fis-gtm/sr_port/real_len.c

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/****************************************************************
* *
* Copyright 2003, 2009 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "real_len.h"
/* A utility routine to compute the length of a string, exclusive of trailing blanks or nuls
* (NOTE: this routine is also called from mur_output_show() and the mur_extract_*() routines)
*/
int real_len(int length, uchar_ptr_t str)
{
int clen; /* current length */
/* Find first 'nul' in string */
for (clen = 0; (clen < length) && ('\0' != str[clen]); clen++)
;
/* Remove trailing blanks just before the 'nul' point */
if (clen)
{
for (clen--; (clen >= 0) && (' ' == str[clen]); clen--)
;
clen++;
}
return clen;
}