121 lines
2.7 KiB
C++
121 lines
2.7 KiB
C++
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 09.02.2016
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*
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* Shared system functions
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*
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*/
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// TOP
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internal File_Data
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sysshared_load_file(char *filename){
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File_Data result = {0};
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File_Loading loading =
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system_file_load_begin(filename);
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result.got_file = loading.exists;
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if (loading.size > 0){
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result.data.size = loading.size;
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result.data.data = (byte*)system_get_memory(result.data.size);
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if (!result.data.data){
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system_file_load_end(loading, 0);
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result = file_data_zero();
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}
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else{
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if (!system_file_load_end(loading, (char*)result.data.data)){
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system_free_memory(result.data.data);
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result = file_data_zero();
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}
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}
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}
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return(result);
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}
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internal b32
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sysshared_save_file(char *filename, char *data, i32 size){
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return(system_file_save(filename, data, size));
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}
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internal b32
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usable_ascii(char c){
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b32 result = 1;
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if ((c < ' ' || c > '~') && c != '\n' && c != '\r' && c != '\t'){
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result = 0;
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}
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return(result);
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}
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internal void
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sysshared_filter_real_files(char **files, i32 *file_count){
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i32 i, j;
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i32 end;
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end = *file_count;
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for (i = 0, j = 0; i < end; ++i){
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if (system_file_can_be_made(files[i])){
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files[j] = files[i];
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++j;
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}
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}
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*file_count = j;
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}
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internal Partition
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sysshared_scratch_partition(i32 size){
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void *data = system_get_memory(size);
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Partition part = make_part(data, size);
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return(part);
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}
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internal void
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sysshared_partition_grow(Partition *part, i32 new_size){
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void *data = 0;
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if (new_size > part->max){
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// TODO(allen): attempt to grow in place by just
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// acquiring next vpages?!
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data = system_get_memory(new_size);
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memcpy(data, part->base, part->pos);
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system_free_memory(part->base);
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part->base = (char*)data;
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}
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}
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internal void
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sysshared_partition_double(Partition *part){
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sysshared_partition_grow(part, part->max*2);
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}
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internal void*
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sysshared_push_block(Partition *part, i32 size){
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void *result = 0;
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result = push_block(part, size);
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if (!result){
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sysshared_partition_grow(part, size+part->max);
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result = push_block(part, size);
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}
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return(result);
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}
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internal b32
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sysshared_to_binary_path(String *out_filename, char *filename){
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b32 translate_success = 0;
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i32 max = out_filename->memory_size;
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i32 size = system_get_binary_path(out_filename);
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if (size > 0 && size < max-1){
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out_filename->size = size;
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if (append(out_filename, filename) && terminate_with_null(out_filename)){
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translate_success = 1;
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}
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}
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return (translate_success);
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}
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// BOTTOM
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