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/* $Id: strconcat.c,v 2.0.1.1 1993/05/17 02:12:09 greyham Exp $
* concatenate a list of strings, storing them in a malloc'ed region
*/
#include "c2man.h"
#include "strconcat.h"
#ifdef I_STDARG
#include <stdarg.h>
#endif
#ifdef I_VARARGS
#include <varargs.h>
#endif
extern void outmem();
#ifdef I_STDARG
char *strconcat(const char *first, ...)
#else
char *strconcat(va_alist)
va_dcl
#endif
{
size_t totallen;
va_list argp;
char *s, *retstring;
#ifndef I_STDARG
char *first;
#endif
/* add up the total length */
#ifdef I_STDARG
va_start(argp,first);
#else
va_start(argp);
first = va_arg(argp, char *);
#endif
#ifdef DEBUG
fprintf(stderr,"strconcat: \"%s\"",first);
#endif
totallen = strlen(first);
while ((s = va_arg(argp,char *)) != NULL)
{
totallen += strlen(s);
#ifdef DEBUG
fprintf(stderr,",\"%s\"",s);
#endif
}
#ifdef DEBUG
fprintf(stderr,"\nstrlen = %ld\n",(long)totallen);
#endif
va_end(argp);
/* malloc the memory */
if ((retstring = malloc(totallen + 1)) == 0)
outmem();
#ifdef I_STDARG
va_start(argp,first);
#else
va_start(argp);
first = va_arg(argp, char *);
#endif
/* copy the stuff in */
strcpy(retstring,first);
while ((s = va_arg(argp,char *)) != NULL)
strcat(retstring,s);
va_end(argp);
#ifdef DEBUG
fprintf(stderr,"strconcat returns \"%s\"\n",retstring);
#endif
return retstring;
}
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