diff options
Diffstat (limited to 'newlib/libc/argz/argz_add_sep.c')
| -rw-r--r-- | newlib/libc/argz/argz_add_sep.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/newlib/libc/argz/argz_add_sep.c b/newlib/libc/argz/argz_add_sep.c index 5a56ec931..7dfbb4d6e 100644 --- a/newlib/libc/argz/argz_add_sep.c +++ b/newlib/libc/argz/argz_add_sep.c @@ -23,11 +23,14 @@ _DEFUN (argz_add_sep, (argz, argz_len, str, sep), argz_create_sep (str, sep, &str_argz, &str_argz_len); - *argz_len += str_argz_len; + if (str_argz_len) + { + *argz_len += str_argz_len; - if(!(*argz = (char *)realloc(*argz, *argz_len))) - return ENOMEM; + if(!(*argz = (char *)realloc(*argz, *argz_len))) + return ENOMEM; - memcpy(*argz + last, str_argz, str_argz_len); + memcpy(*argz + last, str_argz, str_argz_len); + } return 0; } |