char *
mfile_name_concat (char const *dir, char const *abase, char **base_in_result)
{
char const *dirbase = last_component (dir);
size_t dirbaselen = base_len (dirbase);
size_t dirlen = dirbase - dir + dirbaselen;
size_t needs_separator = (dirbaselen && ! ISSLASH (dirbase[dirbaselen - 1]));
char const *base = longest_relative_suffix (abase);
size_t baselen = strlen (base);
char *p_concat = malloc (dirlen + needs_separator + baselen + 1);
char *p;
if (p_concat == NULL)
return NULL;
p = mempcpy (p_concat, dir, dirlen);
*p = DIRECTORY_SEPARATOR;
p += needs_separator;
if (base_in_result)
*base_in_result = p - IS_ABSOLUTE_FILE_NAME (abase);
p = mempcpy (p, base, baselen);
*p = '\0';
return p_concat;
}
char *mfile_name_concat( char *dir, char *abase, char **base_in_result )
{
char *dirbase = last_component( dir );
size_t dirbaselen = base_len( dirbase );
size_t dirlen = dirbaselen + ( dirbase - dir );
size_t needs_separator = dirbaselen == 0 || dirbase[ dirbaselen - 1 ] == '/' ? 0 : 1;
char *base = longest_relative_suffix( abase );
size_t baselen = strlen( base );
char *p_concat = malloc( ( baselen + needs_separator + dirlen + 1 ) * sizeof( char ) );
char *p;
if ( p_concat == 0 )
{
return 0;
}
p = mempcpy( p_concat, dir, dirlen );
p[0] = '/';
p = &p[ needs_separator ];
if ( base_in_result != 0 )
base_in_result[0] = &p[ ( abase[0] == '/' ) * -1 ];
p = mempcpy( p, base, baselen );
p[0] = 0;
return p_concat;
}