diff options
Diffstat (limited to 'path.c')
| -rw-r--r-- | path.c | 40 |
1 files changed, 40 insertions, 0 deletions
@@ -122,6 +122,44 @@ char *git_path(const char *fmt, ...) return cleanup_path(pathname); } +char *git_path_submodule(const char *path, const char *fmt, ...) +{ + char *pathname = get_pathname(); + struct strbuf buf = STRBUF_INIT; + const char *git_dir; + va_list args; + unsigned len; + + len = strlen(path); + if (len > PATH_MAX-100) + return bad_path; + + strbuf_addstr(&buf, path); + if (len && path[len-1] != '/') + strbuf_addch(&buf, '/'); + strbuf_addstr(&buf, ".git"); + + git_dir = read_gitfile_gently(buf.buf); + if (git_dir) { + strbuf_reset(&buf); + strbuf_addstr(&buf, git_dir); + } + strbuf_addch(&buf, '/'); + + if (buf.len >= PATH_MAX) + return bad_path; + memcpy(pathname, buf.buf, buf.len + 1); + + strbuf_release(&buf); + len = strlen(pathname); + + va_start(args, fmt); + len += vsnprintf(pathname + len, PATH_MAX - len, fmt, args); + va_end(args); + if (len >= PATH_MAX) + return bad_path; + return cleanup_path(pathname); +} /* git_mkstemp() - create tmp file honoring TMPDIR variable */ int git_mkstemp(char *path, size_t len, const char *template) @@ -316,6 +354,8 @@ char *expand_user_path(const char *path) size_t username_len = first_slash - username; if (username_len == 0) { const char *home = getenv("HOME"); + if (!home) + goto return_null; strbuf_add(&user_path, home, strlen(home)); } else { struct passwd *pw = getpw_str(username, username_len); |