1 #pragma ident "%Z%%M% %I% %E% SMI" 2 /* 3 * lib/krb5/krb/copy_data.c 4 * 5 * Copyright 1990,1991 by the Massachusetts Institute of Technology. 6 * All Rights Reserved. 7 * 8 * Export of this software from the United States of America may 9 * require a specific license from the United States Government. 10 * It is the responsibility of any person or organization contemplating 11 * export to obtain such a license before exporting. 12 * 13 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 14 * distribute this software and its documentation for any purpose and 15 * without fee is hereby granted, provided that the above copyright 16 * notice appear in all copies and that both that copyright notice and 17 * this permission notice appear in supporting documentation, and that 18 * the name of M.I.T. not be used in advertising or publicity pertaining 19 * to distribution of the software without specific, written prior 20 * permission. Furthermore if you modify this software you must label 21 * your software as modified software and not distribute it in such a 22 * fashion that it might be confused with the original M.I.T. software. 23 * M.I.T. makes no representations about the suitability of 24 * this software for any purpose. It is provided "as is" without express 25 * or implied warranty. 26 * 27 * 28 * krb5_copy_data() 29 */ 30 31 #include <k5-int.h> 32 33 /* 34 * Copy a data structure, with fresh allocation. 35 */ 36 /*ARGSUSED*/ 37 KRB5_DLLIMP krb5_error_code KRB5_CALLCONV 38 krb5_copy_data(context, indata, outdata) 39 krb5_context context; 40 const krb5_data FAR *indata; 41 krb5_data FAR * FAR *outdata; 42 { 43 krb5_data *tempdata; 44 45 if (!indata) { 46 *outdata = 0; 47 return 0; 48 } 49 50 if (!(tempdata = (krb5_data *)malloc(sizeof(*tempdata)))) 51 return ENOMEM; 52 53 tempdata->length = indata->length; 54 if (tempdata->length) { 55 if (!(tempdata->data = malloc(tempdata->length))) { 56 krb5_xfree(tempdata); 57 return ENOMEM; 58 } 59 memcpy((char *)tempdata->data, (char *)indata->data, tempdata->length); 60 } else 61 tempdata->data = 0; 62 tempdata->magic = KV5M_DATA; 63 *outdata = tempdata; 64 return 0; 65 } 66 67 krb5_error_code 68 krb5int_copy_data_contents(krb5_context context, const krb5_data *indata, krb5_data *outdata) 69 { 70 if (!indata) { 71 return EINVAL; 72 } 73 74 outdata->length = indata->length; 75 if (outdata->length) { 76 if (!(outdata->data = malloc(outdata->length))) { 77 krb5_xfree(outdata); 78 return ENOMEM; 79 } 80 memcpy((char *)outdata->data, (char *)indata->data, outdata->length); 81 } else 82 outdata->data = 0; 83 outdata->magic = KV5M_DATA; 84 85 return 0; 86 } 87 88