diff options
Diffstat (limited to 'iconv/gconv_open.c')
| -rw-r--r-- | iconv/gconv_open.c | 76 |
1 files changed, 57 insertions, 19 deletions
diff --git a/iconv/gconv_open.c b/iconv/gconv_open.c index 7a17b7005a..c54054a3e5 100644 --- a/iconv/gconv_open.c +++ b/iconv/gconv_open.c @@ -184,10 +184,14 @@ __gconv_open (const char *toset, const char *fromset, __gconv_t *handle, /* Call all initialization functions for the transformation step implementations. */ - for (cnt = 0; cnt < nsteps; ++cnt) + for (cnt = 0; cnt < nsteps - 1; ++cnt) { size_t size; + /* If this is the last step we must not allocate an + output buffer. */ + result->__data[cnt].__flags = conv_flags; + /* Would have to be done if we would not clear the whole array above. */ #if 0 @@ -201,6 +205,16 @@ __gconv_open (const char *toset, const char *fromset, __gconv_t *handle, /* We use the `mbstate_t' member in DATA. */ result->__data[cnt].__statep = &result->__data[cnt].__state; + /* Allocate the buffer. */ + size = (GCONV_NCHAR_GOAL * steps[cnt].__max_needed_to); + + result->__data[cnt].__outbuf = (char *) malloc (size); + if (result->__data[cnt].__outbuf == NULL) + goto bail; + + result->__data[cnt].__outbufend = + result->__data[cnt].__outbuf + size; + /* Now see whether we can use any of the transliteration modules for this step. */ for (runp = trans; runp != NULL; runp = runp->next) @@ -241,33 +255,57 @@ __gconv_open (const char *toset, const char *fromset, __gconv_t *handle, } break; } + } - result->__steps[cnt].__data = &result->__data[cnt]; + /* Now handle the last entry. */ + result->__data[cnt].__flags = conv_flags | __GCONV_IS_LAST; + /* Would have to be done if we would not clear the whole + array above. */ +#if 0 + result->__data[cnt].__invocation_counter = 0; + result->__data[cnt].__internal_use = 0; +#endif + result->__data[cnt].__statep = &result->__data[cnt].__state; - /* If this is the last step we must not allocate an - output buffer. */ - if (cnt < nsteps - 1) + /* Now see whether we can use the transliteration module + for this step. */ + for (runp = trans; runp != NULL; runp = runp->next) + for (n = 0; n < runp->ncsnames; ++n) + if (__strcasecmp (steps[cnt].__from_name, runp->csnames[n]) == 0) { - result->__data[cnt].__flags = conv_flags; + void *data = NULL; - /* Allocate the buffer. */ - size = (GCONV_NCHAR_GOAL * steps[cnt].__max_needed_to); + /* Match! Now try the initializer. */ + if (runp->trans_init_fct == NULL + || (runp->trans_init_fct (data, steps[cnt].__to_name) + == __GCONV_OK)) + { + /* Append at the end of the list. */ + struct __gconv_trans_data *newp; + struct __gconv_trans_data *endp; + struct __gconv_trans_data *lastp; - result->__data[cnt].__outbuf = (char *) malloc (size); - if (result->__data[cnt].__outbuf == NULL) - goto bail; + newp = (struct __gconv_trans_data *) + malloc (sizeof (struct __gconv_trans_data)); + if (newp == NULL) + goto bail; - result->__data[cnt].__outbufend = - result->__data[cnt].__outbuf + size; - } - else - { - /* Handle the last entry. */ - result->__data[cnt].__flags = conv_flags | __GCONV_IS_LAST; + newp->__trans_fct = runp->trans_fct; + newp->__trans_context_fct = runp->trans_context_fct; + newp->__trans_end_fct = runp->trans_end_fct; + lastp = NULL; + for (endp = result->__data[cnt].__trans; + endp != NULL; endp = endp->__next) + lastp = endp; + + if (lastp == NULL) + result->__data[cnt].__trans = newp; + else + lastp->__next = newp; + } break; } - } } if (res != __GCONV_OK) |