Change getopt optstring parameter type to const char *.
Also change type to const char * of tmp variable which
pointed to optstring. This will only handle readonly.
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
include/getopt.h | 2 +-
lib/getopt.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/getopt.h b/include/getopt.h
index f23175f..4f48ba8 100644
--- a/include/getopt.h
+++ b/include/getopt.h
@@ -35,7 +35,7 @@ extern char *optarg;
* - options can be mixed with nonoptions (like ls /bin -R)
*/
-int getopt(int argc, char *argv[], char *optstring);
+int getopt(int argc, char *argv[], const char *optstring);
struct getopt_context {
int opterr;
diff --git a/lib/getopt.c b/lib/getopt.c
index ead9150..fd12a88 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -56,10 +56,10 @@ void getopt_context_restore(struct getopt_context *gc)
}
EXPORT_SYMBOL(getopt_context_restore);
-int getopt(int argc, char *argv[], char *optstring)
+int getopt(int argc, char *argv[], const char *optstring)
{
char curopt; /* current option character */
- char *curoptp; /* pointer to the current option in optstring */
+ const char *curoptp; /* pointer to the current option in optstring */
while(1) {
debug("optindex: %d nonopts: %d optind: %d\n", optindex, nonopts, optind);
--
1.8.1.2
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