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Diffstat (limited to 'iconv/gconv_simple.c')
-rw-r--r--iconv/gconv_simple.c55
1 files changed, 44 insertions, 11 deletions
diff --git a/iconv/gconv_simple.c b/iconv/gconv_simple.c
index f769795..51e4673 100644
--- a/iconv/gconv_simple.c
+++ b/iconv/gconv_simple.c
@@ -18,6 +18,7 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include <errno.h>
#include <gconv.h>
#include <stdlib.h>
#include <string.h>
@@ -112,16 +113,20 @@ __gconv_transform_ucs4_utf8 (struct gconv_step *step,
}
else
{
+ int save_errno = errno;
do_write = 0;
do
{
const char *newinbuf = inbuf;
- size_t actually = __wmemrtombs (&data->outbuf[data->outbufavail],
- (const wchar_t **) &newinbuf,
- *inlen / sizeof (wchar_t),
- data->outbufsize - data->outbufavail,
- (mbstate_t *) data->data);
+ size_t actually;
+
+ errno = 0;
+ actually = __wmemrtombs (&data->outbuf[data->outbufavail],
+ (const wchar_t **) &newinbuf,
+ *inlen / sizeof (wchar_t),
+ data->outbufsize - data->outbufavail,
+ (mbstate_t *) data->data);
/* Remember how much we converted. */
do_write += newinbuf - inbuf;
@@ -129,6 +134,13 @@ __gconv_transform_ucs4_utf8 (struct gconv_step *step,
data->outbufavail += actually;
+ /* Check whether an illegal character appeared. */
+ if (errno != 0)
+ {
+ result = GCONV_ILLEGAL_INPUT;
+ break;
+ }
+
if (data->is_last)
{
/* This is the last step. */
@@ -159,6 +171,8 @@ __gconv_transform_ucs4_utf8 (struct gconv_step *step,
}
}
while (*inlen > 0 && result == GCONV_EMPTY_INPUT);
+
+ __set_errno (save_errno);
}
if (written != NULL && data->is_last)
@@ -201,17 +215,20 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
}
else
{
+ int save_errno = errno;
do_write = 0;
do
{
const char *newinbuf = inbuf;
- size_t actually = __wmemrtowcs ((wchar_t *) &data->outbuf[data->outbufavail],
- &newinbuf, *inlen,
- ((data->outbufsize
- - data->outbufavail)
- / sizeof (wchar_t)),
- (mbstate_t *) data->data);
+ size_t actually;
+
+ errno = 0;
+ actually = __wmemrtowcs ((wchar_t *) &data->outbuf[data->outbufavail],
+ &newinbuf, *inlen,
+ ((data->outbufsize
+ - data->outbufavail) / sizeof (wchar_t)),
+ (mbstate_t *) data->data);
/* Remember how much we converted. */
do_write += actually;
@@ -219,6 +236,20 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
data->outbufavail += actually * sizeof (wchar_t);
+ /* Check whether an illegal character appeared. */
+ if (errno != 0)
+ {
+ result = GCONV_ILLEGAL_INPUT;
+ break;
+ }
+
+ if (*inlen == 0 && !mbsinit ((mbstate_t *) data->data))
+ {
+ /* We have an incomplete character at the end. */
+ result = GCONV_INCOMPLETE_INPUT;
+ break;
+ }
+
if (data->is_last)
{
/* This is the last step. */
@@ -249,6 +280,8 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
}
}
while (*inlen > 0 && result == GCONV_EMPTY_INPUT);
+
+ __set_errno (save_errno);
}
if (written != NULL && data->is_last)