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/*++
/* NAME
/* neuter 3
/* SUMMARY
/* neutralize characters before they can explode
/* SYNOPSIS
/* #include <stringops.h>
/*
/* char *neuter(buffer, bad, replacement)
/* char *buffer;
/* const char *bad;
/* int replacement;
/* DESCRIPTION
/* neuter() replaces bad characters in its input
/* by the given replacement.
/*
/* Arguments:
/* .IP buffer
/* The null-terminated input string.
/* .IP bad
/* The null-terminated bad character string.
/* .IP replacement
/* Replacement value for characters in \fIbuffer\fR that do not
/* pass the bad character test.
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
/* System library. */
#include <sys_defs.h>
#include <string.h>
/* Utility library. */
#include <stringops.h>
/* neuter - neutralize bad characters */
char *neuter(char *string, const char *bad, int replacement)
{
char *cp;
int ch;
for (cp = string; (ch = *(unsigned char *) cp) != 0; cp++)
if (strchr(bad, ch) != 0)
*cp = replacement;
return (string);
}
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