zsh/Src/builtin.c

1074 cd_try_chdir(char *pfix, char *dest, int hard)
1080     if (pfix && *pfix) {
1081 	if (*pfix == '/') {
1088 	    int root = pfix[1] == '\0' || (pfix[1] == '/' && pfix[2] == '\0');
1089 	    buf = tricat(pfix, ( root ? "" : "/" ), dest);
1091 	    buf = tricat(pfix, "/", dest);
1094 	    int pfl = strlen(pfix);
1100 	    strcpy(buf + dlen + 1, pfix);
1129 	(pfix || *dest == '/' || lchdir(dest, NULL, hard))) {