Adding upstream version 1.23.0.upstream/1.23.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 144 insertions, 0 deletions

diff --git a/src/utils/lkbib/lkbib.cpp b/src/utils/lkbib/lkbib.cpp
new file mode 100644
index 0000000..946bd7d
--- /dev/null
+++ b/src/utils/lkbib/lkbib.cpp
@@ -0,0 +1,144 @@
+/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
+     Written by James Clark (jjc@jclark.com)
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#include "lib.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "errarg.h"
+#include "error.h"
+
+#include "defs.h"
+#include "refid.h"
+#include "search.h"
+
+extern "C" const char *Version_string;
+
+static void usage(FILE *stream)
+{
+  fprintf(stream,
+          "usage: %s [-n] [-p database] [-i XYZ] [-t N] key ...\n"
+          "usage: %s {-v | --version}\n"
+          "usage: %s --help\n",
+	  program_name, program_name, program_name);
+}
+
+int main(int argc, char **argv)
+{
+  program_name = argv[0];
+  static char stderr_buf[BUFSIZ];
+  setbuf(stderr, stderr_buf);
+  int search_default = 1;
+  search_list list;
+  int opt;
+  static const struct option long_options[] = {
+    { "help", no_argument, 0, CHAR_MAX + 1 },
+    { "version", no_argument, 0, 'v' },
+    { NULL, 0, 0, 0 }
+  };
+  while ((opt = getopt_long(argc, argv, "nvVi:t:p:", long_options, NULL))
+	 != EOF)
+    switch (opt) {
+    case 'V':
+      do_verify = true;
+      break;
+    case 'n':
+      search_default = 0;
+      break;
+    case 'i':
+      linear_ignore_fields = optarg;
+      break;
+    case 't':
+      {
+	char *ptr;
+	long n = strtol(optarg, &ptr, 10);
+	if (n == 0 && ptr == optarg) {
+	  error("bad integer '%1' in 't' option", optarg);
+	  break;
+	}
+	if (n < 1)
+	  n = 1;
+	linear_truncate_len = int(n);
+	break;
+      }
+    case 'v':
+      {
+	printf("GNU lkbib (groff) version %s\n", Version_string);
+	exit(0);
+	break;
+      }
+    case 'p':
+      list.add_file(optarg);
+      break;
+    case CHAR_MAX + 1: // --help
+      usage(stdout);
+      exit(0);
+      break;
+    case '?':
+      usage(stderr);
+      exit(1);
+      break;
+    default:
+      assert(0);
+    }
+  if (optind >= argc) {
+    usage(stderr);
+    exit(1);
+  }
+  char *filename = getenv("REFER");
+  if (filename)
+    list.add_file(filename);
+  else if (search_default)
+    list.add_file(DEFAULT_INDEX, 1);
+  if (list.nfiles() == 0)
+    fatal("no databases");
+  int total_len = 0;
+  int i;
+  for (i = optind; i < argc; i++)
+    total_len += strlen(argv[i]);
+  total_len += argc - optind - 1 + 1; // for spaces and '\0'
+  char *buffer = new char[total_len];
+  char *ptr = buffer;
+  for (i = optind; i < argc; i++) {
+    if (i > optind)
+      *ptr++ = ' ';
+    strcpy(ptr, argv[i]);
+    ptr = strchr(ptr, '\0');
+  }
+  search_list_iterator iter(&list, buffer);
+  const char *start;
+  int len;
+  int count;
+  for (count = 0; iter.next(&start, &len); count++) {
+    if (fwrite(start, 1, len, stdout) != (size_t)len)
+      fatal("write error on stdout: %1", strerror(errno));
+    // Can happen for last reference in file.
+    if (start[len - 1] != '\n')
+      putchar('\n');
+    putchar('\n');
+  }
+  return !count;
+}
+
+// Local Variables:
+// fill-column: 72
+// mode: C++
+// End:
+// vim: set cindent noexpandtab shiftwidth=2 textwidth=72: