diff options
| -rw-r--r-- | libbb/concat_path_file.c | 7 | ||||
| -rw-r--r-- | libbb/last_char_is.c | 5 |
2 files changed, 9 insertions, 3 deletions
diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c index 61efa9c3e..c699a84f7 100644 --- a/libbb/concat_path_file.c +++ b/libbb/concat_path_file.c @@ -13,11 +13,14 @@ extern char *concat_path_file(const char *path, const char *filename) { char *outbuf; char *lc; - + + if (!path) + path=""; lc = last_char_is(path, '/'); if (filename[0] == '/') filename++; outbuf = xmalloc(strlen(path)+strlen(filename)+1+(lc==NULL)); - sprintf(outbuf, (lc==NULL ? "%s/%s" : "%s%s"), path, filename); + sprintf(outbuf, "%s%s%s", path, (lc==NULL)? "/" : "", filename); + return outbuf; } diff --git a/libbb/last_char_is.c b/libbb/last_char_is.c index a95e57c35..4e2ee92ed 100644 --- a/libbb/last_char_is.c +++ b/libbb/last_char_is.c @@ -28,7 +28,10 @@ */ char * last_char_is(const char *s, int c) { - char *sret = (char *)s+strlen(s)-1; + char *sret; + if (!s) + return NULL; + sret = (char *)s+strlen(s)-1; if (sret>=s && *sret == c) { return sret; } else { |