commit bash-20130301 snapshot

2026-07-02 01:40:49 +02:00 · 2013-03-26 20:51:22 -04:00
parent 8eb22ee966
commit c7e43312f9
220 changed files with 45368 additions and 801 deletions
@@ -0,0 +1,185 @@
+/*
+ * Originally from
+ *	http://www.excessus.demon.co.uk/misc-hacks/index.html#xtitle
+ */
+
+/*
+ * Made into a loadable builtin by chet@po.cwru.edu.
+ */
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <termios.h>
+
+#ifdef BASH_BUILTIN
+#include "shell.h"
+#include "builtins.h"
+#include "bashgetopt.h"
+#endif
+
+#ifdef BASH_BUILTIN
+int xtitle_builtin(WORD_LIST *list)
+#else
+int main(int argc, char *argv[])
+#endif
+{
+  int query = 0;
+  int fd;
+  int openned = 0;
+
+#ifdef BASH_BUILTIN
+  reset_internal_getopt();
+#endif
+  for (;;) {
+#ifdef BASH_BUILTIN
+    int i;
+    i = internal_getopt(list, "q");
+#else
+    int i = getopt(argc, argv, "q");
+#endif
+    if (i < 0)
+      break;
+    switch (i) {
+      case 'q':
+	query = 1;
+	break;
+      default:
+#ifdef BASH_BUILTIN
+	builtin_usage();
+#else
+	fprintf(stderr, "usage: xtitle [-q] [string]\n");
+#endif
+	return (1);
+    }
+  }
+
+#ifdef BASH_BUILTIN
+  if (!query && loptend == 0) {
+#else
+  if (!query && optind == argc) {
+#endif
+    fprintf(stderr, "xtitle: no string to set\n");
+    return (1);
+  }
+
+  {
+    char *t = getenv("TERM");
+    if (!t || strncmp(t, "xterm", 5))
+      return (0);
+  }
+
+  if (isatty(0))
+    fd = 0;
+  else {
+    fd = open("/dev/tty", O_RDWR);
+    if (fd < 0) {
+      fprintf(stderr, "xtitle: couldn't open terminal: %s", strerror(errno));
+      return (1);
+    }
+    openned = 1;
+  }
+
+  if (!query) {
+#ifdef BASH_BUILTIN
+    WORD_LIST *l = loptend;
+    char sp = ' ';
+    write(fd, "\33]0;", 4);
+    while (l) {
+      write(fd, l->word->word, strlen(l->word->word));
+      if (l->next)
+	write(fd, &sp, 1);
+      l = l->next;
+    }
+    write(fd, "\33\\", 2);
+#else
+    int i;
+    char sp = ' ';
+    write(fd, "\33]0;", 4);
+    for (i = optind; i < argc; i++) {
+      write(fd, argv[i], strlen(argv[i]));
+      if (i < argc - 1)
+	write(fd, &sp, 1);
+    }
+    write(fd, "\33\\", 2);
+#endif
+  } else {
+    struct termios o, n;
+    char hack;
+    int state = 0;
+
+    tcgetattr(fd, &o);
+    n = o;
+    n.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+		   |INLCR|IGNCR|ICRNL|IXON);
+    n.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
+    n.c_cflag &= ~(CSIZE|PARENB);
+    n.c_cflag |= CS8;
+    tcsetattr(fd, TCSAFLUSH, &n);
+    write(fd, "\33[21t", 5);
+
+    while (state != -1) {
+      if (read(fd, &hack, 1) < 1)
+	break;
+      switch (state) {
+	case 0:
+	  if (hack == '\33') state = 1;
+	  break;
+	case 1:
+	  if (hack == ']') state = 2; else state = 0;
+	  break;
+	case 2:
+	  if (hack == 'l') state = 3; else state = 0;
+	  break;
+	case 3:
+	  if (hack == '\33') state = 4; else putchar(hack);
+	  break;
+	case 4:
+	  if (hack == '\\') { state = -1; putchar('\n'); }
+	  else { putchar('\33'); putchar(hack); state = 3; }
+	  break;
+      }
+    }
+
+    tcsetattr(fd, TCSAFLUSH, &o);
+  }
+
+  if (openned)
+    close(fd);
+
+  return (0);
+}
+
+
+#ifdef BASH_BUILTIN
+
+static char *xtitle_doc[] = {
+  "Set xterm window title.",
+  "",
+  "Either set or read the title of the current xterm window.  With the",
+  "-q option, writes the current xterm title to standard output.  Without",
+  "the -q option, sets the xterm title to be the arguments given,",
+  "separated by space characters.  [By Mark Wooding, mdw@nsict.org]",
+  0
+};
+
+struct builtin xtitle_struct = {
+  "xtitle",
+  xtitle_builtin,
+  BUILTIN_ENABLED,
+  xtitle_doc,
+  "xtitle [-q] [arguments]",
+  0
+};
+
+#endif