diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | posix/glob.c | 7 |
2 files changed, 9 insertions, 2 deletions
@@ -1,3 +1,7 @@ +2017-12-19 Adhemerval Zanella <adhemerval.zanella@linaro.org> + + * lib/glob.c (glob): Do not pass NULL to mempcpy. + 2017-12-19 Joseph Myers <joseph@codesourcery.com> * sysdeps/x86_64/fpu/libm-test-ulps: Update. diff --git a/posix/glob.c b/posix/glob.c index cb39779d07..511ec4bbc0 100644 --- a/posix/glob.c +++ b/posix/glob.c @@ -826,6 +826,7 @@ __glob (const char *pattern, int flags, int (*errfunc) (const char *, int), { size_t home_len = strlen (p->pw_dir); size_t rest_len = end_name == NULL ? 0 : strlen (end_name); + char *d; if (__glibc_unlikely (malloc_dirname)) free (dirname); @@ -845,8 +846,10 @@ __glob (const char *pattern, int flags, int (*errfunc) (const char *, int), } malloc_dirname = 1; } - *((char *) mempcpy (mempcpy (dirname, p->pw_dir, home_len), - end_name, rest_len)) = '\0'; + d = mempcpy (dirname, p->pw_dir, home_len); + if (end_name != NULL) + d = mempcpy (d, end_name, rest_len); + *d = '\0'; dirlen = home_len + rest_len; dirname_modified = 1; |