apply hidden visibility to various remaining internal interfaces

src/crypt/crypt_des.h

@@ -7,8 +7,8 @@ struct expanded_key {
 	uint32_t l[16], r[16];
 };
 
-void __des_setkey(const unsigned char *, struct expanded_key *);
-void __do_des(uint32_t, uint32_t, uint32_t *, uint32_t *,
-              uint32_t, uint32_t, const struct expanded_key *);
+hidden void __des_setkey(const unsigned char *, struct expanded_key *);
+hidden void __do_des(uint32_t, uint32_t, uint32_t *, uint32_t *,
+                     uint32_t, uint32_t, const struct expanded_key *);
 
 #endif

src/internal/floatscan.h

@@ -3,6 +3,6 @@
 
 #include <stdio.h>
 
-long double __floatscan(FILE *, int, int);
+hidden long double __floatscan(FILE *, int, int);
 
 #endif

src/internal/intscan.h

@@ -3,6 +3,6 @@
 
 #include <stdio.h>
 
-unsigned long long __intscan(FILE *, unsigned, int, unsigned long long);
+hidden unsigned long long __intscan(FILE *, unsigned, int, unsigned long long);
 
 #endif

src/internal/libc.h

@@ -36,9 +36,9 @@ struct __libc {
 extern hidden struct __libc __libc;
 #define libc __libc
 
-void __init_libc(char **, char *);
-void __init_tls(size_t *);
-void __libc_start_init(void);
+hidden void __init_libc(char **, char *);
+hidden void __init_tls(size_t *);
+hidden void __libc_start_init(void);
 
 extern hidden size_t __hwcap;
 extern hidden size_t __sysinfo;
@@ -54,8 +54,8 @@ hidden void __unlockfile(FILE *);
 #define LOCK(x) __lock(x)
 #define UNLOCK(x) __unlock(x)
 
-void __synccall(void (*)(void *), void *);
-int __setxid(int, int, int, int);
+hidden void __synccall(void (*)(void *), void *);
+hidden int __setxid(int, int, int, int);
 
 #undef LFS64_2
 #define LFS64_2(x, y) weak_alias(x, y)

src/internal/locale_impl.h

@@ -15,15 +15,15 @@ struct __locale_map {
 	const struct __locale_map *next;
 };
 
-extern const struct __locale_map __c_dot_utf8;
-extern const struct __locale_struct __c_locale;
-extern const struct __locale_struct __c_dot_utf8_locale;
-
-const struct __locale_map *__get_locale(int, const char *);
-const char *__mo_lookup(const void *, size_t, const char *);
-const char *__lctrans(const char *, const struct __locale_map *);
-const char *__lctrans_cur(const char *);
-int __loc_is_allocated(locale_t);
+extern hidden const struct __locale_map __c_dot_utf8;
+extern hidden const struct __locale_struct __c_locale;
+extern hidden const struct __locale_struct __c_dot_utf8_locale;
+
+hidden const struct __locale_map *__get_locale(int, const char *);
+hidden const char *__mo_lookup(const void *, size_t, const char *);
+hidden const char *__lctrans(const char *, const struct __locale_map *);
+hidden const char *__lctrans_cur(const char *);
+hidden int __loc_is_allocated(locale_t);
 
 #define LCTRANS(msg, lc, loc) __lctrans(msg, (loc)->cat[(lc)])
 #define LCTRANS_CUR(msg) __lctrans_cur(msg)

src/internal/malloc_impl.h

@@ -4,11 +4,11 @@
 #include "libc.h"
 #include <sys/mman.h>
 
-void *__expand_heap(size_t *);
+hidden void *__expand_heap(size_t *);
 
-void __malloc_donate(char *, char *);
+hidden void __malloc_donate(char *, char *);
 
-void *__memalign(size_t, size_t);
+hidden void *__memalign(size_t, size_t);
 
 struct chunk {
 	size_t psize, csize;

src/internal/shgetc.h

@@ -1,7 +1,7 @@
 #include "stdio_impl.h"
 
-void __shlim(FILE *, off_t);
-int __shgetc(FILE *);
+hidden void __shlim(FILE *, off_t);
+hidden int __shgetc(FILE *);
 
 #define shcnt(f) ((f)->shcnt + ((f)->rpos - (f)->rend))
 #define shlim(f, lim) __shlim((f), (lim))

src/internal/syscall.h

@@ -244,8 +244,8 @@ hidden long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...),
 #define __sys_open_cp(...) __SYSCALL_DISP(__sys_open_cp,,__VA_ARGS__)
 #define sys_open_cp(...) __syscall_ret(__sys_open_cp(__VA_ARGS__))
 
-void __procfdname(char [static 15+3*sizeof(int)], unsigned);
+hidden void __procfdname(char [static 15+3*sizeof(int)], unsigned);
 
-void *__vdsosym(const char *, const char *);
+hidden void *__vdsosym(const char *, const char *);
 
 #endif

src/locale/pleval.h

@@ -1,6 +1,8 @@
 #ifndef PLEVAL_H
 #define PLEVAL_H
 
-unsigned long __pleval(const char *, unsigned long);
+#include <features.h>
+
+hidden unsigned long __pleval(const char *, unsigned long);
 
 #endif

src/math/__invtrigl.h

@@ -1,3 +1,5 @@
+#include <features.h>
+
 /* shared by acosl, asinl and atan2l */
 #define pio2_hi __pio2_hi
 #define pio2_lo __pio2_lo

src/network/lookup.h

@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <stddef.h>
+#include <features.h>
 
 struct address {
 	int family;
@@ -30,13 +31,13 @@ struct resolvconf {
 #define MAXADDRS 48
 #define MAXSERVS 2
 
-int __lookup_serv(struct service buf[static MAXSERVS], const char *name, int proto, int socktype, int flags);
-int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags);
-int __lookup_ipliteral(struct address buf[static 1], const char *name, int family);
+hidden int __lookup_serv(struct service buf[static MAXSERVS], const char *name, int proto, int socktype, int flags);
+hidden int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags);
+hidden int __lookup_ipliteral(struct address buf[static 1], const char *name, int family);
 
-int __get_resolv_conf(struct resolvconf *, char *, size_t);
-int __res_msend_rc(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int, const struct resolvconf *);
+hidden int __get_resolv_conf(struct resolvconf *, char *, size_t);
+hidden int __res_msend_rc(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int, const struct resolvconf *);
 
-int __dns_parse(const unsigned char *, int, int (*)(void *, int, const void *, int, const void *), void *);
+hidden int __dns_parse(const unsigned char *, int, int (*)(void *, int, const void *, int, const void *), void *);
 
 #endif

src/network/netlink.h

@@ -91,4 +91,4 @@ struct ifaddrmsg {
 #define NLMSG_RTA(nlh,len)	((void*)((char*)(nlh)+sizeof(struct nlmsghdr)+NETLINK_ALIGN(len)))
 #define NLMSG_RTAOK(rta,nlh)	RTA_OK(rta,NLMSG_DATAEND(nlh))
 
-int __rtnetlink_enumerate(int link_af, int addr_af, int (*cb)(void *ctx, struct nlmsghdr *h), void *ctx);
+hidden int __rtnetlink_enumerate(int link_af, int addr_af, int (*cb)(void *ctx, struct nlmsghdr *h), void *ctx);

src/passwd/nscd.h

@@ -39,6 +39,6 @@
 #define INITGRNGRPS 2
 #define INITGR_LEN 3
 
-FILE *__nscd_query(int32_t req, const char *key, int32_t *buf, size_t len, int *swap);
+hidden FILE *__nscd_query(int32_t req, const char *key, int32_t *buf, size_t len, int *swap);
 
 #endif

src/passwd/pwf.h

@@ -8,8 +8,8 @@
 #include <limits.h>
 #include "libc.h"
 
-int __getpwent_a(FILE *f, struct passwd *pw, char **line, size_t *size, struct passwd **res);
-int __getpw_a(const char *name, uid_t uid, struct passwd *pw, char **buf, size_t *size, struct passwd **res);
-int __getgrent_a(FILE *f, struct group *gr, char **line, size_t *size, char ***mem, size_t *nmem, struct group **res);
-int __getgr_a(const char *name, gid_t gid, struct group *gr, char **buf, size_t *size, char ***mem, size_t *nmem, struct group **res);
-int __parsespent(char *s, struct spwd *sp);
+hidden int __getpwent_a(FILE *f, struct passwd *pw, char **line, size_t *size, struct passwd **res);
+hidden int __getpw_a(const char *name, uid_t uid, struct passwd *pw, char **buf, size_t *size, struct passwd **res);
+hidden int __getgrent_a(FILE *f, struct group *gr, char **line, size_t *size, char ***mem, size_t *nmem, struct group **res);
+hidden int __getgr_a(const char *name, gid_t gid, struct group *gr, char **buf, size_t *size, char ***mem, size_t *nmem, struct group **res);
+hidden int __parsespent(char *s, struct spwd *sp);

src/prng/rand48.h

@@ -1,4 +1,5 @@
 #include <stdint.h>
+#include <features.h>
 
-uint64_t __rand48_step(unsigned short *xi, unsigned short *lc);
-extern unsigned short __seed48[7];
+hidden uint64_t __rand48_step(unsigned short *xi, unsigned short *lc);
+extern hidden unsigned short __seed48[7];

src/regex/tre.h

@@ -191,9 +191,9 @@ typedef struct tre_mem_struct {
 #define tre_mem_alloc_impl __tre_mem_alloc_impl
 #define tre_mem_destroy    __tre_mem_destroy
 
-tre_mem_t tre_mem_new_impl(int provided, void *provided_block);
-void *tre_mem_alloc_impl(tre_mem_t mem, int provided, void *provided_block,
-			 int zero, size_t size);
+hidden tre_mem_t tre_mem_new_impl(int provided, void *provided_block);
+hidden void *tre_mem_alloc_impl(tre_mem_t mem, int provided, void *provided_block,
+                                int zero, size_t size);
 
 /* Returns a new memory allocator or NULL if out of memory. */
 #define tre_mem_new()  tre_mem_new_impl(0, NULL)
@@ -222,7 +222,7 @@ void *tre_mem_alloc_impl(tre_mem_t mem, int provided, void *provided_block,
 
 
 /* Frees the memory allocator and all memory allocated with it. */
-void tre_mem_destroy(tre_mem_t mem);
+hidden void tre_mem_destroy(tre_mem_t mem);
 
 #define xmalloc malloc
 #define xcalloc calloc