diff options
| -rw-r--r-- | libbb/concat_path_file.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c index ce92310ea..6b7abf24b 100644 --- a/libbb/concat_path_file.c +++ b/libbb/concat_path_file.c @@ -11,16 +11,12 @@ extern char *concat_path_file(const char *path, const char *filename) { char *outbuf; - int l; - int flg_slash = 1; - - l = strlen(path); - if (l>0 && path[l-1] == '/') - flg_slash--; - l += strlen(filename); - if (l>0 && filename[0] == '/') - flg_slash--; - outbuf = xmalloc(l+1+flg_slash); - sprintf(outbuf, (flg_slash ? "%s/%s" : "%s%s"), path, filename); + const char *lc; + + lc = last_char_is((char*)path, '/'); + if (filename[0] == '/') + filename++; + outbuf = xmalloc(strlen(path)+strlen(filename)+1+(lc==NULL)); + sprintf(outbuf, (lc==NULL ? "%s/%s" : "%s%s"), path, filename); return outbuf; } |