File xs-16-function-static.patch of Package xen.10696

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File xs-16-function-static.patch of Package xen.10696

commit c87593106305a681cf7b3fe55d7d0dcc5f95b423
Author: Juergen Gross <jgross@suse.com>
Date:   Mon Dec 5 08:48:50 2016 +0100

xenstore: make functions static
    
    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 <jgross@suse.com>
    Acked-by: Wei Liu <wei.liu2@citrix.com>

Index: xen-4.5.5-testing/tools/xenstore/xenstored_core.c
===================================================================
--- xen-4.5.5-testing.orig/tools/xenstore/xenstored_core.c
+++ xen-4.5.5-testing/tools/xenstore/xenstored_core.c
@@ -371,22 +371,6 @@ static void initialize_fds(int sock, int
 	}
 }
 
-/* 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.
@@ -644,6 +628,21 @@ unsigned int get_strings(struct buffered
 	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)
 {
@@ -681,21 +680,6 @@ void send_ack(struct connection *conn, e
 	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. */
@@ -767,15 +751,6 @@ char *canonicalize(struct connection *co
 	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;
Index: xen-4.5.5-testing/tools/xenstore/xenstored_core.h
===================================================================
--- xen-4.5.5-testing.orig/tools/xenstore/xenstored_core.h
+++ xen-4.5.5-testing/tools/xenstore/xenstored_core.h
@@ -136,24 +136,15 @@ const char *onearg(struct buffered_data
 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,
@@ -163,9 +154,6 @@ struct node *get_node(struct connection
 /* 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);
 
@@ -178,11 +166,9 @@ 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;
Index: xen-4.5.5-testing/tools/xenstore/xenstored_watch.c
===================================================================
--- xen-4.5.5-testing.orig/tools/xenstore/xenstored_watch.c
+++ xen-4.5.5-testing/tools/xenstore/xenstored_watch.c
@@ -48,6 +48,33 @@ 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.
Index: xen-4.5.5-testing/tools/xenstore/xenstored_watch.h
===================================================================
--- xen-4.5.5-testing.orig/tools/xenstore/xenstored_watch.h
+++ xen-4.5.5-testing/tools/xenstore/xenstored_watch.h
@@ -29,8 +29,6 @@ int do_unwatch(struct connection *conn,
 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 */
Index: xen-4.5.5-testing/tools/xenstore/xs.c
===================================================================
--- xen-4.5.5-testing.orig/tools/xenstore/xs.c
+++ xen-4.5.5-testing/tools/xenstore/xs.c
@@ -1244,6 +1244,117 @@ static void *read_thread(void *arg)
 }
 #endif
 
+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;
+}
+
 /*
  * Local variables:
  *  c-file-style: "linux"
Index: xen-4.5.5-testing/tools/xenstore/xs_lib.c
===================================================================
--- xen-4.5.5-testing.orig/tools/xenstore/xs_lib.c
+++ xen-4.5.5-testing/tools/xenstore/xs_lib.c
@@ -22,7 +22,6 @@
 #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. */
@@ -183,114 +182,3 @@ unsigned int xs_count_strings(const char
 
 	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;
-}

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File xs-16-function-static.patch of Package xen.10696

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