diff options
Diffstat (limited to 'iconv/iconvconfig.c')
| -rw-r--r-- | iconv/iconvconfig.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/iconv/iconvconfig.c b/iconv/iconvconfig.c index b2a868919c..c9607fb645 100644 --- a/iconv/iconvconfig.c +++ b/iconv/iconvconfig.c @@ -712,7 +712,6 @@ handle_file (const char *dir, const char *infile) static int handle_dir (const char *dir) { -#define BUF_LEN prefix_len + dirlen + sizeof "gconv-modules.d" char *cp; size_t dirlen = strlen (dir); bool found = false; @@ -726,7 +725,10 @@ handle_dir (const char *dir) } /* First, look for a gconv-modules file. */ - char buf[BUF_LEN]; + char *buf = malloc (prefix_len + dirlen + sizeof "gconv-modules.d"); + if (buf == NULL) + goto out; + cp = buf; if (dir[0] == '/') cp = mempcpy (cp, prefix, prefix_len); @@ -756,16 +758,19 @@ handle_dir (const char *dir) if (len > strlen (suffix) && strcmp (ent->d_name + len - strlen (suffix), suffix) == 0) { - /* LEN <= PATH_MAX so this alloca is not unbounded. */ - char *conf = alloca (BUF_LEN + len + 1); - cp = stpcpy (conf, buf); - sprintf (cp, "/%s", ent->d_name); + char *conf; + if (asprintf (&conf, "%s/%s", buf, ent->d_name) < 0) + continue; found |= handle_file (dir, conf); + free (conf); } } closedir (confdir); } + free (buf); + +out: if (!found) { error (0, errno, "failed to open gconv configuration files in `%s'", |