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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <[email protected]>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
*
***************************************************************************/
/*
* QADRT/QADRTMAIN2 substitution program.
* This is needed because the IBM-provided QADRTMAIN2 does not
* properly translate arguments by default or if no locale is provided.
*/
#include <stdlib.h>
#include <string.h>
#include <iconv.h>
#include <errno.h>
#include <locale.h>
/* Do not use qadrt.h since it defines unneeded static procedures. */
extern void QadrtInit(void);
extern int QadrtFreeConversionTable(void);
extern int QadrtFreeEnviron(void);
extern char * setlocale_a(int, const char *);
/* The ASCII main program. */
extern int main_a(int argc, char * * argv);
/* Global values of original EBCDIC arguments. */
int ebcdic_argc;
char ** ebcdic_argv;
int main(int argc, char **argv)
{
int i;
int j;
iconv_t cd;
size_t bytecount = 0;
char *inbuf;
char *outbuf;
size_t inbytesleft;
size_t outbytesleft;
char dummybuf[128];
/* To/From codes are 32 byte long strings with
reserved fields initialized to ZEROs */
const char tocode[32] = {"IBMCCSID01208"}; /* Use UTF-8. */
const char fromcode[32] = {"IBMCCSID000000000010"};
ebcdic_argc = argc;
ebcdic_argv = argv;
/* Build the encoding converter. */
cd = iconv_open(tocode, fromcode);
/* Measure the arguments. */
for(i = 0; i < argc; i++) {
inbuf = argv[i];
do {
inbytesleft = 0;
outbuf = dummybuf;
outbytesleft = sizeof(dummybuf);
j = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
bytecount += outbuf - dummybuf;
} while(j == -1 && errno == E2BIG);
/* Reset the shift state. */
iconv(cd, NULL, &inbytesleft, &outbuf, &outbytesleft);
}
/* Allocate memory for the ASCII arguments and vector. */
argv = (char **) malloc((argc + 1) * sizeof(*argv) + bytecount);
/* Build the vector and convert argument encoding. */
outbuf = (char *) (argv + argc + 1);
outbytesleft = bytecount;
for(i = 0; i < argc; i++) {
argv[i] = outbuf;
inbuf = ebcdic_argv[i];
inbytesleft = 0;
iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
iconv(cd, NULL, &inbytesleft, &outbuf, &outbytesleft);
}
iconv_close(cd);
argv[argc] = NULL;
/* Try setting the locale regardless of QADRT_ENV_LOCALE. */
setlocale_a(LC_ALL, "");
/* Call the program. */
i = main_a(argc, argv);
/* Clean-up allocated items. */
free((char *) argv);
QadrtFreeConversionTable();
QadrtFreeEnviron();
/* Terminate. */
return i;
}
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