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Initialize string ports with UTF-8 encoding

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String ports should be able to accept any string characters, regardless
of the current locale.  Setting it to UTF-8 achieves that.

* libguile/strports.c (scm_i_mkstrport): set port's locale to UTF-8
  (scm_mkstrport): convert input string to UTF-8
This commit is contained in:
Michael Gran 2009-09-04 07:30:13 -07:00
parent 3d03f9395e
commit 25ebc0340d
1 changed files with 8 additions and 6 deletions
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14
libguile/strports.c
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@ -290,7 +290,7 @@ st_truncate (SCM port, scm_t_off length)
}
SCM
scm_i_mkstrport (SCM pos, const char *locale_str, size_t str_len, long modes, const char *caller)
scm_i_mkstrport (SCM pos, const char *utf8_str, size_t str_len, long modes, const char *caller)
{
SCM z, str;
scm_t_port *pt;
@ -305,7 +305,7 @@ scm_i_mkstrport (SCM pos, const char *locale_str, size_t str_len, long modes, co
locale_str is already in the locale of the port. */
str = scm_i_make_string (str_len, &buf);
memcpy (buf, locale_str, str_len);
memcpy (buf, utf8_str, str_len);
c_pos = scm_to_unsigned_integer (pos, 0, str_len);
@ -323,12 +323,14 @@ scm_i_mkstrport (SCM pos, const char *locale_str, size_t str_len, long modes, co
pt->write_end = pt->read_end = pt->read_buf + pt->read_buf_size;
pt->rw_random = 1;
scm_i_pthread_mutex_unlock (&scm_i_port_table_mutex);
/* ensure write_pos is writable. */
if ((modes & SCM_WRTNG) && pt->write_pos == pt->write_end)
st_flush (z);
scm_i_set_port_encoding_x (z, "UTF-8");
scm_i_set_conversion_strategy_x (z, SCM_FAILED_CONVERSION_ERROR);
return z;
}
@ -349,9 +351,9 @@ scm_mkstrport (SCM pos, SCM str, long modes, const char *caller)
internal encoding of characters in strings is in unicode
codepoints. */
/* Ports are initialized with the thread-default values for encoding and
invalid sequence handling. */
buf = scm_to_locale_stringn (str, &str_len);
/* String ports are are always initialized with "UTF-8" as their
encoding. */
buf = scm_to_stringn (str, &str_len, "UTF-8", SCM_FAILED_CONVERSION_ERROR);
z = scm_i_mkstrport (pos, buf, str_len, modes, caller);
free (buf);
return z;