diff options
Diffstat (limited to 'locale/duplocale.c')
| -rw-r--r-- | locale/duplocale.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/locale/duplocale.c b/locale/duplocale.c index f8e8e7299e..df856a2a83 100644 --- a/locale/duplocale.c +++ b/locale/duplocale.c @@ -33,15 +33,39 @@ __locale_t __duplocale (__locale_t dataset) { __locale_t result; + int cnt; /* We modify global data. */ __libc_lock_lock (__libc_setlocale_lock); /* Get memory. */ result = (__locale_t) malloc (sizeof (struct __locale_struct)); + + if (result != NULL) + /* Duplicate the names in a separate loop first so we can + bail out if strdup fails and not have touched usage_counts. */ + for (cnt = 0; cnt < __LC_LAST; ++cnt) + if (cnt != LC_ALL) + { + if (dataset->__names[cnt] == _nl_C_name) + result->__names[cnt] = _nl_C_name; + else + { + result->__names[cnt] = __strdup (dataset->__names[cnt]); + if (result->__names[cnt] == NULL) + { + while (cnt-- > 0) + if (dataset->__names[cnt] != _nl_C_name) + free ((char *) dataset->__names[cnt]); + free (result); + result = NULL; + break; + } + } + } + if (result != NULL) { - int cnt; for (cnt = 0; cnt < __LC_LAST; ++cnt) if (cnt != LC_ALL) { |