Use strdup() instead of fixed PATH_MAX buffer for storing paths to not
waste memory.
Suggested-by: Ian Rogers <irogers@google.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: James Clark <james.clark@linaro.org>
---
Applies on top of: https://lore.kernel.org/linux-perf-users/CAP-5=fV1N-j+f4GBFnDWsmoMZcz_k0U=nu1A7NZz-g4gzCH4KA@mail.gmail.com/T/#t
Changes since v1: handle strdup() failure
tools/perf/tests/code-reading.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 4c9fbf6965c4..1acb12b1a2eb 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -43,7 +43,7 @@
struct tested_section {
struct rb_node rb_node;
u64 addr;
- char path[PATH_MAX];
+ char *path;
};
static bool tested_code_insert_or_exists(const char *path, u64 addr,
@@ -79,7 +79,11 @@ static bool tested_code_insert_or_exists(const char *path, u64 addr,
return true;
data->addr = addr;
- strlcpy(data->path, path, sizeof(data->path));
+ data->path = strdup(path);
+ if (!data->path) {
+ free(data);
+ return true;
+ }
rb_link_node(&data->rb_node, parent, node);
rb_insert_color(&data->rb_node, tested_sections);
return false;
@@ -94,6 +98,7 @@ static void tested_sections__free(struct rb_root *root)
rb_node);
rb_erase(node, root);
+ free(ts->path);
free(ts);
}
}
--
2.34.1