According to strbuf.h, strbuf_detach is the sole supported method
to unwrap a memory buffer from its strbuf shell.
So we should not return the pointer of strbuf.buf directly.
What's more, some memory leakages are solved.
---
path.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/path.c b/path.c
index 969b494..b07e5a7 100644
--- a/path.c
+++ b/path.c
@@ -625,6 +625,7 @@ const char *enter_repo(const char *path, int strict)
{
static struct strbuf validated_path = STRBUF_INIT;
static struct strbuf used_path = STRBUF_INIT;
+ char * dbuf = NULL;
if (!path)
return NULL;
@@ -654,7 +655,7 @@ const char *enter_repo(const char *path, int strict)
if (used_path.buf[0] == '~') {
char *newpath = expand_user_path(used_path.buf);
if (!newpath)
- return NULL;
+ goto return_null;
strbuf_attach(&used_path, newpath, strlen(newpath),
strlen(newpath));
}
@@ -671,22 +672,22 @@ const char *enter_repo(const char *path, int strict)
strbuf_setlen(&used_path, baselen);
}
if (!suffix[i])
- return NULL;
+ goto return_null;
gitfile = read_gitfile(used_path.buf);
if (gitfile) {
strbuf_reset(&used_path);
strbuf_addstr(&used_path, gitfile);
}
if (chdir(used_path.buf))
- return NULL;
- path = validated_path.buf;
+ goto return_null;
+ path = dbuf = strbuf_detach(&validated_path, NULL);
}
else {
const char *gitfile = read_gitfile(path);
if (gitfile)
path = gitfile;
if (chdir(path))
- return NULL;
+ goto return_null;
}
if (is_git_directory(".")) {
@@ -695,6 +696,10 @@ const char *enter_repo(const char *path, int strict)
return path;
}
+return_null:
+ free(dbuf);
+ strbuf_release(&used_path);
+ strbuf_release(&validated_path);
return NULL;
}
--
2.7.4
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