pmaports/gcc-armhf/fix-gcj-iconv-musl.patch
Oliver Smith 1c0ff6aa23 Put postmarketOS aports inside pmbootstrap repo
Later, the aports folder will probably get split up in its own repository.
But right now this is simply convenient.
2017-05-26 22:26:25 +02:00

120 lines
3.3 KiB
Diff

--- gcc-4.8.2/libjava/gnu/gcj/convert/natIconv.cc.orig 2014-02-18 18:46:14.897880526 +0200
+++ gcc-4.8.2/libjava/gnu/gcj/convert/natIconv.cc 2014-02-18 18:50:08.766613550 +0200
@@ -24,6 +24,13 @@
#ifdef HAVE_ICONV
#include <iconv.h>
+#include <endian.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define UCS2_CHARSET "UCS-2BE"
+#else
+#define UCS2_CHARSET "UCS-2LE"
+#endif
template<typename T>
static inline size_t
@@ -45,7 +52,7 @@
_Jv_GetStringUTFRegion (encoding, 0, encoding->length(), buffer);
buffer[len] = '\0';
- iconv_t h = iconv_open ("UCS-2", buffer);
+ iconv_t h = iconv_open (UCS2_CHARSET, buffer);
if (h == (iconv_t) -1)
throw new ::java::io::UnsupportedEncodingException (encoding);
@@ -99,18 +106,6 @@
throw new ::java::io::CharConversionException ();
}
- if (iconv_byte_swap)
- {
- size_t max = (old_out - outavail) / sizeof (jchar);
- for (size_t i = 0; i < max; ++i)
- {
- // Byte swap.
- jchar c = (((out[outpos + i] & 0xff) << 8)
- | ((out[outpos + i] >> 8) & 0xff));
- outbuf[i] = c;
- }
- }
-
inpos += old_in - inavail;
return (old_out - outavail) / sizeof (jchar);
#else /* HAVE_ICONV */
@@ -145,7 +140,7 @@
_Jv_GetStringUTFRegion (encoding, 0, encoding->length(), buffer);
buffer[len] = '\0';
- iconv_t h = iconv_open (buffer, "UCS-2");
+ iconv_t h = iconv_open (buffer, UCS2_CHARSET);
if (h == (iconv_t) -1)
throw new ::java::io::UnsupportedEncodingException (encoding);
@@ -187,20 +182,6 @@
char *inbuf = (char *) &chars[inpos];
char *outbuf = (char *) &out[count];
- if (iconv_byte_swap)
- {
- // Ugly performance penalty -- don't use losing systems!
- temp_buffer = (jchar *) _Jv_Malloc (inlength * sizeof (jchar));
- for (int i = 0; i < inlength; ++i)
- {
- // Byte swap.
- jchar c = (((chars[inpos + i] & 0xff) << 8)
- | ((chars[inpos + i] >> 8) & 0xff));
- temp_buffer[i] = c;
- }
- inbuf = (char *) temp_buffer;
- }
-
size_t loop_old_in = old_in;
while (1)
{
@@ -252,44 +233,7 @@
jboolean
gnu::gcj::convert::IOConverter::iconv_init (void)
{
- // Some versions of iconv() always return their UCS-2 results in
- // big-endian order, and they also require UCS-2 inputs to be in
- // big-endian order. For instance, glibc 2.1.3 does this. If the
- // UTF-8=>UCS-2 iconv converter has this feature, then we assume
- // that all UCS-2 converters do. (This might not be the best
- // heuristic, but is is all we've got.)
- jboolean result = false;
-#ifdef HAVE_ICONV
- iconv_t handle = iconv_open ("UCS-2", "UTF-8");
- if (handle != (iconv_t) -1)
- {
- jchar c;
- unsigned char in[4];
- char *inp, *outp;
- size_t inc, outc, r;
-
- // This is the UTF-8 encoding of \ufeff. At least Tru64 UNIX libiconv
- // needs the trailing NUL byte, otherwise iconv fails with EINVAL.
- in[0] = 0xef;
- in[1] = 0xbb;
- in[2] = 0xbf;
- in[3] = 0x00;
-
- inp = (char *) in;
- inc = 4;
- outp = (char *) &c;
- outc = 2;
-
- r = iconv_adapter (iconv, handle, &inp, &inc, &outp, &outc);
- // Conversion must be complete for us to use the result.
- if (r != (size_t) -1 && inc == 0 && outc == 0)
- result = (c != 0xfeff);
-
- // Release iconv handle.
- iconv_close (handle);
- }
-#endif /* HAVE_ICONV */
- return result;
+ return false;
}
void