diff options
Diffstat (limited to 'src/mod_irc/iconv_erl.c')
| -rw-r--r-- | src/mod_irc/iconv_erl.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/mod_irc/iconv_erl.c b/src/mod_irc/iconv_erl.c deleted file mode 100644 index 20d9389a8..000000000 --- a/src/mod_irc/iconv_erl.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * ejabberd, Copyright (C) 2002-2013 ProcessOne - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - * 02111-1307 USA - * - */ - -#include <stdio.h> -#include <string.h> -#include <erl_driver.h> -#include <ei.h> -#include <iconv.h> - -/* - * R15B changed several driver callbacks to use ErlDrvSizeT and - * ErlDrvSSizeT typedefs instead of int. - * This provides missing typedefs on older OTP versions. - */ -#if ERL_DRV_EXTENDED_MAJOR_VERSION < 2 -typedef int ErlDrvSizeT; -typedef int ErlDrvSSizeT; -#endif - -typedef struct { - ErlDrvPort port; - iconv_t cd; -} iconv_data; - - -static ErlDrvData iconv_erl_start(ErlDrvPort port, char *buff) -{ - iconv_data* d = (iconv_data*)driver_alloc(sizeof(iconv_data)); - d->port = port; - d->cd = NULL; - - set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY); - - return (ErlDrvData)d; -} - -static void iconv_erl_stop(ErlDrvData handle) -{ - driver_free((char*)handle); -} - -static ErlDrvSSizeT iconv_erl_control(ErlDrvData drv_data, - unsigned int command, - char *buf, ErlDrvSizeT len, - char **rbuf, ErlDrvSizeT rlen) -{ - int i; - int size; - int index = 0; - int avail; - size_t inleft, outleft; - ErlDrvBinary *b; - char *from, *to, *string, *stmp, *rstring, *rtmp; - iconv_t cd; - int invalid_utf8_as_latin1 = 0; - - ei_decode_version(buf, &index, &i); - ei_decode_tuple_header(buf, &index, &i); - ei_get_type(buf, &index, &i, &size); - from = driver_alloc(size + 1); - ei_decode_string(buf, &index, from); - - ei_get_type(buf, &index, &i, &size); - to = driver_alloc(size + 1); - ei_decode_string(buf, &index, to); - - ei_get_type(buf, &index, &i, &size); - stmp = string = driver_alloc(size + 1); - ei_decode_string(buf, &index, string); - - /* Special mode: parse as UTF-8 if possible; otherwise assume it's - Latin-1. Makes no difference when encoding. */ - if (strcmp(from, "utf-8+latin-1") == 0) { - from[5] = '\0'; - invalid_utf8_as_latin1 = 1; - } - if (strcmp(to, "utf-8+latin-1") == 0) { - to[5] = '\0'; - } - cd = iconv_open(to, from); - - if (cd == (iconv_t) -1) { - cd = iconv_open("ascii", "ascii"); - if (cd == (iconv_t) -1) { - *rbuf = (char*)(b = driver_alloc_binary(size)); - memcpy(b->orig_bytes, string, size); - - driver_free(from); - driver_free(to); - driver_free(string); - - return size; - } - } - - outleft = avail = 4*size; - inleft = size; - rtmp = rstring = driver_alloc(avail); - while (inleft > 0) { - if (iconv(cd, &stmp, &inleft, &rtmp, &outleft) == (size_t) -1) { - if (invalid_utf8_as_latin1 && (*stmp & 0x80) && outleft >= 2) { - /* Encode one byte of (assumed) Latin-1 into two bytes of UTF-8 */ - *rtmp++ = 0xc0 | ((*stmp & 0xc0) >> 6); - *rtmp++ = 0x80 | (*stmp & 0x3f); - outleft -= 2; - } - stmp++; - inleft--; - } - } - - size = rtmp - rstring; - - *rbuf = (char*)(b = driver_alloc_binary(size)); - memcpy(b->orig_bytes, rstring, size); - - driver_free(from); - driver_free(to); - driver_free(string); - driver_free(rstring); - iconv_close(cd); - - return size; -} - - - -ErlDrvEntry iconv_driver_entry = { - NULL, /* F_PTR init, N/A */ - iconv_erl_start, /* L_PTR start, called when port is opened */ - iconv_erl_stop, /* F_PTR stop, called when port is closed */ - NULL, /* F_PTR output, called when erlang has sent */ - NULL, /* F_PTR ready_input, called when input descriptor ready */ - NULL, /* F_PTR ready_output, called when output descriptor ready */ - "iconv_erl", /* char *driver_name, the argument to open_port */ - NULL, /* F_PTR finish, called when unloaded */ - NULL, /* handle */ - iconv_erl_control, /* F_PTR control, port_command callback */ - NULL, /* F_PTR timeout, reserved */ - NULL, /* F_PTR outputv, reserved */ - /* Added in Erlang/OTP R15B: */ - NULL, /* ready_async */ - NULL, /* flush */ - NULL, /* call */ - NULL, /* event */ - ERL_DRV_EXTENDED_MARKER, /* extended_marker */ - ERL_DRV_EXTENDED_MAJOR_VERSION, /* major_version */ - ERL_DRV_EXTENDED_MINOR_VERSION, /* minor_version */ - 0, /* driver_flags */ - NULL, /* handle2 */ - NULL, /* process_exit */ - NULL /* stop_select */ -}; - -DRIVER_INIT(iconv_erl) /* must match name in driver_entry */ -{ - return &iconv_driver_entry; -} - - |