diff options
Diffstat (limited to 'iconv/iconv_prog.c')
| -rw-r--r-- | iconv/iconv_prog.c | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/iconv/iconv_prog.c b/iconv/iconv_prog.c index 00b4b95672..e71f8d7369 100644 --- a/iconv/iconv_prog.c +++ b/iconv/iconv_prog.c @@ -39,6 +39,7 @@ #include <charmap.h> #include <gconv_int.h> #include "iconv_prog.h" +#include "iconvconfig.h" /* Get libc version number. */ #include "../version.h" @@ -46,6 +47,9 @@ #define PACKAGE _libc_intl_domainname +/* Defined in gconv_cache.c. */ +extern void *__gconv_cache; + /* Name and version of program. */ static void print_version (FILE *stream, struct argp_state *state); void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version; @@ -653,7 +657,7 @@ add_known_names (struct gconv_module *node) if (strcmp (node->from_string, "INTERNAL")) tsearch (node->from_string, &printlist, (__compar_fn_t) strverscmp); - if (strcmp (node->to_string, "INTERNAL")) + if (strcmp (node->to_string, "INTERNAL") != 0) tsearch (node->to_string, &printlist, (__compar_fn_t) strverscmp); node = node->same; @@ -661,6 +665,31 @@ add_known_names (struct gconv_module *node) while (node != NULL); } + +static void +insert_cache (void) +{ + const struct gconvcache_header *header; + const char *strtab; + const struct hash_entry *hashtab; + size_t cnt; + + header = (const struct gconvcache_header *) __gconv_cache; + strtab = (char *) __gconv_cache + header->string_offset; + hashtab = (struct hash_entry *) ((char *) __gconv_cache + + header->hash_offset); + + for (cnt = 0; cnt < header->hash_size; ++cnt) + if (hashtab[cnt].string_offset != 0) + { + const char *str = strtab + hashtab[cnt].string_offset; + + if (strcmp (str, "INTERNAL") != 0) + tsearch (str, &printlist, (__compar_fn_t) strverscmp); + } +} + + static void internal_function print_known_names (void) @@ -671,11 +700,20 @@ print_known_names (void) h = iconv_open ("L1", "L1"); iconv_close (h); - /* First add the aliases. */ - twalk (__gconv_alias_db, insert_print_list); + /* See whether we have a cache. */ + if (__gconv_cache != NULL) + /* Yep, use only this information. */ + insert_cache (); + else + { + /* No, then use the information read from the gconv-modules file. + First add the aliases. */ + twalk (__gconv_alias_db, insert_print_list); - /* Add the from- and to-names from the known modules. */ - add_known_names (__gconv_modules_db); + /* Add the from- and to-names from the known modules. */ + if (__gconv_modules_db != NULL) + add_known_names (__gconv_modules_db); + } fputs (_("\ The following list contain all the coded character sets known. This does\n\ |