src/plugins/ctf/fs-src/file.cpp

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #include <glib.h>
   8 #include <stdio.h>
   9 #include <sys/stat.h>
  10
  11 #include "cpp-common/vendor/fmt/format.h"
  12
  13 #include "file.hpp"
  14
  15 int ctf_fs_file_open(struct ctf_fs_file *file, const char *mode)
  16 {
  17     int ret = 0;
  18     struct stat stat;
  19
  20     BT_CPPLOGI_SPEC(file->logger, "Opening file \"{}\" with mode \"{}\"", file->path, mode);
  21     file->fp.reset(fopen(file->path.c_str(), mode));
  22     if (!file->fp) {
  23         BT_CPPLOGE_ERRNO_APPEND_CAUSE_SPEC(file->logger, "Cannot open file", ": path={}, mode={}",
  24                                            file->path, mode);
  25         goto error;
  26     }
  27
  28     BT_CPPLOGI_SPEC(file->logger, "Opened file: {}", fmt::ptr(file->fp));
  29
  30     if (fstat(fileno(file->fp.get()), &stat)) {
  31         BT_CPPLOGE_ERRNO_APPEND_CAUSE_SPEC(file->logger, "Cannot get file information", ": path={}",
  32                                            file->path);
  33         goto error;
  34     }
  35
  36     file->size = stat.st_size;
  37     BT_CPPLOGI_SPEC(file->logger, "File is {} bytes", (intmax_t) file->size);
  38     goto end;
  39
  40 error:
  41     ret = -1;
  42
  43 end:
  44     return ret;
  45 }