[PATCH 05/19] display_debug_lines_decoded
Alan Modra
amodra@gmail.com
Sat May 15 08:09:43 GMT 2021
The directory_table strnlen used the negative of the proper size. After
fixing that I realised we don't need strnlen here.
* dwarf.c (display_debug_lines_decoded): Don't use strnlen when
we have already checked for NUL termination.
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 4f69dbb8f85..e881ceecb79 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -5042,8 +5042,8 @@ display_debug_lines_decoded (struct dwarf_section * section,
while (*ptr_directory_table != 0)
{
directory_table[i] = ptr_directory_table;
- ptr_directory_table += strnlen ((char *) ptr_directory_table,
- ptr_directory_table - end) + 1;
+ ptr_directory_table
+ += strlen ((char *) ptr_directory_table) + 1;
i++;
}
}
@@ -5082,8 +5082,8 @@ display_debug_lines_decoded (struct dwarf_section * section,
while (*ptr_file_name_table != 0)
{
file_table[i].name = ptr_file_name_table;
- ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
- end - ptr_file_name_table) + 1;
+ ptr_file_name_table
+ += strlen ((char *) ptr_file_name_table) + 1;
/* We are not interested in directory, time or size. */
READ_ULEB (file_table[i].directory_index,
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