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Add more logging

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This commit is contained in:
Baptiste Wicht 2018-03-20 14:11:22 +01:00
parent 3021aed283
commit fc87097bf0
2 changed files with 9 additions and 0 deletions
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2
kernel/src/fs/devfs.cpp
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@ -85,6 +85,8 @@ size_t devfs::devfs_file_system::get_file(const path& file_path, vfs::file& f){
}
size_t devfs::devfs_file_system::read(const path& file_path, char* buffer, size_t count, size_t offset, size_t& read){
logging::logf(logging::log_level::TRACE, "devfs: read(buffer=%p, count=%d, offset=%d)\n", buffer, count, offset);
//Cannot access the root for reading
if(file_path.is_root()){
return std::ERROR_PERMISSION_DENIED;

7
kernel/src/fs/fat32.cpp
View File

@ -229,6 +229,7 @@ size_t fat32::fat32_file_system::read(const path& file_path, char* buffer, size_
vfs::file file;
auto result = get_file(file_path, file);
if(result > 0){
logging::logf(logging::log_level::TRACE, "fat32: invalid file\n");
return result;
}
@ -237,11 +238,13 @@ size_t fat32::fat32_file_system::read(const path& file_path, char* buffer, size_
//Check the offset parameter
if(offset > file_size){
logging::logf(logging::log_level::TRACE, "fat32: invalid offset\n");
return std::ERROR_INVALID_OFFSET;
}
//No need to read the cluster if there are no content
if(file_size == 0 || count == 0){
logging::logf(logging::log_level::TRACE, "fat32: nothing to read\n");
read = 0;
return 0;
}
@ -262,6 +265,7 @@ size_t fat32::fat32_file_system::read(const path& file_path, char* buffer, size_
auto cluster_last = (cluster + 1) * cluster_size;
if(first < cluster_last){
logging::logf(logging::log_level::TRACE, "fat32: read_sectors\n");
if(read_sectors(cluster_lba(cluster_number), fat_bs->sectors_per_cluster, cluster_buffer.get())){
size_t i = 0;
@ -273,6 +277,7 @@ size_t fat32::fat32_file_system::read(const path& file_path, char* buffer, size_
buffer[position++] = cluster_buffer[i];
}
} else {
logging::logf(logging::log_level::TRACE, "fat32: read failed\n");
return std::ERROR_FAILED;
}
} else {
@ -299,6 +304,8 @@ size_t fat32::fat32_file_system::read(const path& file_path, char* buffer, size_
read = last - first;
logging::logf(logging::log_level::TRACE, "fat32: finished read\n");
return 0;
}