diff options
Diffstat (limited to 'mwrite_heap.c')
| -rw-r--r-- | mwrite_heap.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/mwrite_heap.c b/mwrite_heap.c new file mode 100644 index 0000000..ce2f2c3 --- /dev/null +++ b/mwrite_heap.c @@ -0,0 +1,237 @@ + +#include <Traps.h> +#include <Memory.h> +#include <Files.h> +#include <Errors.h> +#include <Script.h> +#include <Resources.h> +#include <LowMem.h> + +#define pb_RefNum (((HIOParam*)&pb)->ioRefNum) +#define pb_Permssn (((HIOParam*)&pb)->ioPermssn) +#define pb_Misc (((HIOParam*)&pb)->ioMisc) +#define pb_PosMode (((HIOParam*)&pb)->ioPosMode) +#define pb_PosOffset (((HIOParam*)&pb)->ioPosOffset) +#define pb_Buffer (((HIOParam*)&pb)->ioBuffer) +#define pb_NamePtr (((HIOParam*)&pb)->ioNamePtr) +#define pb_VRefNum (((HIOParam*)&pb)->ioVRefNum) +#define pb_DirID (((HFileParam*)&pb)->ioDirID) +#define pb_FDirIndex (((HFileParam*)&pb)->ioFDirIndex) +#define pb_FlFndrInfo (((HFileParam*)&pb)->ioFlFndrInfo) +#define pb_ReqCount (((HIOParam*)&pb)->ioReqCount) +#define pb_ActCount (((HIOParam*)&pb)->ioActCount) + +struct heap_info { + int *heap1_begin; + int *heap1_end; + int *heap2_begin; + int *heap2_end; + int *stack_begin; + int *stack_end; + int *text_begin; + int *data_begin; + int *small_integers; + int *characters; + int int_descriptor; + int char_descriptor; + int real_descriptor; + int bool_descriptor; + int string_descriptor; + int array_descriptor; +}; + +static int heap_written_count=0; + +#define MAX_N_HEAPS 10 + +void write_heap (struct heap_info *h) +{ + HParamBlockRec pb; + OSErr error; + Str32 application_name,heap_file_name; + int application_name_length; + + if (heap_written_count>=MAX_N_HEAPS) + return; + + { + unsigned char *s; + int n; + + s=LMGetCurApName(); + application_name_length=*s++; + + for (n=0; n<32; ++n){ + if (n>=application_name_length) + application_name[n]='\0'; + else { + application_name[n]=*s; + if (*s!='\0') + ++s; + } + } + } + + { + char *end_heap_file_name_p; + int n,heap_file_name_length; + + for (n=0; n<application_name_length; ++n) + heap_file_name[1+n]=application_name[n]; + + heap_file_name_length=application_name_length+14; + if (heap_file_name_length>31) + heap_file_name_length=31; + heap_file_name[0]=heap_file_name_length; + + end_heap_file_name_p=(char*)&heap_file_name[1+heap_file_name_length]; + + end_heap_file_name_p[-14]=' '; + end_heap_file_name_p[-13]='H'; + end_heap_file_name_p[-12]='e'; + end_heap_file_name_p[-11]='a'; + end_heap_file_name_p[-10]='p'; + end_heap_file_name_p[-9]=' '; + end_heap_file_name_p[-8]='P'; + end_heap_file_name_p[-7]='r'; + end_heap_file_name_p[-6]='o'; + end_heap_file_name_p[-5]='f'; + end_heap_file_name_p[-4]='i'; + end_heap_file_name_p[-3]='l'; + end_heap_file_name_p[-2]='e'; + end_heap_file_name_p[-1]='0'+heap_written_count++; + } + + pb_NamePtr=heap_file_name; + pb_VRefNum=0; + pb_DirID=0; + + error=PBHCreateSync ((void*)&pb); + if (error!=noErr && error!=-48/* dupFNErr*/){ + heap_written_count=MAX_N_HEAPS; + return; + } + + pb_VRefNum=0; + pb_DirID=0; + pb_FDirIndex=0; + + if (PBHGetFInfoSync ((void*)&pb)==noErr){ + pb_VRefNum=0; + pb_DirID=0; + pb_FlFndrInfo.fdCreator='PRHP'; + pb_FlFndrInfo.fdType='PRHP'; + PBHSetFInfoSync ((void*)&pb); + } + + pb_NamePtr=heap_file_name; + pb_VRefNum=0; + pb_DirID=0; + pb_Misc=(Ptr)0; + pb_Permssn=fsWrPerm; + + error=PBHOpenSync ((void*)&pb); + if (error!=noErr){ + heap_written_count=MAX_N_HEAPS; + return; + } + + pb_Buffer=(char*)application_name; + pb_ReqCount=32; + + pb_PosMode=fsAtMark; + pb_PosOffset=0; + + error=PBWriteSync ((ParmBlkPtr)&pb); + if (error!=noErr){ + PBCloseSync ((ParmBlkPtr)&pb); + heap_written_count=MAX_N_HEAPS; + return; + } + + pb_Buffer=(char*)h; + pb_ReqCount=sizeof (struct heap_info); + + pb_PosMode=fsAtMark; + pb_PosOffset=0; + + error=PBWriteSync ((ParmBlkPtr)&pb); + if (error!=noErr){ + PBCloseSync ((ParmBlkPtr)&pb); + heap_written_count=MAX_N_HEAPS; + return; + } + +#if 0 + { + int n; + Handle h; + + n=0; + do { + h=Get1Resource ('CODE',n); + + if (h!=NULL) + pb_Buffer=(char*)h; + else + pb_Buffer=(char*)&h; + pb_ReqCount=sizeof (Ptr); + + pb_PosMode=fsAtMark; + pb_PosOffset=0; + + error=PBWriteSync ((ParmBlkPtr)&pb); + if (error!=noErr){ + PBCloseSync ((ParmBlkPtr)&pb); + heap_written_count=MAX_N_HEAPS; + return; + } + + ++n; + } while (h!=NULL); + } +#endif + + pb_Buffer=(char*)h->stack_begin; + pb_ReqCount=(int)(h->stack_end) - (int)(h->stack_begin); + + pb_PosMode=fsAtMark; + pb_PosOffset=0; + + error=PBWriteSync ((ParmBlkPtr)&pb); + if (error!=noErr){ + PBCloseSync ((ParmBlkPtr)&pb); + heap_written_count=MAX_N_HEAPS; + return; + } + + pb_Buffer=(char*)h->heap1_begin; + pb_ReqCount=(int)(h->heap1_end) - (int)(h->heap1_begin); + + pb_PosMode=fsAtMark; + pb_PosOffset=0; + + error=PBWriteSync ((ParmBlkPtr)&pb); + if (error!=noErr){ + PBCloseSync ((ParmBlkPtr)&pb); + heap_written_count=MAX_N_HEAPS; + return; + } + + if (h->heap2_begin!=h->heap2_end){ + pb_Buffer=(char*)h->heap2_begin; + pb_ReqCount=(int)(h->heap2_end) - (int)(h->heap2_begin); + + pb_PosMode=fsAtMark; + pb_PosOffset=0; + + error=PBWriteSync ((ParmBlkPtr)&pb); + if (error!=noErr){ + PBCloseSync ((ParmBlkPtr)&pb); + heap_written_count=MAX_N_HEAPS; + return; + } + } + + PBCloseSync ((ParmBlkPtr)&pb); +} |