diff options
Diffstat (limited to 'vppinfra/vppinfra/unix-misc.c')
| -rw-r--r-- | vppinfra/vppinfra/unix-misc.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/vppinfra/vppinfra/unix-misc.c b/vppinfra/vppinfra/unix-misc.c deleted file mode 100644 index 2928369d52e..00000000000 --- a/vppinfra/vppinfra/unix-misc.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/* - Copyright (c) 2005 Eliot Dresselhaus - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ - -#include <vppinfra/error.h> -#include <vppinfra/os.h> -#include <vppinfra/unix.h> - -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/uio.h> /* writev */ -#include <fcntl.h> -#include <stdio.h> /* for sprintf */ - -clib_error_t * -unix_file_n_bytes (char *file, uword * result) -{ - struct stat s; - - if (stat (file, &s) < 0) - return clib_error_return_unix (0, "stat `%s'", file); - - if (S_ISREG (s.st_mode)) - *result = s.st_size; - else - *result = 0; - - return /* no error */ 0; -} - -clib_error_t * -unix_file_read_contents (char *file, u8 * result, uword n_bytes) -{ - int fd = -1; - uword n_done, n_left; - clib_error_t *error = 0; - u8 *v = result; - - if ((fd = open (file, 0)) < 0) - return clib_error_return_unix (0, "open `%s'", file); - - n_left = n_bytes; - n_done = 0; - while (n_left > 0) - { - int n_read; - if ((n_read = read (fd, v + n_done, n_left)) < 0) - { - error = clib_error_return_unix (0, "open `%s'", file); - goto done; - } - - /* End of file. */ - if (n_read == 0) - break; - - n_left -= n_read; - n_done += n_read; - } - - if (n_left > 0) - { - error = - clib_error_return (0, - " `%s' expected to read %wd bytes; read only %wd", - file, n_bytes, n_bytes - n_left); - goto done; - } - -done: - close (fd); - return error; -} - -clib_error_t * -unix_file_contents (char *file, u8 ** result) -{ - uword n_bytes; - clib_error_t *error = 0; - u8 *v; - - if ((error = unix_file_n_bytes (file, &n_bytes))) - return error; - - v = 0; - vec_resize (v, n_bytes); - - error = unix_file_read_contents (file, v, n_bytes); - - if (error) - vec_free (v); - else - *result = v; - - return error; -} - -clib_error_t * -unix_proc_file_contents (char *file, u8 ** result) -{ - u8 *rv = 0; - uword pos; - int bytes, fd; - - /* Unfortunately, stat(/proc/XXX) returns zero... */ - fd = open (file, O_RDONLY); - - if (fd < 0) - return clib_error_return_unix (0, "open `%s'", file); - - vec_validate (rv, 4095); - pos = 0; - while (1) - { - bytes = read (fd, rv + pos, 4096); - if (bytes < 0) - { - close (fd); - vec_free (rv); - return clib_error_return_unix (0, "read '%s'", file); - } - - if (bytes == 0) - { - _vec_len (rv) = pos; - break; - } - pos += bytes; - vec_validate (rv, pos + 4095); - } - *result = rv; - close (fd); - return 0; -} - -void os_panic (void) __attribute__ ((weak)); - -void -os_panic (void) -{ - abort (); -} - -void os_exit (int) __attribute__ ((weak)); - -void -os_exit (int code) -{ - exit (code); -} - -void os_puts (u8 * string, uword string_length, uword is_error) - __attribute__ ((weak)); - -void -os_puts (u8 * string, uword string_length, uword is_error) -{ - int cpu = os_get_cpu_number (); - int ncpus = os_get_ncpus (); - char buf[64]; - int fd = is_error ? 2 : 1; - struct iovec iovs[2]; - int n_iovs = 0; - - if (ncpus > 1) - { - snprintf (buf, sizeof (buf), "%d: ", cpu); - - iovs[n_iovs].iov_base = buf; - iovs[n_iovs].iov_len = strlen (buf); - n_iovs++; - } - - iovs[n_iovs].iov_base = string; - iovs[n_iovs].iov_len = string_length; - n_iovs++; - - if (writev (fd, iovs, n_iovs) < 0) - ; -} - -void os_out_of_memory (void) __attribute__ ((weak)); -void -os_out_of_memory (void) -{ - os_panic (); -} - -uword os_get_cpu_number (void) __attribute__ ((weak)); -uword -os_get_cpu_number (void) -{ - return 0; -} - -uword os_get_ncpus (void) __attribute__ ((weak)); -uword -os_get_ncpus (void) -{ - return 1; -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |