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-rw-r--r--libelf/elf_getshnum.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/libelf/elf_getshnum.c b/libelf/elf_getshnum.c
new file mode 100644
index 00000000..52d6a056
--- /dev/null
+++ b/libelf/elf_getshnum.c
@@ -0,0 +1,64 @@
+/* Return number of sections in the ELF file.
+ Copyright (C) 2002 Red Hat, Inc.
+ Written by Ulrich Drepper <[email protected]>, 2002.
+
+ This program 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.
+
+ This program 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, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <gelf.h>
+#include <stddef.h>
+
+#include "libelfP.h"
+
+
+int
+elf_getshnum (elf, dst)
+ Elf *elf;
+ size_t *dst;
+{
+ int result = 0;
+ int idx;
+
+ if (elf == NULL)
+ return -1;
+
+ if (unlikely (elf->kind != ELF_K_ELF))
+ {
+ __libelf_seterrno (ELF_E_INVALID_HANDLE);
+ return -1;
+ }
+
+ rwlock_rdlock (elf->lock);
+
+ idx = elf->state.elf.scns_last->cnt;
+ if (idx != 0
+ || (elf->state.elf.scns_last
+ != (elf->class == ELFCLASS32
+ || (offsetof (Elf, state.elf32.scns)
+ == offsetof (Elf, state.elf64.scns))
+ ? &elf->state.elf32.scns : &elf->state.elf64.scns)))
+ /* There is at least one section. */
+ *dst = 1 + elf->state.elf.scns_last->data[idx - 1].index;
+ else
+ *dst = 0;
+
+ rwlock_unlock (elf->lock);
+
+ return result;
+}
+INTDEF(elf_getshnum)