Adding upstream version 1.23.0.upstream/1.23.0upstream

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

1 files changed, 185 insertions, 0 deletions

diff --git a/src/libs/libgroff/error.cpp b/src/libs/libgroff/error.cpp
new file mode 100644
index 0000000..b1a4e61
--- /dev/null
+++ b/src/libs/libgroff/error.cpp
@@ -0,0 +1,185 @@
+/* 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/>. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "errarg.h"
+#include "error.h"
+
+extern void fatal_error_exit();
+
+enum error_type { DEBUG, WARNING, ERROR, FATAL };
+
+static void do_error_with_file_and_line(const char *filename,
+					const char *source_filename,
+					int lineno,
+					error_type type,
+					const char *format,
+					const errarg &arg1,
+					const errarg &arg2,
+					const errarg &arg3)
+{
+  bool need_space = false;
+  if (program_name != 0 /* nullptr */) {
+    fputs(program_name, stderr);
+    fputc(':', stderr);
+    need_space = true;
+  }
+  if (filename != 0 /* nullptr */) {
+    if (strcmp(filename, "-") == 0)
+      filename = "<standard input>";
+    fputs(filename, stderr);
+    if (source_filename != 0 /* nullptr */) {
+      fputs(":(", stderr);
+      fputs(source_filename, stderr);
+      fputc(')', stderr);
+    }
+    if (lineno > 0) {
+      fputc(':', stderr);
+      errprint("%1", lineno);
+    }
+    fputc(':', stderr);
+    need_space = true;
+  }
+  if (need_space)
+    fputc(' ', stderr);
+  switch (type) {
+  case FATAL:
+    fputs("fatal error", stderr);
+    break;
+  case ERROR:
+    fputs("error", stderr);
+    break;
+  case WARNING:
+    fputs("warning", stderr);
+    break;
+  case DEBUG:
+    fputs("debug", stderr);
+    break;
+  }
+  fputs(": ", stderr);
+  errprint(format, arg1, arg2, arg3);
+  fputc('\n', stderr);
+  fflush(stderr);
+  if (type == FATAL)
+    fatal_error_exit();
+}
+
+static void do_error(error_type type,
+		     const char *format,
+		     const errarg &arg1,
+		     const errarg &arg2,
+		     const errarg &arg3)
+{
+  do_error_with_file_and_line(current_filename, current_source_filename,
+			      current_lineno, type, format, arg1, arg2,
+			      arg3);
+}
+
+void debug(const char *format,
+	   const errarg &arg1,
+	   const errarg &arg2,
+	   const errarg &arg3)
+{
+  do_error(DEBUG, format, arg1, arg2, arg3);
+}
+
+void error(const char *format,
+	   const errarg &arg1,
+	   const errarg &arg2,
+	   const errarg &arg3)
+{
+  do_error(ERROR, format, arg1, arg2, arg3);
+}
+
+void warning(const char *format,
+	     const errarg &arg1,
+	     const errarg &arg2,
+	     const errarg &arg3)
+{
+  do_error(WARNING, format, arg1, arg2, arg3);
+}
+
+void fatal(const char *format,
+	   const errarg &arg1,
+	   const errarg &arg2,
+	   const errarg &arg3)
+{
+  do_error(FATAL, format, arg1, arg2, arg3);
+}
+
+// Use the functions below when it's more costly to save and restore the
+// globals current_filename, current_source_filename, and current_lineno
+// than to specify additional arguments.  For instance, a function that
+// would need to temporarily change their values and has multiple return
+// paths might prefer these to the simpler variants above.
+
+void debug_with_file_and_line(const char *filename,
+			      int lineno,
+			      const char *format,
+			      const errarg &arg1,
+			      const errarg &arg2,
+			      const errarg &arg3)
+{
+  do_error_with_file_and_line(filename, 0 /* nullptr */, lineno,
+			      DEBUG, format, arg1, arg2, arg3);
+}
+
+void error_with_file_and_line(const char *filename,
+			      int lineno,
+			      const char *format,
+			      const errarg &arg1,
+			      const errarg &arg2,
+			      const errarg &arg3)
+{
+  do_error_with_file_and_line(filename, 0 /* nullptr */, lineno,
+			      ERROR, format, arg1, arg2, arg3);
+}
+
+void warning_with_file_and_line(const char *filename,
+				int lineno,
+				const char *format,
+				const errarg &arg1,
+				const errarg &arg2,
+				const errarg &arg3)
+{
+  do_error_with_file_and_line(filename, 0 /* nullptr */, lineno,
+			      WARNING, format, arg1, arg2, arg3);
+}
+
+void fatal_with_file_and_line(const char *filename,
+			      int lineno,
+			      const char *format,
+			      const errarg &arg1,
+			      const errarg &arg2,
+			      const errarg &arg3)
+{
+  do_error_with_file_and_line(filename, 0 /* nullptr */, lineno,
+			      FATAL, format, arg1, arg2, arg3);
+}
+
+// Local Variables:
+// fill-column: 72
+// mode: C++
+// End:
+// vim: set cindent noexpandtab shiftwidth=2 textwidth=72: