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-rw-r--r--src/options.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/options.cpp b/src/options.cpp
index 545d11a..9fc89cd 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -181,8 +181,8 @@ OptionParser::parse_common(int *const argc, char ***const argv, Options &opts)
*argv += 1;
int ch;
- char *arg_sector_size = NULL;
- char *arg_buffer_size = NULL;
+ const char *arg_sector_size = NULL;
+ const char *arg_buffer_size = NULL;
while ((ch = getopt(*argc, *argv, ":b:s:")) != -1) {
switch (ch) {