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/**
*** 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.
***
*** See Copyright for the status of this software.
***
*** Author: Patrick Monnerat <pm@datasphere.ch>, DATASPHERE S.A.
**/
#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];
char tocode[32];
char fromcode[32];
ebcdic_argc = argc;
ebcdic_argv = argv;
/* Build the encoding converter. */
strncpy(tocode, "IBMCCSID01208", sizeof tocode);
strncpy(fromcode, "IBMCCSID000000000010", sizeof fromcode);
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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