1 /* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */
7 #include "vg_platform.h"
17 #define VG_FILE_IO_CHUNK_SIZE 1024*256
19 VG_STATIC
void vg_file_print_invalid( FILE *fp
)
23 vg_error( "mdl_open: header too short\n" );
28 vg_error( "mdl_open: %s\n", strerror(errno
) );
30 vg_error( "mdl_open: unkown failure\n" );
35 /* read entire binary file */
36 VG_STATIC
void *vg_file_read( void *lin_alloc
, const char *path
, u32
*size
)
38 FILE *f
= fopen( path
, "rb" );
40 void *buffer
= vg_linear_alloc( lin_alloc
, 0 );
44 for( u32 i
=0; 1; i
++ ){
45 buffer
= vg_linear_extend( lin_alloc
, buffer
, VG_FILE_IO_CHUNK_SIZE
);
47 u64 l
= fread( buffer
+ current
, 1, VG_FILE_IO_CHUNK_SIZE
, f
);
50 if( l
!= VG_FILE_IO_CHUNK_SIZE
){
57 vg_fatal_exit_loop( "read error" );
61 vg_fatal_exit_loop( "unknown error codition" );
67 buffer
= vg_linear_resize( lin_alloc
, buffer
, vg_align8(current
) );
76 vg_error( "vg_disk_open_read: %s\n", strerror(errno
) );
81 /* read entire file and append a null on the end */
82 VG_STATIC
char *vg_file_read_text( void *lin_alloc
, const char *path
, u32
*sz
)
85 char *str
= vg_file_read( lin_alloc
, path
, &size
);
90 /* include null terminator */
91 str
= vg_linear_extend( lin_alloc
, str
, 1 );
99 VG_STATIC
int vg_asset_write( const char *path
, void *data
, i64 size
)
101 FILE *f
= fopen( path
, "wb" );
104 fwrite( data
, size
, 1, f
);