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-rw-r--r--tools/perf/util/config.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 3dd13faa6a27..780df541006d 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -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)