#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ansidecl.h"
#include "libiberty.h"
#include <sys/types.h>
#include <stdarg.h>
# if HAVE_STRING_H
# include <string.h>
# else
# if HAVE_STRINGS_H
# include <strings.h>
# endif
# endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
static inline unsigned long vconcat_length (const char *, va_list);
static inline unsigned long
vconcat_length (const char *first, va_list args)
{
unsigned long length = 0;
const char *arg;
for (arg = first; arg ; arg = va_arg (args, const char *))
length += strlen (arg);
return length;
}
static inline char *
vconcat_copy (char *dst, const char *first, va_list args)
{
char *end = dst;
const char *arg;
for (arg = first; arg ; arg = va_arg (args, const char *))
{
unsigned long length = strlen (arg);
memcpy (end, arg, length);
end += length;
}
*end = '\000';
return dst;
}
unsigned long
concat_length (const char *first, ...)
{
unsigned long length;
VA_OPEN (args, first);
VA_FIXEDARG (args, const char *, first);
length = vconcat_length (first, args);
VA_CLOSE (args);
return length;
}
char *
concat_copy (char *dst, const char *first, ...)
{
char *save_dst;
VA_OPEN (args, first);
VA_FIXEDARG (args, char *, dst);
VA_FIXEDARG (args, const char *, first);
vconcat_copy (dst, first, args);
save_dst = dst;
VA_CLOSE (args);
return save_dst;
}
#ifdef __cplusplus
extern "C" {
#endif
char *libiberty_concat_ptr;
#ifdef __cplusplus
}
#endif
char *
concat_copy2 (const char *first, ...)
{
VA_OPEN (args, first);
VA_FIXEDARG (args, const char *, first);
vconcat_copy (libiberty_concat_ptr, first, args);
VA_CLOSE (args);
return libiberty_concat_ptr;
}
char *
concat (const char *first, ...)
{
char *newstr;
VA_OPEN (args, first);
VA_FIXEDARG (args, const char *, first);
newstr = XNEWVEC (char, vconcat_length (first, args) + 1);
VA_CLOSE (args);
VA_OPEN (args, first);
VA_FIXEDARG (args, const char *, first);
vconcat_copy (newstr, first, args);
VA_CLOSE (args);
return newstr;
}
char *
reconcat (char *optr, const char *first, ...)
{
char *newstr;
VA_OPEN (args, first);
VA_FIXEDARG (args, char *, optr);
VA_FIXEDARG (args, const char *, first);
newstr = XNEWVEC (char, vconcat_length (first, args) + 1);
VA_CLOSE (args);
VA_OPEN (args, first);
VA_FIXEDARG (args, char *, optr);
VA_FIXEDARG (args, const char *, first);
vconcat_copy (newstr, first, args);
if (optr)
free (optr);
VA_CLOSE (args);
return newstr;
}
#ifdef MAIN
#define NULLP (char *)0
#include <stdio.h>
int
main (void)
{
printf ("\"\" = \"%s\"\n", concat (NULLP));
printf ("\"a\" = \"%s\"\n", concat ("a", NULLP));
printf ("\"ab\" = \"%s\"\n", concat ("a", "b", NULLP));
printf ("\"abc\" = \"%s\"\n", concat ("a", "b", "c", NULLP));
printf ("\"abcd\" = \"%s\"\n", concat ("ab", "cd", NULLP));
printf ("\"abcde\" = \"%s\"\n", concat ("ab", "c", "de", NULLP));
printf ("\"abcdef\" = \"%s\"\n", concat ("", "a", "", "bcd", "ef", NULLP));
return 0;
}
#endif