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xen/xen-warnings.diff

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Index: xen-3.2-testing/tools/misc/miniterm/miniterm.c
===================================================================
--- xen-3.2-testing.orig/tools/misc/miniterm/miniterm.c
+++ xen-3.2-testing/tools/misc/miniterm/miniterm.c
@@ -157,7 +157,7 @@ int main(int argc, char **argv)
case 0:
close(1); /* stdout not needed */
for ( c = (char)getchar(); c != ENDMINITERM; c = (char)getchar() )
- write(fd,&c,1);
+ if (write(fd,&c,1)) ;
tcsetattr(fd,TCSANOW,&oldsertio);
tcsetattr(0,TCSANOW,&oldstdtio);
close(fd);
@@ -169,19 +169,19 @@ int main(int argc, char **argv)
close(fd);
exit(-1);
default:
- write(1, start_str, strlen(start_str));
+ if (write(1, start_str, strlen(start_str))) ;
close(0); /* stdin not needed */
sa.sa_handler = child_handler;
sa.sa_flags = 0;
sigaction(SIGCHLD,&sa,NULL); /* handle dying child */
while ( !stop )
{
- read(fd,&c,1); /* modem */
+ if (read(fd,&c,1)) ; /* modem */
c = (char)c;
- write(1,&c,1); /* stdout */
+ if (write(1,&c,1)) ; /* stdout */
}
wait(NULL); /* wait for child to die or it will become a zombie */
- write(1, end_str, strlen(end_str));
+ if (write(1, end_str, strlen(end_str))) ;
break;
}
Index: xen-3.2-testing/xen/tools/symbols.c
===================================================================
--- xen-3.2-testing.orig/xen/tools/symbols.c
+++ xen-3.2-testing/xen/tools/symbols.c
@@ -81,7 +81,8 @@ static int read_symbol(FILE *in, struct
if (rc != 3) {
if (rc != EOF) {
/* skip line */
- fgets(str, 500, in);
+ if (fgets(str, sizeof(str), in) == NULL)
+ ; /* don't care */
}
return -1;
}
Index: xen-3.2-testing/tools/libxc/xc_dom_elfloader.c
===================================================================
--- xen-3.2-testing.orig/tools/libxc/xc_dom_elfloader.c
+++ xen-3.2-testing/tools/libxc/xc_dom_elfloader.c
@@ -195,8 +195,9 @@ static int xc_dom_load_elf_symtab(struct
if ( load )
{
+ void * dst = (void*)elf_section_start(&syms, shdr);
shdr2 = elf_shdr_by_index(elf, h);
- memcpy((void*)elf_section_start(&syms, shdr),
+ memcpy(dst,
elf_section_start(elf, shdr2),
size);
}
Index: xen-3.2-testing/tools/xenstore/Makefile
===================================================================
--- xen-3.2-testing.orig/tools/xenstore/Makefile
+++ xen-3.2-testing/tools/xenstore/Makefile
@@ -6,7 +6,7 @@ MAJOR = 3.0
MINOR = 0
PROFILE=#-pg
-BASECFLAGS=-Werror
+BASECFLAGS=-Werror -fno-strict-aliasing
# Make gcc generate dependencies.
BASECFLAGS += -Wp,-MD,.$(@F).d
PROG_DEP = .*.d
Index: xen-3.2-testing/tools/xenstore/xenstored_core.c
===================================================================
--- xen-3.2-testing.orig/tools/xenstore/xenstored_core.c
+++ xen-3.2-testing/tools/xenstore/xenstored_core.c
@@ -77,8 +77,8 @@ static void check_store(void);
int quota_nb_entry_per_domain = 1000;
int quota_nb_watch_per_domain = 128;
-int quota_max_entry_size = 2048; /* 2K */
-int quota_max_transaction = 10;
+unsigned int quota_max_entry_size = 2048; /* 2K */
+unsigned int quota_max_transaction = 10;
TDB_CONTEXT *tdb_context(struct connection *conn)
{
@@ -1789,10 +1789,10 @@ int main(int argc, char *argv[])
remove_local = false;
break;
case 'S':
- quota_max_entry_size = strtol(optarg, NULL, 10);
+ quota_max_entry_size = strtoul(optarg, NULL, 10);
break;
case 't':
- quota_max_transaction = strtol(optarg, NULL, 10);
+ quota_max_transaction = strtoul(optarg, NULL, 10);
break;
case 'T':
tracefile = optarg;
Index: xen-3.2-testing/tools/xenstore/xenstored_domain.c
===================================================================
--- xen-3.2-testing.orig/tools/xenstore/xenstored_domain.c
+++ xen-3.2-testing/tools/xenstore/xenstored_domain.c
@@ -212,7 +212,7 @@ void handle_event(void)
{
evtchn_port_t port;
- if ((port = xc_evtchn_pending(xce_handle)) == -1)
+ if ((port = xc_evtchn_pending(xce_handle)) == (evtchn_port_t)-1)
barf_perror("Failed to read from event fd");
if (port == virq_port)
@@ -516,7 +516,7 @@ static int dom0_init(void)
struct domain *dom0;
port = xenbus_evtchn();
- if (port == -1)
+ if (port == (evtchn_port_t)-1)
return -1;
dom0 = new_domain(NULL, 0, port);
Index: xen-3.2-testing/tools/xenstore/xenstored_transaction.c
===================================================================
--- xen-3.2-testing.orig/tools/xenstore/xenstored_transaction.c
+++ xen-3.2-testing/tools/xenstore/xenstored_transaction.c
@@ -82,7 +82,7 @@ struct transaction
struct list_head changed_domains;
};
-extern int quota_max_transaction;
+extern unsigned int quota_max_transaction;
static unsigned int generation;
/* Return tdb context to use for this connection. */
Index: xen-3.2-testing/tools/xenstore/xenstore_client.c
===================================================================
--- xen-3.2-testing.orig/tools/xenstore/xenstore_client.c
+++ xen-3.2-testing/tools/xenstore/xenstore_client.c
@@ -119,7 +119,7 @@ do_chmod(char *path, struct xs_permissio
char **xsval = xs_directory(xsh, xth, path, &xsval_n);
if (xsval) {
- int i;
+ unsigned int i;
for (i = 0; i < xsval_n; i++) {
snprintf(buf, MAX_PATH_LEN, "%s/%s", path, xsval[i]);
Index: xen-3.2-testing/tools/xenstore/xsls.c
===================================================================
--- xen-3.2-testing.orig/tools/xenstore/xsls.c
+++ xen-3.2-testing/tools/xenstore/xsls.c
@@ -24,8 +24,7 @@ void print_dir(struct xs_handle *h, char
char **e;
char newpath[STRING_MAX], *val;
int newpath_len;
- int i;
- unsigned int num, len;
+ unsigned int i, num, len;
e = xs_directory(h, XBT_NULL, path, &num);
if (e == NULL)
@@ -69,7 +68,7 @@ void print_dir(struct xs_handle *h, char
printf(":\n");
}
else {
- if (max_width < (linewid + len + TAG_LEN)) {
+ if (max_width < (int)(linewid + len + TAG_LEN)) {
printf(" = \"%.*s\\...\"",
(int)(max_width - TAG_LEN - linewid),
sanitise_value(&ebuf, val, len));
@@ -94,7 +93,7 @@ void print_dir(struct xs_handle *h, char
warn("\ncould not access permissions for %s", e[i]);
}
else {
- int i;
+ unsigned int i;
fputs(" (", stdout);
for (i = 0; i < nperms; i++) {
if (i)
Index: xen-3.2-testing/tools/libxen/src/xen_common.c
===================================================================
--- xen-3.2-testing.orig/tools/libxen/src/xen_common.c
+++ xen-3.2-testing/tools/libxen/src/xen_common.c
@@ -1051,6 +1051,8 @@ static size_t size_of_member(const abstr
default:
assert(false);
}
+
+ return 0; /* prevents a compiler warning */
}
@@ -1550,6 +1552,8 @@ get_val_as_string(const struct abstract_
default:
assert(false);
}
+
+ return NULL; /* prevents a compiler warning */
}
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