diff options
Diffstat (limited to 'iconv/gconv_db.c')
| -rw-r--r-- | iconv/gconv_db.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/iconv/gconv_db.c b/iconv/gconv_db.c index ce46216c2b..a441100df4 100644 --- a/iconv/gconv_db.c +++ b/iconv/gconv_db.c @@ -1,5 +1,5 @@ /* Provide access to the collection of available transformation modules. - Copyright (C) 1997-2015 Free Software Foundation, Inc. + Copyright (C) 1997-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -23,7 +23,7 @@ #include <stdlib.h> #include <string.h> #include <sys/param.h> -#include <bits/libc-lock.h> +#include <libc-lock.h> #include <locale/localeinfo.h> #include <dlfcn.h> @@ -243,6 +243,8 @@ gen_steps (struct derivation_step *best, const char *toset, struct __gconv_step *result; struct derivation_step *current; int status = __GCONV_NOMEM; + char *from_name = NULL; + char *to_name = NULL; /* First determine number of steps. */ for (current = best; current->last != NULL; current = current->last) @@ -259,12 +261,30 @@ gen_steps (struct derivation_step *best, const char *toset, current = best; while (step_cnt-- > 0) { - result[step_cnt].__from_name = (step_cnt == 0 - ? __strdup (fromset) - : (char *)current->last->result_set); - result[step_cnt].__to_name = (step_cnt + 1 == *nsteps - ? __strdup (current->result_set) - : result[step_cnt + 1].__from_name); + if (step_cnt == 0) + { + result[step_cnt].__from_name = from_name = __strdup (fromset); + if (from_name == NULL) + { + failed = 1; + break; + } + } + else + result[step_cnt].__from_name = (char *)current->last->result_set; + + if (step_cnt + 1 == *nsteps) + { + result[step_cnt].__to_name = to_name + = __strdup (current->result_set); + if (to_name == NULL) + { + failed = 1; + break; + } + } + else + result[step_cnt].__to_name = result[step_cnt + 1].__from_name; result[step_cnt].__counter = 1; result[step_cnt].__data = NULL; @@ -332,6 +352,8 @@ gen_steps (struct derivation_step *best, const char *toset, while (++step_cnt < *nsteps) __gconv_release_step (&result[step_cnt]); free (result); + free (from_name); + free (to_name); *nsteps = 0; *handle = NULL; if (status == __GCONV_OK) @@ -828,8 +850,9 @@ free_modules_db (struct gconv_module *node) /* Free all resources if necessary. */ libc_freeres_fn (free_mem) { - /* First free locale memory. This needs to be done before freeing derivations, - as ctype cleanup functions dereference steps arrays which we free below. */ + /* First free locale memory. This needs to be done before freeing + derivations, as ctype cleanup functions dereference steps arrays which we + free below. */ _nl_locale_subfreeres (); /* finddomain.c has similar problem. */ |