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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
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18
tools/perf/util/config.c
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@@ -47,10 +47,12 @@ static int get_next_char(void)
static char *parse_value(void)
{
static char value[1024];
int quote = 0, comment = 0, len = 0, space = 0;
int quote = 0, comment = 0, space = 0;
size_t len = 0;
for (;;) {
int c = get_next_char();
if (len >= sizeof(value) - 1)
return NULL;
if (c == '\n') {
@@ -353,13 +355,13 @@ int perf_config_string(const char **dest, const char *var, const char *value)
return 0;
}
static int perf_default_core_config(const char *var, const char *value)
static int perf_default_core_config(const char *var __used, const char *value __used)
{
/* Add other config variables here and to Documentation/config.txt. */
return 0;
}
int perf_default_config(const char *var, const char *value, void *dummy)
int perf_default_config(const char *var, const char *value, void *dummy __used)
{
if (!prefixcmp(var, "core."))
return perf_default_core_config(var, value);
@@ -471,10 +473,10 @@ static int matches(const char* key, const char* value)
!regexec(store.value_regex, value, 0, NULL, 0)));
}
static int store_aux(const char* key, const char* value, void *cb)
static int store_aux(const char* key, const char* value, void *cb __used)
{
int section_len;
const char *ep;
size_t section_len;
switch (store.state) {
case KEY_SEEN:
@@ -551,7 +553,7 @@ static int store_write_section(int fd, const char* key)
strbuf_addf(&sb, "[%.*s]\n", store.baselen, key);
}
success = write_in_full(fd, sb.buf, sb.len) == sb.len;
success = (write_in_full(fd, sb.buf, sb.len) == (ssize_t)sb.len);
strbuf_release(&sb);
return success;
@@ -599,7 +601,7 @@ static int store_write_pair(int fd, const char* key, const char* value)
}
strbuf_addf(&sb, "%s\n", quote);
success = write_in_full(fd, sb.buf, sb.len) == sb.len;
success = (write_in_full(fd, sb.buf, sb.len) == (ssize_t)sb.len);
strbuf_release(&sb);
return success;
@@ -741,7 +743,7 @@ int perf_config_set_multivar(const char* key, const char* value,
} else {
struct stat st;
char* contents;
size_t contents_sz, copy_begin, copy_end;
ssize_t contents_sz, copy_begin, copy_end;
int i, new_line = 0;
if (value_regex == NULL)