Move functions used in only one source to the file where they are used
and make them static.

Remove some prototypes from headers which are no longer in use.

Signed-off-by: Juergen Gross <jgr...@suse.com>
---
 tools/xenstore/include/xenstore_lib.h |  15 -----
 tools/xenstore/xenstore_client.c      | 117 ++++++++++++++++++++++++++++++++++
 tools/xenstore/xenstored_core.c       |  55 +++++-----------
 tools/xenstore/xenstored_core.h       |  14 ----
 tools/xenstore/xenstored_watch.c      |  27 ++++++++
 tools/xenstore/xenstored_watch.h      |   2 -
 tools/xenstore/xs_lib.c               | 112 --------------------------------
 7 files changed, 159 insertions(+), 183 deletions(-)

diff --git a/tools/xenstore/include/xenstore_lib.h 
b/tools/xenstore/include/xenstore_lib.h
index 0ffbae9..866261d 100644
--- a/tools/xenstore/include/xenstore_lib.h
+++ b/tools/xenstore/include/xenstore_lib.h
@@ -76,19 +76,4 @@ bool xs_perm_to_string(const struct xs_permissions *perm,
 /* Given a string and a length, count how many strings (nul terms). */
 unsigned int xs_count_strings(const char *strings, unsigned int len);
 
-/* Sanitising (quoting) possibly-binary strings. */
-struct expanding_buffer {
-       char *buf;
-       int avail;
-};
-
-/* Ensure that given expanding buffer has at least min_avail characters. */
-char *expanding_buffer_ensure(struct expanding_buffer *, int min_avail);
-
-/* sanitise_value() may return NULL if malloc fails. */
-char *sanitise_value(struct expanding_buffer *, const char *val, unsigned len);
-
-/* *out_len_r on entry is ignored; out must be at least strlen(in)+1 bytes. */
-void unsanitise_value(char *out, unsigned *out_len_r, const char *in);
-
 #endif /* XENSTORE_LIB_H */
diff --git a/tools/xenstore/xenstore_client.c b/tools/xenstore/xenstore_client.c
index 3d14d37..dfa75a7 100644
--- a/tools/xenstore/xenstore_client.c
+++ b/tools/xenstore/xenstore_client.c
@@ -10,6 +10,7 @@
 
 #include <err.h>
 #include <errno.h>
+#include <assert.h>
 #include <fcntl.h>
 #include <getopt.h>
 #include <stdarg.h>
@@ -38,12 +39,128 @@ enum mode {
     MODE_watch,
 };
 
+/* Sanitising (quoting) possibly-binary strings. */
+struct expanding_buffer {
+       char *buf;
+       int avail;
+};
+
 static char *output_buf = NULL;
 static int output_pos = 0;
 static struct expanding_buffer ebuf;
 
 static int output_size = 0;
 
+static char *expanding_buffer_ensure(struct expanding_buffer *ebuf, int 
min_avail)
+{
+       int want;
+       char *got;
+
+       if (ebuf->avail >= min_avail)
+               return ebuf->buf;
+
+       if (min_avail >= INT_MAX/3)
+               return 0;
+
+       want = ebuf->avail + min_avail + 10;
+       got = realloc(ebuf->buf, want);
+       if (!got)
+               return 0;
+
+       ebuf->buf = got;
+       ebuf->avail = want;
+       return ebuf->buf;
+}
+
+static char *sanitise_value(struct expanding_buffer *ebuf,
+                           const char *val, unsigned len)
+{
+       int used, remain, c;
+       unsigned char *ip;
+
+#define ADD(c) (ebuf->buf[used++] = (c))
+#define ADDF(f,c) (used += sprintf(ebuf->buf+used, (f), (c)))
+
+       assert(len < INT_MAX/5);
+
+       ip = (unsigned char *)val;
+       used = 0;
+       remain = len;
+
+       if (!expanding_buffer_ensure(ebuf, remain + 1))
+               return NULL;
+
+       while (remain-- > 0) {
+               c= *ip++;
+
+               if (c >= ' ' && c <= '~' && c != '\\') {
+                       ADD(c);
+                       continue;
+               }
+
+               if (!expanding_buffer_ensure(ebuf, used + remain + 5))
+                       /* for "<used>\\nnn<remain>\0" */
+                       return 0;
+
+               ADD('\\');
+               switch (c) {
+               case '\t':  ADD('t');   break;
+               case '\n':  ADD('n');   break;
+               case '\r':  ADD('r');   break;
+               case '\\':  ADD('\\');  break;
+               default:
+                       if (c < 010) ADDF("%03o", c);
+                       else         ADDF("x%02x", c);
+               }
+       }
+
+       ADD(0);
+       assert(used <= ebuf->avail);
+       return ebuf->buf;
+
+#undef ADD
+#undef ADDF
+}
+
+static void unsanitise_value(char *out, unsigned *out_len_r, const char *in)
+{
+       const char *ip;
+       char *op;
+       unsigned c;
+       int n;
+
+       for (ip = in, op = out; (c = *ip++); *op++ = c) {
+               if (c == '\\') {
+                       c = *ip++;
+
+#define GETF(f) do {                                   \
+                       n = 0;                          \
+                       sscanf(ip, f "%n", &c, &n);     \
+                       ip += n;                        \
+               } while (0)
+
+                       switch (c) {
+                       case 't':              c= '\t';            break;
+                       case 'n':              c= '\n';            break;
+                       case 'r':              c= '\r';            break;
+                       case '\\':             c= '\\';            break;
+                       case 'x':                    GETF("%2x");  break;
+                       case '0': case '4':
+                       case '1': case '5':
+                       case '2': case '6':
+                       case '3': case '7':    --ip; GETF("%3o");  break;
+                       case 0:                --ip;               break;
+                       default:;
+                       }
+#undef GETF
+               }
+       }
+
+       *op = 0;
+
+       if (out_len_r)
+               *out_len_r = op - out;
+}
 static void
 output(const char *fmt, ...) {
     va_list ap;
diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
index f5ec585..3faab6e 100644
--- a/tools/xenstore/xenstored_core.c
+++ b/tools/xenstore/xenstored_core.c
@@ -365,22 +365,6 @@ static void initialize_fds(int sock, int 
*p_sock_pollfd_idx,
        }
 }
 
-/* Is child a subnode of parent, or equal? */
-bool is_child(const char *child, const char *parent)
-{
-       unsigned int len = strlen(parent);
-
-       /* / should really be "" for this algorithm to work, but that's a
-        * usability nightmare. */
-       if (streq(parent, "/"))
-               return true;
-
-       if (strncmp(child, parent, len) != 0)
-               return false;
-
-       return child[len] == '/' || child[len] == '\0';
-}
-
 /*
  * If it fails, returns NULL and sets errno.
  * Temporary memory allocations will be done with ctx.
@@ -638,6 +622,21 @@ unsigned int get_strings(struct buffered_data *data,
        return i;
 }
 
+static void send_error(struct connection *conn, int error)
+{
+       unsigned int i;
+
+       for (i = 0; error != xsd_errors[i].errnum; i++) {
+               if (i == ARRAY_SIZE(xsd_errors) - 1) {
+                       eprintf("xenstored: error %i untranslatable", error);
+                       i = 0; /* EINVAL */
+                       break;
+               }
+       }
+       send_reply(conn, XS_ERROR, xsd_errors[i].errstring,
+                         strlen(xsd_errors[i].errstring) + 1);
+}
+
 void send_reply(struct connection *conn, enum xsd_sockmsg_type type,
                const void *data, unsigned int len)
 {
@@ -675,21 +674,6 @@ void send_ack(struct connection *conn, enum 
xsd_sockmsg_type type)
        send_reply(conn, type, "OK", sizeof("OK"));
 }
 
-void send_error(struct connection *conn, int error)
-{
-       unsigned int i;
-
-       for (i = 0; error != xsd_errors[i].errnum; i++) {
-               if (i == ARRAY_SIZE(xsd_errors) - 1) {
-                       eprintf("xenstored: error %i untranslatable", error);
-                       i = 0;  /* EINVAL */
-                       break;
-               }
-       }
-       send_reply(conn, XS_ERROR, xsd_errors[i].errstring,
-                         strlen(xsd_errors[i].errstring) + 1);
-}
-
 static bool valid_chars(const char *node)
 {
        /* Nodes can have lots of crap. */
@@ -761,15 +745,6 @@ char *canonicalize(struct connection *conn, const char 
*node)
        return (char *)node;
 }
 
-bool check_event_node(const char *node)
-{
-       if (!node || !strstarts(node, "@")) {
-               errno = EINVAL;
-               return false;
-       }
-       return true;
-}
-
 static int send_directory(struct connection *conn, struct buffered_data *in)
 {
        struct node *node;
diff --git a/tools/xenstore/xenstored_core.h b/tools/xenstore/xenstored_core.h
index 089625f..3872dab 100644
--- a/tools/xenstore/xenstored_core.h
+++ b/tools/xenstore/xenstored_core.h
@@ -132,24 +132,15 @@ const char *onearg(struct buffered_data *in);
 unsigned int get_strings(struct buffered_data *data,
                         char *vec[], unsigned int num);
 
-/* Is child node a child or equal to parent node? */
-bool is_child(const char *child, const char *parent);
-
 void send_reply(struct connection *conn, enum xsd_sockmsg_type type,
                const void *data, unsigned int len);
 
 /* Some routines (write, mkdir, etc) just need a non-error return */
 void send_ack(struct connection *conn, enum xsd_sockmsg_type type);
 
-/* Send an error: error is usually "errno". */
-void send_error(struct connection *conn, int error);
-
 /* Canonicalize this path if possible. */
 char *canonicalize(struct connection *conn, const char *node);
 
-/* Check if node is an event node. */
-bool check_event_node(const char *node);
-
 /* Get this node, checking we have permissions. */
 struct node *get_node(struct connection *conn,
                      const void *ctx,
@@ -159,9 +150,6 @@ struct node *get_node(struct connection *conn,
 /* Get TDB context for this connection */
 TDB_CONTEXT *tdb_context(struct connection *conn);
 
-/* Destructor for tdbs: required for transaction code */
-int destroy_tdb(void *_tdb);
-
 /* Replace the tdb: required for transaction code */
 bool replace_tdb(const char *newname, TDB_CONTEXT *newtdb);
 
@@ -174,11 +162,9 @@ bool is_valid_nodename(const char *node);
 /* Tracing infrastructure. */
 void trace_create(const void *data, const char *type);
 void trace_destroy(const void *data, const char *type);
-void trace_watch_timeout(const struct connection *conn, const char *node, 
const char *token);
 void trace(const char *fmt, ...);
 void dtrace_io(const struct connection *conn, const struct buffered_data 
*data, int out);
 
-extern int event_fd;
 extern int dom0_domid;
 extern int dom0_event;
 extern int priv_domid;
diff --git a/tools/xenstore/xenstored_watch.c b/tools/xenstore/xenstored_watch.c
index 8cfc5b0..e1146ed 100644
--- a/tools/xenstore/xenstored_watch.c
+++ b/tools/xenstore/xenstored_watch.c
@@ -47,6 +47,33 @@ struct watch
        char *node;
 };
 
+static bool check_event_node(const char *node)
+{
+       if (!node || !strstarts(node, "@")) {
+               errno = EINVAL;
+               return false;
+       }
+       return true;
+}
+
+/* Is child a subnode of parent, or equal? */
+static bool is_child(const char *child, const char *parent)
+{
+       unsigned int len = strlen(parent);
+
+       /*
+        * / should really be "" for this algorithm to work, but that's a
+        * usability nightmare.
+        */
+       if (streq(parent, "/"))
+               return true;
+
+       if (strncmp(child, parent, len) != 0)
+               return false;
+
+       return child[len] == '/' || child[len] == '\0';
+}
+
 /*
  * Send a watch event.
  * Temporary memory allocations are done with ctx.
diff --git a/tools/xenstore/xenstored_watch.h b/tools/xenstore/xenstored_watch.h
index 546a5c3..c72ea6a 100644
--- a/tools/xenstore/xenstored_watch.h
+++ b/tools/xenstore/xenstored_watch.h
@@ -28,8 +28,6 @@ int do_unwatch(struct connection *conn, struct buffered_data 
*in);
 void fire_watches(struct connection *conn, void *tmp, const char *name,
                  bool recurse);
 
-void dump_watches(struct connection *conn);
-
 void conn_delete_all_watches(struct connection *conn);
 
 #endif /* _XENSTORED_WATCH_H */
diff --git a/tools/xenstore/xs_lib.c b/tools/xenstore/xs_lib.c
index 6568e82..5ef3d6d 100644
--- a/tools/xenstore/xs_lib.c
+++ b/tools/xenstore/xs_lib.c
@@ -21,7 +21,6 @@
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
-#include <assert.h>
 #include "xenstore_lib.h"
 
 /* Common routines for the Xen store daemon and client library. */
@@ -184,114 +183,3 @@ unsigned int xs_count_strings(const char *strings, 
unsigned int len)
 
        return num;
 }
-
-char *expanding_buffer_ensure(struct expanding_buffer *ebuf, int min_avail)
-{
-       int want;
-       char *got;
-
-       if (ebuf->avail >= min_avail)
-               return ebuf->buf;
-
-       if (min_avail >= INT_MAX/3)
-               return 0;
-
-       want = ebuf->avail + min_avail + 10;
-       got = realloc(ebuf->buf, want);
-       if (!got)
-               return 0;
-
-       ebuf->buf = got;
-       ebuf->avail = want;
-       return ebuf->buf;
-}
-
-char *sanitise_value(struct expanding_buffer *ebuf,
-                    const char *val, unsigned len)
-{
-       int used, remain, c;
-       unsigned char *ip;
-
-#define ADD(c) (ebuf->buf[used++] = (c))
-#define ADDF(f,c) (used += sprintf(ebuf->buf+used, (f), (c)))
-
-       assert(len < INT_MAX/5);
-
-       ip = (unsigned char *)val;
-       used = 0;
-       remain = len;
-
-       if (!expanding_buffer_ensure(ebuf, remain + 1))
-               return NULL;
-
-       while (remain-- > 0) {
-               c= *ip++;
-
-               if (c >= ' ' && c <= '~' && c != '\\') {
-                       ADD(c);
-                       continue;
-               }
-
-               if (!expanding_buffer_ensure(ebuf, used + remain + 5))
-                       /* for "<used>\\nnn<remain>\0" */
-                       return 0;
-
-               ADD('\\');
-               switch (c) {
-               case '\t':  ADD('t');   break;
-               case '\n':  ADD('n');   break;
-               case '\r':  ADD('r');   break;
-               case '\\':  ADD('\\');  break;
-               default:
-                       if (c < 010) ADDF("%03o", c);
-                       else         ADDF("x%02x", c);
-               }
-       }
-
-       ADD(0);
-       assert(used <= ebuf->avail);
-       return ebuf->buf;
-
-#undef ADD
-#undef ADDF
-}
-
-void unsanitise_value(char *out, unsigned *out_len_r, const char *in)
-{
-       const char *ip;
-       char *op;
-       unsigned c;
-       int n;
-
-       for (ip = in, op = out; (c = *ip++); *op++ = c) {
-               if (c == '\\') {
-                       c = *ip++;
-
-#define GETF(f) do {                                   \
-                       n = 0;                          \
-                        sscanf(ip, f "%n", &c, &n);    \
-                       ip += n;                        \
-               } while (0)
-
-                       switch (c) {
-                       case 't':              c= '\t';            break;
-                       case 'n':              c= '\n';            break;
-                       case 'r':              c= '\r';            break;
-                       case '\\':             c= '\\';            break;
-                       case 'x':                    GETF("%2x");  break;
-                       case '0': case '4':
-                       case '1': case '5':
-                       case '2': case '6':
-                       case '3': case '7':    --ip; GETF("%3o");  break;
-                       case 0:                --ip;               break;
-                       default:;
-                       }
-#undef GETF
-               }
-       }
-
-       *op = 0;
-
-       if (out_len_r)
-               *out_len_r = op - out;
-}
-- 
2.6.6


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