1 files changed, 125 insertions, 0 deletions
diff --git a/src/libasm/asm_addstrz.c b/src/libasm/asm_addstrz.c
new file mode 100644
index 00000000..ddd03541
--- /dev/null
+++ b/src/libasm/asm_addstrz.c
@@ -0,0 +1,125 @@
+/* Add string to a section.
+   Copyright (C) 2002 Red Hat, Inc.
+   This file is part of Red Hat elfutils.
+   Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   Red Hat elfutils 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; version 2 of the License.
+
+   Red Hat elfutils 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 Red Hat elfutils; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+   Red Hat elfutils is an included package of the Open Invention Network.
+   An included package of the Open Invention Network is a package for which
+   Open Invention Network licensees cross-license their patents.  No patent
+   license is granted, either expressly or impliedly, by designation as an
+   included package.  Should you wish to participate in the Open Invention
+   Network licensing program, please visit www.openinventionnetwork.com
+   <http://www.openinventionnetwork.com>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <libasmP.h>
+
+
+/* Add zero terminated string STR of size LEN to (sub)section ASMSCN.  */
+int
+asm_addstrz (asmscn, str, len)
+     AsmScn_t *asmscn;
+     const char *str;
+     size_t len;
+{
+  if (asmscn == NULL)
+    return -1;
+
+  if (unlikely (asmscn->type == SHT_NOBITS))
+    {
+      if (len == 0)
+	{
+	  if (str[0] != '\0')
+	    {
+	      __libasm_seterrno (ASM_E_TYPE);
+	      return -1;
+	    }
+	}
+      else
+	{
+	  size_t cnt;
+
+	  for (cnt = 0; cnt < len; ++cnt)
+	    if (str[cnt] != '\0')
+	      {
+		__libasm_seterrno (ASM_E_TYPE);
+		return -1;
+	      }
+	}
+    }
+
+  if (len == 0)
+    len = strlen (str) + 1;
+
+  if (unlikely (asmscn->ctx->textp))
+    {
+      bool nextline = true;
+
+      do
+	{
+	  if (nextline)
+	    {
+	      fputs ("\t.string\t\"", asmscn->ctx->out.file);
+	      nextline = false;
+	    }
+
+	  if (*str == '\0')
+	    fputs ("\\000", asmscn->ctx->out.file);
+	  else if (! isascii (*str))
+	    fprintf (asmscn->ctx->out.file, "\\%03o",
+		     (unsigned int) *((unsigned char *)str));
+	  else if (*str == '\\')
+	    fputs ("\\\\", asmscn->ctx->out.file);
+	  else if (*str == '\n')
+	    {
+	      fputs ("\\n\"", asmscn->ctx->out.file);
+	      nextline = true;
+	    }
+	  else
+	    fputc (*str, asmscn->ctx->out.file);
+
+	  ++str;
+	}
+      while (--len > 0 && (len > 1 || *str != '\0'));
+
+      if (! nextline)
+	fputs ("\"\n", asmscn->ctx->out.file);
+    }
+  else
+    {
+      /* Make sure there is enough room.  */
+      if (__libasm_ensure_section_space (asmscn, len) != 0)
+	return -1;
+
+      /* Copy the string.  */
+      memcpy (&asmscn->content->data[asmscn->content->len], str, len);
+
+      /* Adjust the pointer in the data buffer.  */
+      asmscn->content->len += len;
+
+      /* Increment the offset in the (sub)section.  */
+      asmscn->offset += len;
+    }
+
+  return 0;
+}