/* Save the current file on disk. Return 0 on success, 1 on error. */
int editorSave(void) {
int len;
char *buf = editorRowsToString(&len);
int fd = open(E.filename,O_WRONLY|O_TRUNC,0644);
if (fd == -1) goto writeerr;
if (write(fd,buf,len) != len) goto writeerr;
close(fd);
free(buf);
E.dirty = 0;
editorSetStatusMessage("%d bytes written on disk", len);
return 0;
writeerr:
free(buf);
if (fd != -1) close(fd);
editorSetStatusMessage("Can't save! I/O error: %s",strerror(errno));
return 1;
}
/* Save the current file on disk. Return 0 on success, 1 on error. */
int editorSave(void) {
int len;
char *buf = editorRowsToString(&len);
int fd = open(E.filename,O_RDWR|O_CREAT,0644);
if (fd == -1) goto writeerr;
/* Use truncate + a single write(2) call in order to make saving
* a bit safer, under the limits of what we can do in a small editor. */
if (ftruncate(fd,len) == -1) goto writeerr;
if (write(fd,buf,len) != len) goto writeerr;
close(fd);
free(buf);
E.dirty = 0;
editorSetStatusMessage("%d bytes written on disk", len);
return 0;
writeerr:
free(buf);
if (fd != -1) close(fd);
editorSetStatusMessage("Can't save! I/O error: %s",strerror(errno));
return 1;
}
int main(int argc, char **argv) {
// takdit <ファイル名> という引数のみ実行
if (argc != 2) {
fprintf(stderr, "Usage: takdit <filename>\n");
exit(1);
}
initEditor(); // エディタの初期化
editorSelectSyntaxHighlight(argv[1]); // シンタックスハイライトの適用
editorOpen(argv[1]); // ファイルを開く
enableRawMode(STDIN_FILENO); // Rawモードの有効化
editorSetStatusMessage(
"HELP: Ctrl-S = save | Ctrl-Q = quit | Ctrl-F = find");
while (1) {
editorRefreshScreen(); // 変更の反映
editorProcessKeypress(STDIN_FILENO); // キー入力待ち
}
return 0;
}