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Add a simple header and version number to the default.dfg config file

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9570 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2006-04-08 22:53:26 +00:00
parent 3817a3ecc4
commit 2ee282396f
2 changed files with 29 additions and 1 deletions
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21
apps/plugins/doom/m_misc.c
View file

@ -797,11 +797,16 @@ int numdefaults;
void M_SaveDefaults (void)
{
int i,fd;
uint32_t magic = DOOM_CONFIG_MAGIC;
uint32_t ver = DOOM_CONFIG_VERSION;
fd = open (GAMEBASE"default.dfg", O_WRONLY|O_CREAT|O_TRUNC);
if (fd<0)
return; // can't write the file, but don't complain
write(fd,&magic,sizeof(magic));
write(fd,&ver,sizeof(ver));
for (i=0 ; i<numdefaults ; i++)
if(defaults[i].location.pi)
write(fd,defaults[i].location.pi, sizeof(int));
@ -833,7 +838,9 @@ struct default_s *M_LookupDefault(const char *name)
void M_LoadDefaults (void)
{
int i;
int i;
uint32_t magic = 0;
uint32_t ver;
int fd;
// set everything to base values
@ -849,6 +856,18 @@ void M_LoadDefaults (void)
if (fd<0)
return; // don't have anything to read
read(fd,&magic,sizeof(magic));
if (magic != DOOM_CONFIG_MAGIC) {
close(fd);
return;
}
read(fd,&ver,sizeof(ver));
if (ver != DOOM_CONFIG_VERSION) {
close(fd);
return;
}
for (i=0 ; i<numdefaults ; i++)
if(defaults[i].location.pi)
read(fd,defaults[i].location.pi, sizeof(int));

9
apps/plugins/doom/rockmacros.h
View file

@ -91,4 +91,13 @@ inline void* memcpy(void* dst, const void* src, size_t size);
#define NO_PREDEFINED_LUMPS
#define TABLES_AS_LUMPS // This frees up alot of space in the plugin buffer
//#define FANCY_MENU // This is a call to allow load_main_backdrop to run in doom
#define MAKE_FOURCC(a,b,c,d) (uint32_t)((((a)<<24)|((b)<<16)|((c)<<8)|(d)))
/* Config file magic - increment the version number whenever the settings
structure changes.
*/
#define DOOM_CONFIG_MAGIC MAKE_FOURCC('D','O','O','M')
#define DOOM_CONFIG_VERSION 1
#endif