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Declare argument of nss_init const

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nss_init() does not modify its path argument, thus declare it const.
Also drop superfluous prototype.

nss.c:54:31: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
   54 |                 nsswitch_path = NSSWITCH;
      |                               ^
This commit is contained in:
Christian Göttsche
2022-01-03 12:49:02 +01:00
parent 946eb84182
commit 119cee142e
3 changed files with 2 additions and 4 deletions
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2
lib/nss.c
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@@ -38,7 +38,7 @@ static void nss_exit(void) {
}
// nsswitch_path is an argument only to support testing.
void nss_init(char *nsswitch_path) {
void nss_init(const char *nsswitch_path) {
FILE *nssfp = NULL;
char *line = NULL, *p, *token, *saveptr;
size_t len = 0;

2
lib/prototypes.h
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@@ -242,7 +242,7 @@ extern /*@null@*//*@only@*/struct passwd *get_my_pwent (void);
/* nss.c */
#include <libsubid/subid.h>
extern void nss_init(char *nsswitch_path);
extern void nss_init(const char *nsswitch_path);
extern bool nss_is_initialized(void);
struct subid_nss_ops {