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-rw-r--r--iconv/gconv.c4
-rw-r--r--iconv/gconv.h4
-rw-r--r--iconv/gconv_simple.c36
-rw-r--r--iconv/iconv_open.c46
4 files changed, 79 insertions, 11 deletions
diff --git a/iconv/gconv.c b/iconv/gconv.c
index 537d0dc..0cbb052 100644
--- a/iconv/gconv.c
+++ b/iconv/gconv.c
@@ -27,6 +27,7 @@ __gconv (gconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
size_t *outbytesleft, size_t *converted)
{
size_t last_step = cd->nsteps - 1;
+ size_t oldinbytes = *inbytesleft;
int result;
cd->data[last_step].outbuf = *outbuf;
@@ -36,9 +37,10 @@ __gconv (gconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
if (converted != NULL)
*converted = 0;
- result = (*cd->steps->fct) (cd->steps, cd->data, inbuf, inbytesleft,
+ result = (*cd->steps->fct) (cd->steps, cd->data, *inbuf, inbytesleft,
converted, inbuf == NULL || *inbuf == NULL);
+ *inbuf += oldinbytes - *inbytesleft;
*outbuf += cd->data[last_step].outbufavail;
*outbytesleft -= cd->data[last_step].outbufavail;
diff --git a/iconv/gconv.h b/iconv/gconv.h
index 45f3a6c..2c42f99 100644
--- a/iconv/gconv.h
+++ b/iconv/gconv.h
@@ -24,6 +24,8 @@
#include <sys/types.h>
#include <regex.h>
+__BEGIN_DECLS
+
/* Error codes for gconv functions. */
enum
{
@@ -202,4 +204,6 @@ extern void __gconv_transform_end_rstate __P ((struct gconv_step_data *__data));
#endif
+__END_DECLS
+
#endif /* gconv.h */
diff --git a/iconv/gconv_simple.c b/iconv/gconv_simple.c
index 91a347b..582c6f5 100644
--- a/iconv/gconv_simple.c
+++ b/iconv/gconv_simple.c
@@ -123,14 +123,23 @@ __gconv_transform_ucs4_utf8 (struct gconv_step *step,
data->outbufsize - data->outbufavail,
(mbstate_t *) data->data);
- /* Status so far. */
- result = GCONV_EMPTY_INPUT;
-
/* Remember how much we converted. */
do_write += newinbuf - inbuf;
*inlen -= (newinbuf - inbuf) * sizeof (wchar_t);
data->outbufavail += actually;
+
+ if (data->is_last)
+ {
+ /* This is the last step. */
+ result = (*inlen < sizeof (wchar_t)
+ ? GCONV_EMPTY_INPUT : GCONV_FULL_OUTPUT);
+ break;
+ }
+
+ /* Status so far. */
+ result = GCONV_EMPTY_INPUT;
+
if (data->outbufavail > 0)
{
/* Call the functions below in the chain. */
@@ -140,7 +149,7 @@ __gconv_transform_ucs4_utf8 (struct gconv_step *step,
written, 0);
/* Correct the output buffer. */
- if (newavail != data->outbufavail)
+ if (newavail != data->outbufavail && newavail > 0)
{
memmove (data->outbuf,
&data->outbuf[data->outbufavail - newavail],
@@ -204,14 +213,23 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
/ sizeof (wchar_t)),
(mbstate_t *) data->data);
- /* Status so far. */
- result = GCONV_EMPTY_INPUT;
-
/* Remember how much we converted. */
do_write += actually;
*inlen -= newinbuf - inbuf;
data->outbufavail += actually * sizeof (wchar_t);
+
+ if (data->is_last)
+ {
+ /* This is the last step. */
+ result = (data->outbufavail + sizeof (wchar_t) > data->outbufsize
+ ? GCONV_FULL_OUTPUT : GCONV_EMPTY_INPUT);
+ break;
+ }
+
+ /* Status so far. */
+ result = GCONV_EMPTY_INPUT;
+
if (data->outbufavail > 0)
{
/* Call the functions below in the chain. */
@@ -221,7 +239,7 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
written, 0);
/* Correct the output buffer. */
- if (newavail != data->outbufavail)
+ if (newavail != data->outbufavail && newavail > 0)
{
memmove (data->outbuf,
&data->outbuf[data->outbufavail - newavail],
@@ -236,5 +254,5 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
if (written != NULL && data->is_last)
*written = do_write;
- return GCONV_OK;
+ return result;
}
diff --git a/iconv/iconv_open.c b/iconv/iconv_open.c
index dadf3d9..82802b7 100644
--- a/iconv/iconv_open.c
+++ b/iconv/iconv_open.c
@@ -18,19 +18,63 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include <ctype.h>
#include <errno.h>
#include <iconv.h>
+#include <string.h>
#include <gconv.h>
+static inline void
+strip (char *s)
+{
+ int slash_count = 0;
+ char *wp;
+ wp = s;
+
+ while (*s != '\0')
+ {
+ if (isalnum (*s) || *s == '_' || *s == '-' || *s == '.')
+ *wp++ = *s;
+ else if (*s == '/')
+ {
+ if (++slash_count == 2)
+ break;
+ *wp++ = '/';
+ }
+ ++s;
+ }
+
+ while (slash_count++ < 2)
+ *wp++ = '/';
+
+ *wp = '\0';
+}
+
+
iconv_t
iconv_open (const char *tocode, const char *fromcode)
{
+ char *tocode_conv;
+ char *fromcode_conv;
+ size_t tocode_len;
+ size_t fromcode_len;
gconv_t cd;
int res;
- res = __gconv_open (tocode, fromcode, &cd);
+ /* Normalize the name. We remove all characters beside alpha-numeric,
+ '_', '-', '/', and '.'. */
+ tocode_len = strlen (tocode);
+ tocode_conv = alloca (tocode_len + 3);
+ strip (memcpy (tocode_conv, tocode, tocode_len + 1));
+
+ fromcode_len = strlen (fromcode);
+ fromcode_conv = alloca (fromcode_len + 3);
+ strip (memcpy (fromcode_conv, fromcode, fromcode_len + 1));
+
+ res = __gconv_open (tocode_conv[2] == '\0' ? tocode : tocode_conv,
+ fromcode_conv[2] == '\0' ? fromcode, fromcode_conv, &cd);
if (res != GCONV_OK)
{