Use the full definition of the emulated function that is missing

include/sudo_compat.h

@@ -347,7 +347,7 @@ sudo_dso_public ssize_t sudo_getdelim(char ** restrict bufp, size_t * restrict b
 # define getdelim(_a, _b, _c, _d) sudo_getdelim((_a), (_b), (_c), (_d))
 #elif defined(HAVE_DECL_GETDELIM) && !HAVE_DECL_GETDELIM
 /* getdelim present in libc but missing prototype (old gcc fixed includes?) */
-ssize_t getdelim(char **bufp, size_t *bufsizep, int delim, FILE *fp);
+ssize_t getdelim(char ** restrict bufp, size_t * restrict bufsizep, int delim, FILE * restrict fp);
 #endif /* HAVE_GETDELIM */
 #ifndef HAVE_GETUSERSHELL
 sudo_dso_public char *sudo_getusershell(void);
@@ -366,20 +366,20 @@ void setusershell(void);
 void endusershell(void);
 #endif /* HAVE_GETUSERSHELL */
 #ifndef HAVE_GMTIME_R
-sudo_dso_public struct tm *sudo_gmtime_r(const time_t *, struct tm *);
+sudo_dso_public struct tm *sudo_gmtime_r(const time_t * restrict, struct tm * restrict);
 # undef gmtime_r
 # define gmtime_r(_a, _b) sudo_gmtime_r((_a), (_b))
 #endif /* HAVE_GMTIME_R */
 #ifndef HAVE_LOCALTIME_R
-sudo_dso_public struct tm *sudo_localtime_r(const time_t *, struct tm *);
+sudo_dso_public struct tm *sudo_localtime_r(const time_t * restrict, struct tm * restrict);
 # undef localtime_r
 # define localtime_r(_a, _b) sudo_localtime_r((_a), (_b))
 #endif /* HAVE_LOCALTIME_R */
 #ifndef HAVE_TIMEGM
 sudo_dso_public time_t sudo_timegm(struct tm *);
 #endif /* HAVE_TIMEGM */
 #ifndef HAVE_UTIMENSAT
-sudo_dso_public int sudo_utimensat(int fd, const char *file, const struct timespec *times, int flag);
+sudo_dso_public int sudo_utimensat(int fd, const char *file, const struct timespec times[2], int flag);
 # undef utimensat
 # define utimensat(_a, _b, _c, _d) sudo_utimensat((_a), (_b), (_c), (_d))
 #endif /* HAVE_UTIMENSAT */
@@ -389,12 +389,12 @@ sudo_dso_public int sudo_fchmodat(int dfd, const char *path, mode_t mode, int fl
 # define fchmodat(_a, _b, _c, _d) sudo_fchmodat((_a), (_b), (_c), (_d))
 #endif /* HAVE_FCHMODAT */
 #ifndef HAVE_FSTATAT
-sudo_dso_public int sudo_fstatat(int dfd, const char *path, struct stat *sb, int flag);
+sudo_dso_public int sudo_fstatat(int dfd, const char * restrict path, struct stat * restrict sb, int flag);
 # undef fstatat
 # define fstatat(_a, _b, _c, _d) sudo_fstatat((_a), (_b), (_c), (_d))
 #endif /* HAVE_FSTATAT */
 #ifndef HAVE_FUTIMENS
-sudo_dso_public int sudo_futimens(int fd, const struct timespec *times);
+sudo_dso_public int sudo_futimens(int fd, const struct timespec times[2]);
 # undef futimens
 # define futimens(_a, _b) sudo_futimens((_a), (_b))
 #endif /* HAVE_FUTIMENS */
@@ -508,12 +508,12 @@ sudo_dso_public int sudo_str2sig(const char *signame, int *signum);
 # define str2sig(_a, _b) sudo_str2sig((_a), (_b))
 #endif /* HAVE_STR2SIG */
 #if !defined(HAVE_INET_NTOP) && defined(NEED_INET_NTOP)
-sudo_dso_public char *sudo_inet_ntop(int af, const void *src, char *dst, socklen_t size);
+sudo_dso_public const char *sudo_inet_ntop(int af, const void * restrict src, char * restrict dst, socklen_t size);
 # undef inet_ntop
 # define inet_ntop(_a, _b, _c, _d) sudo_inet_ntop((_a), (_b), (_c), (_d))
 #endif /* HAVE_INET_NTOP */
 #ifndef HAVE_INET_PTON
-sudo_dso_public int sudo_inet_pton(int af, const char *src, void *dst);
+sudo_dso_public int sudo_inet_pton(int af, const char * restrict src, void * restrict dst);
 # undef inet_pton
 # define inet_pton(_a, _b, _c) sudo_inet_pton((_a), (_b), (_c))
 #endif /* HAVE_INET_PTON */

lib/util/fstatat.c

@@ -32,7 +32,7 @@
 
 #ifndef HAVE_FSTATAT
 int
-sudo_fstatat(int dfd, const char *path, struct stat *sb, int flag)
+sudo_fstatat(int dfd, const char * restrict path, struct stat * restrict sb, int flag)
 {
     int odfd, ret = -1;
 

lib/util/gmtime_r.c

@@ -36,7 +36,7 @@
  * Still has the normal gmtime() side effects.
  */
 struct tm *
-sudo_gmtime_r(const time_t *timer, struct tm *result)
+sudo_gmtime_r(const time_t * restrict timer, struct tm * restrict result)
 {
     struct tm *tm;
 

lib/util/inet_pton.c

@@ -233,7 +233,7 @@ inet_pton6(const char *src, u_char *dst)
  *	Paul Vixie, 1996.
  */
 int
-sudo_inet_pton(int af, const char *src, void *dst)
+sudo_inet_pton(int af, const char * restrict src, void * restrict dst)
 {
 	switch (af) {
 	case AF_INET:

lib/util/localtime_r.c

@@ -36,7 +36,7 @@
  * Still has the normal localtime() side effects.
  */
 struct tm *
-sudo_localtime_r(const time_t *timer, struct tm *result)
+sudo_localtime_r(const time_t * restrict timer, struct tm * restrict result)
 {
     struct tm *tm;
 

lib/util/utimens.c

@@ -106,7 +106,7 @@ utimens_ts_to_tv(int fd, const char *file, const struct timespec *ts,
  * Emulate futimens() via futimes()
  */
 int
-sudo_futimens(int fd, const struct timespec *ts)
+sudo_futimens(int fd, const struct timespec ts[2])
 {
     struct timeval tv[2], *times = NULL;
 
@@ -122,7 +122,7 @@ sudo_futimens(int fd, const struct timespec *ts)
  * Emulate futimens() via futime()
  */
 int
-sudo_futimens(int fd, const struct timespec *ts)
+sudo_futimens(int fd, const struct timespec ts[2])
 {
     struct utimbuf utb, *times = NULL;
 
@@ -142,7 +142,7 @@ sudo_futimens(int fd, const struct timespec *ts)
  * Nothing to do but fail.
  */
 int
-sudo_futimens(int fd, const struct timespec *ts)
+sudo_futimens(int fd, const struct timespec ts[2])
 {
     errno = ENOSYS;
     return -1;
@@ -154,7 +154,7 @@ sudo_futimens(int fd, const struct timespec *ts)
  * Emulate utimensat() via utimes()
  */
 int
-sudo_utimensat(int fd, const char *file, const struct timespec *ts, int flag)
+sudo_utimensat(int fd, const char *file, const struct timespec ts[2], int flag)
 {
     struct timeval tv[2], *times = NULL;
 
@@ -175,7 +175,7 @@ sudo_utimensat(int fd, const char *file, const struct timespec *ts, int flag)
  * Emulate utimensat() via utime()
  */
 int
-sudo_utimensat(int fd, const char *file, const struct timespec *ts, int flag)
+sudo_utimensat(int fd, const char *file, const struct timespec ts[2], int flag)
 {
     struct utimbuf utb, *times = NULL;