initial push

m68k/libelf/lib/newdata.c

@@ -0,0 +1,56 @@
+/*
+newdata.c - implementation of the elf_newdata(3) function.
+Copyright (C) 1995 - 2000 Michael Riepe
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <private.h>
+
+#ifndef lint
+static const char rcsid[] = "@(#) $Id: newdata.c,v 1.1 2008/06/16 00:01:22 cjohns Exp $";
+#endif /* lint */
+
+Elf_Data*
+elf_newdata(Elf_Scn *scn) {
+    Scn_Data *sd;
+
+    if (!scn) {
+	return NULL;
+    }
+    elf_assert(scn->s_magic == SCN_MAGIC);
+    if (scn->s_index == SHN_UNDEF) {
+	seterr(ERROR_NULLSCN);
+    }
+    else if (!(sd = (Scn_Data*)malloc(sizeof(*sd)))) {
+	seterr(ERROR_MEM_SCNDATA);
+    }
+    else {
+	*sd = _elf_data_init;
+	sd->sd_scn = scn;
+	sd->sd_data_flags = ELF_F_DIRTY;
+	sd->sd_freeme = 1;
+	sd->sd_data.d_version = _elf_version;
+	if (scn->s_data_n) {
+	    scn->s_data_n->sd_link = sd;
+	}
+	else {
+	    scn->s_data_1 = sd;
+	}
+	scn->s_data_n = sd;
+	return &sd->sd_data;
+    }
+    return NULL;
+}