| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | some replacement functions for parts of roken that don't fit easily into
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| 5 | our build system
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| 6 |
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| 7 | Copyright (C) Andrew Tridgell 2005
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| 8 |
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| 9 | This program is free software; you can redistribute it and/or modify
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| 10 | it under the terms of the GNU General Public License as published by
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| 11 | the Free Software Foundation; either version 3 of the License, or
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| 12 | (at your option) any later version.
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| 13 |
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| 14 | This program is distributed in the hope that it will be useful,
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| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 17 | GNU General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU General Public License
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| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 21 | */
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| 22 |
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| 23 | #include "config.h"
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| 24 | #include "err.h"
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| 25 | #include "roken.h"
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| 26 | #include "system/filesys.h"
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| 27 |
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| 28 | #ifndef HAVE_ERR
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| 29 | void err(int eval, const char *format, ...)
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| 30 | {
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| 31 | va_list ap;
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| 32 | va_start(ap, format);
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| 33 | vfprintf(stderr, format, ap);
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| 34 | perror("");
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| 35 | va_end(ap);
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| 36 | exit(eval);
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| 37 | }
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| 38 | #endif
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| 39 |
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| 40 | #ifndef HAVE_ERRX
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| 41 | void errx(int eval, const char *format, ...)
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| 42 | {
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| 43 | va_list ap;
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| 44 | va_start(ap, format);
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| 45 | vfprintf(stderr, format, ap);
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| 46 | va_end(ap);
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| 47 | exit(eval);
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| 48 | }
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| 49 | #endif
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| 50 |
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| 51 | #ifndef HAVE_WARNX
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| 52 | void warnx(const char *format, ...)
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| 53 | {
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| 54 | va_list ap;
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| 55 | va_start(ap, format);
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| 56 | vfprintf(stderr, format, ap);
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| 57 | va_end(ap);
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| 58 | }
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| 59 | #endif
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| 60 |
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| 61 | #ifndef HAVE_FLOCK
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| 62 | int flock(int fd, int op)
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| 63 | {
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| 64 | #undef flock
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| 65 | struct flock lock;
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| 66 | lock.l_whence = 0;
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| 67 | lock.l_start = 0;
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| 68 | lock.l_len = 0;
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| 69 | lock.l_pid = 0;
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| 70 |
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| 71 | switch (op & (LOCK_UN|LOCK_SH|LOCK_EX)) {
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| 72 | case LOCK_UN:
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| 73 | lock.l_type = F_UNLCK;
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| 74 | return fcntl(fd, F_SETLK, &lock);
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| 75 | case LOCK_SH:
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| 76 | lock.l_type = F_RDLCK;
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| 77 | return fcntl(fd, (op&LOCK_NB)?F_SETLK:F_SETLKW, &lock);
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| 78 | case LOCK_EX:
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| 79 | lock.l_type = F_WRLCK;
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| 80 | return fcntl(fd, (op&LOCK_NB)?F_SETLK:F_SETLKW, &lock);
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| 81 | }
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| 82 | errno = EINVAL;
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| 83 | return -1;
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| 84 | }
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| 85 | #endif
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