include: make all functions __hidden

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

src/include/fexecve.h

@@ -21,7 +21,9 @@
 #ifndef _LXC_FEXECVE_H
 #define _LXC_FEXECVE_H
 
+#include "../lxc/compiler.h"
 #include <stdio.h>
-extern int fexecve(int fd, char *const argv[], char *const envp[]);
+
+__hidden extern int fexecve(int fd, char *const argv[], char *const envp[]);
 
 #endif /* _LXC_FEXECVE_H */

src/include/getgrgid_r.h

@@ -26,7 +26,9 @@
 #include <sys/types.h>
 #include <grp.h>
 
-extern int getgrgid_r(gid_t gid, struct group *gr, char *buf, size_t size,
+#include "../lxc/compiler.h"
+
+__hidden extern int getgrgid_r(gid_t gid, struct group *gr, char *buf, size_t size,
 		      struct group **res);
 
 #endif /* _GETGRGID_R_H */

src/include/getline.h

@@ -32,6 +32,8 @@
 
 #include <stdio.h>
 
-extern ssize_t getline(char **outbuf, size_t *outsize, FILE *fp);
+#include "../lxc/compiler.h"
+
+__hidden extern ssize_t getline(char **outbuf, size_t *outsize, FILE *fp);
 
 #endif

src/include/lxcmntent.h

@@ -21,6 +21,8 @@
 #ifndef _LXCMNTENT_H
 #define _LXCMNTENT_H
 
+#include "../lxc/compiler.h"
+
 #if IS_BIONIC
 struct mntent
 {
@@ -32,20 +34,21 @@ struct mntent
     int mnt_passno;
 };
 
-extern struct mntent *getmntent (FILE *stream);
-extern struct mntent *getmntent_r (FILE *stream, struct mntent *mp, char *buffer, int bufsiz);
+__hidden extern struct mntent *getmntent(FILE *stream);
+__hidden extern struct mntent *getmntent_r(FILE *stream, struct mntent *mp,
+					   char *buffer, int bufsiz);
 #endif
 
 #if !defined(HAVE_SETMNTENT) || IS_BIONIC
-FILE *setmntent (const char *file, const char *mode);
+__hidden FILE *setmntent(const char *file, const char *mode);
 #endif
 
 #if !defined(HAVE_ENDMNTENT) || IS_BIONIC
-int endmntent (FILE *stream);
+__hidden int endmntent(FILE *stream);
 #endif
 
 #if !defined(HAVE_HASMNTOPT) || IS_BIONIC
-extern char *hasmntopt (const struct mntent *mnt, const char *opt);
+__hidden extern char *hasmntopt(const struct mntent *mnt, const char *opt);
 #endif
 
 #endif

src/include/netns_ifaddrs.h

@@ -12,8 +12,8 @@ extern "C" {
 #include <stdbool.h>
 #include <sys/socket.h>
 
-#include "compiler.h"
-#include "memory_utils.h"
+#include "../lxc/compiler.h"
+#include "../lxc/memory_utils.h"
 
 struct netns_ifaddrs {
 	struct netns_ifaddrs *ifa_next;

src/include/openpty.h

@@ -6,12 +6,15 @@
 #include <termios.h>
 #include <sys/ioctl.h>
 
+#include "../lxc/memory_utils.h"
+
 /*
  * Create pseudo tty ptx pty pair with @__name and set terminal
  * attributes according to @__termp and @__winp and return handles for both
  * ends in @__aptx and @__apts.
  */
-extern int openpty(int *ptx, int *pty, char *name, const struct termios *termp,
-		   const struct winsize *winp);
+__hidden extern int openpty(int *ptx, int *pty, char *name,
+			    const struct termios *termp,
+			    const struct winsize *winp);
 
 #endif

src/include/prlimit.h

@@ -32,10 +32,12 @@
 #include <linux/resource.h>
 #include <sys/types.h>
 
+#include "../lxc/memory_utils.h"
+
 #define RLIM_SAVED_CUR RLIM_INFINITY
 #define RLIM_SAVED_MAX RLIM_INFINITY
 
-int prlimit(pid_t, int, const struct rlimit*, struct rlimit*);
-int prlimit64(pid_t, int, const struct rlimit64*, struct rlimit64*);
+__hidden int prlimit(pid_t, int, const struct rlimit *, struct rlimit *);
+__hidden int prlimit64(pid_t, int, const struct rlimit64 *, struct rlimit64 *);
 
 #endif

src/include/strchrnul.h

@@ -20,6 +20,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include "compiler.h"
+#include "../lxc/compiler.h"
 
 __hidden extern char *strchrnul(const char *s, int c_in);

src/include/strlcat.h

@@ -22,8 +22,9 @@
 #ifndef _STRLCAT_H
 #define _STRLCAT_H
 
+#include "../lxc/compiler.h"
 #include <stdio.h>
 
-extern size_t strlcat(char *src, const char *append, size_t len);
+__hidden extern size_t strlcat(char *src, const char *append, size_t len);
 
 #endif

src/include/strlcpy.h

@@ -22,8 +22,9 @@
 #ifndef _STRLCPY_H
 #define _STRLCPY_H
 
+#include "../lxc/compiler.h"
 #include <stdio.h>
 
-extern size_t strlcpy(char *, const char *, size_t);
+__hidden extern size_t strlcpy(char *, const char *, size_t);
 
 #endif