + term.len, str, str_len);
- term.len += str_len;
- term.buffer[term.len] = '\0';
-}
-
-void term_writef(const char *format, ...) {
- va_list args;
- va_start(args, format);
- char str[1000];
- vsnprintf(str, sizeof(str), format, args);
- term_write(str);
- va_end(args);
-}
-
-void term_flush(void) {
- if (term.len > 0) {
- write(STDOUT_FILENO, term.buffer, term.len);
- free(term.buffer);
- term.buffer = NULL;
- term.len = 0;
- }
-}
diff --git a/libterm.h b/libterm.h
@@ -1,32 +0,0 @@
-#pragma once
-
-typedef enum {
- KEY_ENTER = 13,
- KEY_ESC = 27,
- KEY_BACKSPACE = 127,
- KEY_ARROW_LEFT = 1000,
- KEY_ARROW_RIGHT,
- KEY_ARROW_UP,
- KEY_ARROW_DOWN,
- KEY_DEL,
- KEY_HOME,
- KEY_END,
- KEY_PAGE_UP,
- KEY_PAGE_DOWN,
-} keycode_t;
-
-typedef struct {
- char *buffer;
- int len;
-} term_t;
-
-void term_panic(const char *s);
-void term_disable_raw_mode(void);
-void term_enable_raw_mode(void);
-int term_read_cursor_pos(int *rows, int *cols);
-int term_read_window_size(int *rows, int *cols);
-int term_poll_key(int timeout);
-int term_read_key(void);
-void term_write(char *str);
-void term_writef(const char *format, ...);
-void term_flush(void);
diff --git a/src/libterm.h b/src/libterm.h
@@ -0,0 +1,233 @@
+#ifndef LIB_TERM_H
+#define LIB_TERM_H
+
+typedef enum {
+ KEY_ENTER = 13,
+ KEY_ESC = 27,
+ KEY_BACKSPACE = 127,
+ KEY_ARROW_LEFT = 1000,
+ KEY_ARROW_RIGHT,
+ KEY_ARROW_UP,
+ KEY_ARROW_DOWN,
+ KEY_DEL,
+ KEY_HOME,
+ KEY_END,
+ KEY_PAGE_UP,
+ KEY_PAGE_DOWN,
+} keycode_t;
+
+typedef struct {
+ char *buffer;
+ int len;
+} term_t;
+
+void term_panic(const char *s);
+void term_disable_raw_mode(void);
+void term_enable_raw_mode(void);
+int term_read_cursor_pos(int *rows, int *cols);
+int term_read_window_size(int *rows, int *cols);
+int term_poll_key(int timeout);
+int term_read_key(void);
+void term_write(char *str);
+void term_writef(const char *format, ...);
+void term_flush(void);
+
+#ifdef LIB_TERM_IMPL
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <poll.h>
+
+struct termios termios;
+term_t term = { NULL, 0 };
+
+void term_panic(const char *str) {
+ write(STDOUT_FILENO, "\x1b[2J", 4);
+ write(STDOUT_FILENO, "\x1b[H", 3);
+ write(STDOUT_FILENO, "\x1b[?25h", 6);
+ perror(str);
+ exit(EXIT_FAILURE);
+}
+
+void term_disable_raw_mode(void) {
+ if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &termios) == -1) {
+ term_panic("tcsetattr");
+ }
+}
+
+void term_enable_raw_mode(void) {
+ if (tcgetattr(STDIN_FILENO, &termios) == -1) {
+ term_panic("tcgetattr");
+ }
+ atexit(term_disable_raw_mode);
+ struct termios raw = termios;
+ raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
+ raw.c_oflag &= ~(OPOST);
+ raw.c_cflag |= (CS8);
+ raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
+ raw.c_cc[VMIN] = 0;
+ raw.c_cc[VTIME] = 1;
+ if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw) == -1) {
+ term_panic("tcsetattr");
+ }
+}
+
+int term_read_cursor_pos(int *rows, int *cols) {
+ char buf[32];
+ unsigned int i = 0;
+ if (write(STDOUT_FILENO, "\x1b[6n", 4) != 4) {
+ return -1;
+ }
+ while (i < sizeof(buf) - 1) {
+ if (read(STDIN_FILENO, &buf[i], 1) != 1) {
+ break;
+ }
+ if (buf[i] == 'R') {
+ break;
+ }
+ i++;
+ }
+ buf[i] = '\0';
+ if (buf[0] != '\x1b' || buf[1] != '[') {
+ return -1;
+ }
+ if (sscanf(&buf[2], "%d;%d", rows, cols) != 2) {
+ return -1;
+ }
+ return -0;
+}
+
+int term_read_window_size(int *rows, int *cols) {
+ struct winsize ws;
+ if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1 || ws.ws_col == 0) {
+ if (write(STDOUT_FILENO, "\x1b[999C\x1b[999B", 12) != 12) {
+ return -1;
+ }
+ return term_read_cursor_pos(rows, cols);
+ }
+ else {
+ *cols = ws.ws_col;
+ *rows = ws.ws_row;
+ return 0;
+ }
+}
+
+int term_poll_key(int timeout) {
+ struct pollfd fds[1];
+ fds[0].fd = STDIN_FILENO;
+ fds[0].events = POLLIN | POLLPRI;
+ if (poll(fds, 1, timeout)) {
+ return term_read_key();
+ }
+ return 0;
+}
+
+int term_read_key(void) {
+ int len;
+ char c;
+ while ((len = read(STDIN_FILENO, &c, 1)) != 1) {
+ if (len == -1 && errno != EAGAIN) {
+ term_panic("read");
+ }
+ }
+ if (c == '\x1b') {
+ char seq[3];
+ if (read(STDIN_FILENO, &seq[0], 1) != 1) {
+ return '\x1b';
+ }
+ if (read(STDIN_FILENO, &seq[1], 1) != 1) {
+ return '\x1b';
+ }
+ if (seq[0] == '[') {
+ if (seq[1] >= '0' && seq[1] <= '9') {
+ if (read(STDIN_FILENO, &seq[2], 1) != 1) {
+ return '\x1b';
+ }
+ if (seq[2] == '~') {
+ switch (seq[1]) {
+ case '1':
+ return KEY_HOME;
+ case '3':
+ return KEY_DEL;
+ case '4':
+ return KEY_END;
+ case '5':
+ return KEY_PAGE_UP;
+ case '6':
+ return KEY_PAGE_DOWN;
+ case '7':
+ return KEY_HOME;
+ case '8':
+ return KEY_END;
+ }
+ }
+ }
+ else {
+ switch (seq[1]) {
+ case 'A':
+ return KEY_ARROW_UP;
+ case 'B':
+ return KEY_ARROW_DOWN;
+ case 'C':
+ return KEY_ARROW_RIGHT;
+ case 'D':
+ return KEY_ARROW_LEFT;
+ case 'H':
+ return KEY_HOME;
+ case 'F':
+ return KEY_END;
+ }
+ return '\x1b';
+ }
+ }
+ else if (seq[0] == 'O') {
+ switch (seq[1]) {
+ case 'H':
+ return KEY_HOME;
+ case 'F':
+ return KEY_END;
+ }
+ }
+ }
+ return c;
+}
+
+void term_write(char *str) {
+ int str_len = strlen(str);
+ char *new_buffer = realloc(term.buffer, sizeof(char) * (term.len + str_len + 1));
+ if (new_buffer == NULL) {
+ fprintf(stderr, "Cannot realloc memory!\n");
+ return;
+ }
+ term.buffer = new_buffer;
+ memcpy(term.buffer + term.len, str, str_len);
+ term.len += str_len;
+ term.buffer[term.len] = '\0';
+}
+
+void term_writef(const char *format, ...) {
+ va_list args;
+ va_start(args, format);
+ char str[1000];
+ vsnprintf(str, sizeof(str), format, args);
+ term_write(str);
+ va_end(args);
+}
+
+void term_flush(void) {
+ if (term.len > 0) {
+ write(STDOUT_FILENO, term.buffer, term.len);
+ free(term.buffer);
+ term.buffer = NULL;
+ term.len = 0;
+ }
+}
+
+#endif // LIB_TERM_IMPL
+#endif // LIB_TERM_H