Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Return machine flag names. |
| 2 | Copyright (C) 2001, 2002 Red Hat, Inc. |
| 3 | Written by Ulrich Drepper <drepper@redhat.com>, 2001. |
| 4 | |
| 5 | This program is Open Source software; you can redistribute it and/or |
| 6 | modify it under the terms of the Open Software License version 1.0 as |
| 7 | published by the Open Source Initiative. |
| 8 | |
| 9 | You should have received a copy of the Open Software License along |
| 10 | with this program; if not, you may obtain a copy of the Open Software |
| 11 | License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| 12 | by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 13 | 3001 King Ranch Road, Ukiah, CA 95482. */ |
| 14 | |
| 15 | #ifdef HAVE_CONFIG_H |
| 16 | # include <config.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <string.h> |
| 21 | #include <libeblP.h> |
| 22 | |
| 23 | |
| 24 | const char * |
| 25 | ebl_machine_flag_name (ebl, flags, buf, len) |
| 26 | Ebl *ebl; |
| 27 | Elf64_Word flags; |
| 28 | char *buf; |
| 29 | size_t len; |
| 30 | { |
| 31 | const char *res; |
| 32 | |
| 33 | if (flags == 0) |
| 34 | res = ""; |
| 35 | else |
| 36 | { |
| 37 | char *cp = buf; |
| 38 | int first = 1; |
| 39 | const char *machstr; |
| 40 | size_t machstrlen; |
| 41 | |
| 42 | do |
| 43 | { |
| 44 | if (! first) |
| 45 | { |
| 46 | if (cp + 1 >= buf + len) |
| 47 | break; |
| 48 | *cp++ = ','; |
| 49 | } |
| 50 | |
| 51 | machstr = ebl != NULL ? ebl->machine_flag_name (&flags) : NULL; |
| 52 | if (machstr == NULL) |
| 53 | { |
| 54 | /* No more known flag. */ |
| 55 | snprintf (cp, buf + len - cp, "%#x", flags); |
| 56 | break; |
| 57 | } |
| 58 | |
| 59 | machstrlen = strlen (machstr) + 1; |
| 60 | if ((size_t) (buf + len - cp) < machstrlen) |
| 61 | { |
| 62 | *((char *) mempcpy (cp, machstr, buf + len - cp - 1)) = '\0'; |
| 63 | break; |
| 64 | } |
| 65 | |
| 66 | cp = mempcpy (cp, machstr, machstrlen); |
| 67 | |
| 68 | first = 0; |
| 69 | } |
| 70 | while (flags != 0); |
| 71 | |
| 72 | res = buf; |
| 73 | } |
| 74 | |
| 75 | return res; |
| 76 | } |