| 1 | /* bucomm.c -- Bin Utils COMmon code. |
| 2 | Copyright (C) 1991, 92, 93, 94, 95, 97, 98, 2000 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Binutils. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, USA. */ |
| 21 | \f |
| 22 | /* We might put this in a library someday so it could be dynamically |
| 23 | loaded, but for now it's not necessary. */ |
| 24 | |
| 25 | #include "bfd.h" |
| 26 | #include "libiberty.h" |
| 27 | #include "bucomm.h" |
| 28 | #include "filenames.h" |
| 29 | |
| 30 | #include <sys/stat.h> |
| 31 | #include <time.h> /* ctime, maybe time_t */ |
| 32 | |
| 33 | #ifndef HAVE_TIME_T_IN_TIME_H |
| 34 | #ifndef HAVE_TIME_T_IN_TYPES_H |
| 35 | typedef long time_t; |
| 36 | #endif |
| 37 | #endif |
| 38 | \f |
| 39 | /* Error reporting */ |
| 40 | |
| 41 | char *program_name; |
| 42 | |
| 43 | void |
| 44 | bfd_nonfatal (string) |
| 45 | CONST char *string; |
| 46 | { |
| 47 | CONST char *errmsg = bfd_errmsg (bfd_get_error ()); |
| 48 | |
| 49 | if (string) |
| 50 | fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg); |
| 51 | else |
| 52 | fprintf (stderr, "%s: %s\n", program_name, errmsg); |
| 53 | } |
| 54 | |
| 55 | void |
| 56 | bfd_fatal (string) |
| 57 | CONST char *string; |
| 58 | { |
| 59 | bfd_nonfatal (string); |
| 60 | xexit (1); |
| 61 | } |
| 62 | |
| 63 | void |
| 64 | report (format, args) |
| 65 | const char * format; |
| 66 | va_list args; |
| 67 | { |
| 68 | fprintf (stderr, "%s: ", program_name); |
| 69 | vfprintf (stderr, format, args); |
| 70 | putc ('\n', stderr); |
| 71 | } |
| 72 | |
| 73 | #ifdef ANSI_PROTOTYPES |
| 74 | void |
| 75 | fatal (const char *format, ...) |
| 76 | { |
| 77 | va_list args; |
| 78 | |
| 79 | va_start (args, format); |
| 80 | report (format, args); |
| 81 | va_end (args); |
| 82 | xexit (1); |
| 83 | } |
| 84 | |
| 85 | void |
| 86 | non_fatal (const char *format, ...) |
| 87 | { |
| 88 | va_list args; |
| 89 | |
| 90 | va_start (args, format); |
| 91 | report (format, args); |
| 92 | va_end (args); |
| 93 | } |
| 94 | #else |
| 95 | void |
| 96 | fatal (va_alist) |
| 97 | va_dcl |
| 98 | { |
| 99 | char *Format; |
| 100 | va_list args; |
| 101 | |
| 102 | va_start (args); |
| 103 | Format = va_arg (args, char *); |
| 104 | report (Format, args); |
| 105 | va_end (args); |
| 106 | xexit (1); |
| 107 | } |
| 108 | |
| 109 | void |
| 110 | non_fatal (va_alist) |
| 111 | va_dcl |
| 112 | { |
| 113 | char *Format; |
| 114 | va_list args; |
| 115 | |
| 116 | va_start (args); |
| 117 | Format = va_arg (args, char *); |
| 118 | report (Format, args); |
| 119 | va_end (args); |
| 120 | } |
| 121 | #endif |
| 122 | |
| 123 | /* Set the default BFD target based on the configured target. Doing |
| 124 | this permits the binutils to be configured for a particular target, |
| 125 | and linked against a shared BFD library which was configured for a |
| 126 | different target. */ |
| 127 | |
| 128 | void |
| 129 | set_default_bfd_target () |
| 130 | { |
| 131 | /* The macro TARGET is defined by Makefile. */ |
| 132 | const char *target = TARGET; |
| 133 | |
| 134 | if (! bfd_set_default_target (target)) |
| 135 | fatal (_("can't set BFD default target to `%s': %s"), |
| 136 | target, bfd_errmsg (bfd_get_error ())); |
| 137 | } |
| 138 | |
| 139 | /* After a false return from bfd_check_format_matches with |
| 140 | bfd_get_error () == bfd_error_file_ambiguously_recognized, print |
| 141 | the possible matching targets. */ |
| 142 | |
| 143 | void |
| 144 | list_matching_formats (p) |
| 145 | char **p; |
| 146 | { |
| 147 | fprintf (stderr, _("%s: Matching formats:"), program_name); |
| 148 | while (*p) |
| 149 | fprintf (stderr, " %s", *p++); |
| 150 | fputc ('\n', stderr); |
| 151 | } |
| 152 | |
| 153 | /* List the supported targets. */ |
| 154 | |
| 155 | void |
| 156 | list_supported_targets (name, f) |
| 157 | const char *name; |
| 158 | FILE *f; |
| 159 | { |
| 160 | extern bfd_target *bfd_target_vector[]; |
| 161 | int t; |
| 162 | |
| 163 | if (name == NULL) |
| 164 | fprintf (f, _("Supported targets:")); |
| 165 | else |
| 166 | fprintf (f, _("%s: supported targets:"), name); |
| 167 | for (t = 0; bfd_target_vector[t] != NULL; t++) |
| 168 | fprintf (f, " %s", bfd_target_vector[t]->name); |
| 169 | fprintf (f, "\n"); |
| 170 | } |
| 171 | \f |
| 172 | /* Display the archive header for an element as if it were an ls -l listing: |
| 173 | |
| 174 | Mode User\tGroup\tSize\tDate Name */ |
| 175 | |
| 176 | void |
| 177 | print_arelt_descr (file, abfd, verbose) |
| 178 | FILE *file; |
| 179 | bfd *abfd; |
| 180 | boolean verbose; |
| 181 | { |
| 182 | struct stat buf; |
| 183 | |
| 184 | if (verbose) |
| 185 | { |
| 186 | if (bfd_stat_arch_elt (abfd, &buf) == 0) |
| 187 | { |
| 188 | char modebuf[11]; |
| 189 | char timebuf[40]; |
| 190 | time_t when = buf.st_mtime; |
| 191 | CONST char *ctime_result = (CONST char *) ctime (&when); |
| 192 | |
| 193 | /* POSIX format: skip weekday and seconds from ctime output. */ |
| 194 | sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20); |
| 195 | |
| 196 | mode_string (buf.st_mode, modebuf); |
| 197 | modebuf[10] = '\0'; |
| 198 | /* POSIX 1003.2/D11 says to skip first character (entry type). */ |
| 199 | fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1, |
| 200 | (long) buf.st_uid, (long) buf.st_gid, |
| 201 | (long) buf.st_size, timebuf); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | fprintf (file, "%s\n", bfd_get_filename (abfd)); |
| 206 | } |
| 207 | |
| 208 | /* Return the name of a temporary file in the same directory as FILENAME. */ |
| 209 | |
| 210 | char * |
| 211 | make_tempname (filename) |
| 212 | char *filename; |
| 213 | { |
| 214 | static char template[] = "stXXXXXX"; |
| 215 | char *tmpname; |
| 216 | char *slash = strrchr (filename, '/'); |
| 217 | |
| 218 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 219 | { |
| 220 | /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ |
| 221 | char *bslash = strrchr (filename, '\\'); |
| 222 | if (slash == NULL || (bslash != NULL && bslash > slash)) |
| 223 | slash = bslash; |
| 224 | if (slash == NULL && filename[0] != '\0' && filename[1] == ':') |
| 225 | slash = filename + 1; |
| 226 | } |
| 227 | #endif |
| 228 | |
| 229 | if (slash != (char *) NULL) |
| 230 | { |
| 231 | char c; |
| 232 | |
| 233 | c = *slash; |
| 234 | *slash = 0; |
| 235 | tmpname = xmalloc (strlen (filename) + sizeof (template) + 2); |
| 236 | strcpy (tmpname, filename); |
| 237 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 238 | /* If tmpname is "X:", appending a slash will make it a root |
| 239 | directory on drive X, which is NOT the same as the current |
| 240 | directory on drive X. */ |
| 241 | if (tmpname[1] == ':' && tmpname[2] == '\0') |
| 242 | strcat (tmpname, "."); |
| 243 | #endif |
| 244 | strcat (tmpname, "/"); |
| 245 | strcat (tmpname, template); |
| 246 | mktemp (tmpname); |
| 247 | *slash = c; |
| 248 | } |
| 249 | else |
| 250 | { |
| 251 | tmpname = xmalloc (sizeof (template)); |
| 252 | strcpy (tmpname, template); |
| 253 | mktemp (tmpname); |
| 254 | } |
| 255 | return tmpname; |
| 256 | } |
| 257 | |
| 258 | /* Parse a string into a VMA, with a fatal error if it can't be |
| 259 | parsed. */ |
| 260 | |
| 261 | bfd_vma |
| 262 | parse_vma (s, arg) |
| 263 | const char *s; |
| 264 | const char *arg; |
| 265 | { |
| 266 | bfd_vma ret; |
| 267 | const char *end; |
| 268 | |
| 269 | ret = bfd_scan_vma (s, &end, 0); |
| 270 | |
| 271 | if (*end != '\0') |
| 272 | fatal (_("%s: bad number: %s"), arg, s); |
| 273 | |
| 274 | return ret; |
| 275 | } |