X-Git-Url: https://harrygodden.com/git/?p=vg.git;a=blobdiff_plain;f=vg_io.h;h=d962bc46f921ee34e016479c982fa665f65511e5;hp=640ceaea12dd0397320c9cb143f1527b02641460;hb=HEAD;hpb=ffd724233b7a3cb89d0d5d253ba4c475d87c76e2 diff --git a/vg_io.h b/vg_io.h index 640ceae..fefb6bf 100644 --- a/vg_io.h +++ b/vg_io.h @@ -1,148 +1,52 @@ -/* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */ +/* Copyright (C) 2021-2024 Harry Godden (hgn) - All Rights Reserved */ -#ifndef VG_IO_H -#define VG_IO_H - -#include "vg_stdint.h" +#pragma once #include "vg_platform.h" #include "vg_log.h" #include "vg_mem.h" -#include -#include - - -#define _TINYDIR_MALLOC(_size) vg_linear_alloc( vg_mem.scratch, _size ) -#define _TINYDIR_FREE(_size) -#include "submodules/tinydir/tinydir.h" - -#include -VG_STATIC int vg_mkdir( const char *path ) -{ - if( mkdir( path, S_IRWXU|S_IRWXG|S_IWOTH|S_IXOTH ) ){ - vg_error( "Failed to create directory: %s\n", path ); - return 0; - } - else{ - return 1; - } -} +typedef struct vg_dir vg_dir; +#ifndef _WIN32 + #include + struct vg_dir{ + DIR *h; + struct dirent *data; + u32 index; + }; +#else + #include + #include + struct vg_dir{ + HANDLE h; + WIN32_FIND_DATA data; + u32 index; + }; +#endif + +enum vg_entry_type{ + k_vg_entry_type_unknown, + k_vg_entry_type_file, + k_vg_entry_type_dir +}; + +int vg_dir_open( vg_dir *dir, const char *name ); +const char *vg_dir_entry_name( vg_dir *dir ); +int vg_dirskip( vg_dir *dir ); +int vg_dir_next_entry( vg_dir *dir ); +enum vg_entry_type vg_dir_entry_type( vg_dir *dir ); +void vg_dir_close( vg_dir *dir ); +void vg_file_print_invalid( FILE *fp ); /* * File I/O */ -#define VG_FILE_IO_CHUNK_SIZE 1024*256 - -VG_STATIC void vg_file_print_invalid( FILE *fp ) -{ - if( feof( fp )) { - vg_error( "mdl_open: header too short\n" ); - } - else{ - if( ferror( fp )) - vg_error( "mdl_open: %s\n", strerror(errno) ); - else - vg_error( "mdl_open: unkown failure\n" ); - - } -} - /* read entire binary file */ -VG_STATIC void *vg_file_read( void *lin_alloc, const char *path, u32 *size ) -{ - FILE *f = fopen( path, "rb" ); - if( f ){ - void *buffer = vg_linear_alloc( lin_alloc, 0 ); - u64 current = 0; - - /* read in chunks */ - for( u32 i=0; 1; i++ ){ - buffer = vg_linear_extend( lin_alloc, buffer, VG_FILE_IO_CHUNK_SIZE ); - - u64 l = fread( buffer + current, 1, VG_FILE_IO_CHUNK_SIZE, f ); - current += l; - - if( l != VG_FILE_IO_CHUNK_SIZE ){ - if( feof( f ) ){ - break; - } - else{ - if( ferror( f ) ){ - fclose(f); - vg_fatal_error( "read error" ); - } - else{ - fclose(f); - vg_fatal_error( "unknown error codition" ); - } - } - } - } - - buffer = vg_linear_resize( lin_alloc, buffer, vg_align8(current) ); - fclose( f ); - - *size = (u32)current; - return buffer; - } - else{ - vg_error( "vg_disk_open_read: %s\n", strerror(errno) ); - return NULL; - } -} +void *vg_file_read( void *lin_alloc, const char *path, u32 *size ); /* read entire file and append a null on the end */ -VG_STATIC char *vg_file_read_text( void *lin_alloc, const char *path, u32 *sz ) -{ - u32 size; - char *str = vg_file_read( lin_alloc, path, &size ); - - if( !str ) - return NULL; - - /* include null terminator */ - str = vg_linear_extend( lin_alloc, str, 1 ); - str[ size ] = '\0'; - *sz = size+1; - - return str; -} - - -VG_STATIC int vg_asset_write( const char *path, void *data, i64 size ){ - FILE *f = fopen( path, "wb" ); - if( f ){ - fwrite( data, size, 1, f ); - fclose( f ); - return 1; - } - else{ - return 0; - } -} - -/* TODO: error handling if read fails */ -VG_STATIC int vg_file_copy( const char *src, const char *dst, void *lin_alloc ) -{ - vg_info( "vg_file_copy( %s -> %s )\n", src, dst ); - u32 size; - void *data = vg_file_read( lin_alloc, src, &size ); - return vg_asset_write( dst, data, size ); -} - -VG_STATIC const char *vg_path_filename( const char *path ) -{ - const char *base = path; - - for( int i=0; i<1024; i++ ){ - if( path[i] == '\0' ) break; - if( path[i] == '/' ){ - base = path+i+1; - } - } - - return base; -} +char *vg_file_read_text( void *lin_alloc, const char *path, u32 *sz ); -#endif /* VG_IO_H */ +int vg_asset_write( const char *path, void *data, i64 size ); +int vg_file_copy( const char *src, const char *dst, void *lin_alloc ); +const char *vg_path_filename( const char *path );