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perf_counter tools: Add more warnings and fix/annotate them

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Enable -Wextra. This found a few real bugs plus a number
of signed/unsigned type mismatches/uncleanlinesses. It
also required a few annotations

All things considered it was still worth it so lets try with
this enabled for now.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2009-07-01 12:37:06 +02:00
parent 88a69dfbc6
commit f37a291c52
27 changed files with 152 additions and 129 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
tools/perf/util/help.c
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@@ -26,7 +26,7 @@ static int term_columns(void)
return 80;
}
void add_cmdname(struct cmdnames *cmds, const char *name, int len)
void add_cmdname(struct cmdnames *cmds, const char *name, size_t len)
{
struct cmdname *ent = malloc(sizeof(*ent) + len + 1);
@@ -40,7 +40,8 @@ void add_cmdname(struct cmdnames *cmds, const char *name, int len)
static void clean_cmdnames(struct cmdnames *cmds)
{
int i;
unsigned int i;
for (i = 0; i < cmds->cnt; ++i)
free(cmds->names[i]);
free(cmds->names);
@@ -57,7 +58,7 @@ static int cmdname_compare(const void *a_, const void *b_)
static void uniq(struct cmdnames *cmds)
{
int i, j;
unsigned int i, j;
if (!cmds->cnt)
return;
@@ -71,7 +72,7 @@ static void uniq(struct cmdnames *cmds)
void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes)
{
int ci, cj, ei;
size_t ci, cj, ei;
int cmp;
ci = cj = ei = 0;
@@ -106,8 +107,9 @@ static void pretty_print_string_list(struct cmdnames *cmds, int longest)
printf(" ");
for (j = 0; j < cols; j++) {
int n = j * rows + i;
int size = space;
unsigned int n = j * rows + i;
unsigned int size = space;
if (n >= cmds->cnt)
break;
if (j == cols-1 || n + rows >= cmds->cnt)
@@ -208,7 +210,7 @@ void load_command_list(const char *prefix,
void list_commands(const char *title, struct cmdnames *main_cmds,
struct cmdnames *other_cmds)
{
int i, longest = 0;
unsigned int i, longest = 0;
for (i = 0; i < main_cmds->cnt; i++)
if (longest < main_cmds->names[i]->len)
@@ -239,7 +241,8 @@ void list_commands(const char *title, struct cmdnames *main_cmds,
int is_in_cmdlist(struct cmdnames *c, const char *s)
{
int i;
unsigned int i;
for (i = 0; i < c->cnt; i++)
if (!strcmp(s, c->names[i]->name))
return 1;
@@ -271,7 +274,8 @@ static int levenshtein_compare(const void *p1, const void *p2)
static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old)
{
int i;
unsigned int i;
ALLOC_GROW(cmds->names, cmds->cnt + old->cnt, cmds->alloc);
for (i = 0; i < old->cnt; i++)
@@ -283,7 +287,7 @@ static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old)
const char *help_unknown_cmd(const char *cmd)
{
int i, n = 0, best_similarity = 0;
unsigned int i, n = 0, best_similarity = 0;
struct cmdnames main_cmds, other_cmds;
memset(&main_cmds, 0, sizeof(main_cmds));
@@ -345,7 +349,7 @@ const char *help_unknown_cmd(const char *cmd)
exit(1);
}
int cmd_version(int argc, const char **argv, const char *prefix)
int cmd_version(int argc __used, const char **argv __used, const char *prefix __used)
{
printf("perf version %s\n", perf_version_string);
return 0;