1 files changed, 65 insertions, 0 deletions
diff --git a/ext/libelf/elf_getident.c b/ext/libelf/elf_getident.c
new file mode 100644
index 000000000..41d09da20
--- /dev/null
+++ b/ext/libelf/elf_getident.c
@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 2006 Joseph Koshy
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+#include <ar.h>
+#include <assert.h>
+#include "libelf.h"
+
+#include "_libelf.h"
+
+char *
+elf_getident(Elf *e, size_t *sz)
+{
+
+        if (e == NULL) {
+                LIBELF_SET_ERROR(ARGUMENT, 0);
+                goto error;
+        }
+
+        if (e->e_cmd == ELF_C_WRITE && e->e_rawfile == NULL) {
+                LIBELF_SET_ERROR(SEQUENCE, 0);
+                goto error;
+        }
+
+        assert(e->e_kind != ELF_K_AR || e->e_cmd == ELF_C_READ);
+
+        if (sz) {
+                if (e->e_kind == ELF_K_AR)
+                        *sz = SARMAG;
+                else if (e->e_kind == ELF_K_ELF)
+                        *sz = EI_NIDENT;
+                else
+                        *sz = e->e_rawsize;
+        }
+
+        return (e->e_rawfile);
+
+ error:
+        if (sz)
+                *sz = 0;
+        return (NULL);
+}