mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-10 00:24:05 +02:00
ded8981416
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20470 3c298f89-4303-0410-b956-a3cf2f4a3e73
112 lines
2.3 KiB
Diff
112 lines
2.3 KiB
Diff
--- a/src/ldump.c
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+++ b/src/ldump.c
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@@ -67,12 +67,12 @@ static void DumpString(const TString* s,
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{
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if (s==NULL || getstr(s)==NULL)
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{
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- size_t size=0;
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+ unsigned int size=0;
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DumpVar(size,D);
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}
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else
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{
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- size_t size=s->tsv.len+1; /* include trailing '\0' */
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+ unsigned int size=s->tsv.len+1; /* include trailing '\0' */
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DumpVar(size,D);
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DumpBlock(getstr(s),size,D);
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}
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--- a/src/lundump.c
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+++ b/src/lundump.c
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@@ -25,6 +25,7 @@ typedef struct {
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ZIO* Z;
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Mbuffer* b;
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const char* name;
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+ int swap;
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} LoadState;
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#ifdef LUAC_TRUST_BINARIES
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@@ -40,7 +41,6 @@ static void error(LoadState* S, const ch
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}
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#endif
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-#define LoadMem(S,b,n,size) LoadBlock(S,b,(n)*(size))
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#define LoadByte(S) (lu_byte)LoadChar(S)
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#define LoadVar(S,x) LoadMem(S,&x,1,sizeof(x))
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#define LoadVector(S,b,n,size) LoadMem(S,b,n,size)
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@@ -51,6 +51,49 @@ static void LoadBlock(LoadState* S, void
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IF (r!=0, "unexpected end");
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}
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+static void LoadMem (LoadState* S, void* b, int n, size_t size)
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+{
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+ LoadBlock(S,b,n*size);
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+ if (S->swap)
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+ {
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+ char* p=(char*) b;
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+ char c;
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+ switch (size)
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+ {
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+ case 1:
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+ break;
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+ case 2:
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+ while (n--)
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+ {
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+ c=p[0]; p[0]=p[1]; p[1]=c;
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+ p+=2;
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+ }
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+ break;
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+ case 4:
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+ while (n--)
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+ {
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+ c=p[0]; p[0]=p[3]; p[3]=c;
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+ c=p[1]; p[1]=p[2]; p[2]=c;
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+ p+=4;
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+ }
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+ break;
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+ case 8:
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+ while (n--)
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+ {
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+ c=p[0]; p[0]=p[7]; p[7]=c;
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+ c=p[1]; p[1]=p[6]; p[6]=c;
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+ c=p[2]; p[2]=p[5]; p[5]=c;
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+ c=p[3]; p[3]=p[4]; p[4]=c;
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+ p+=8;
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+ }
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+ break;
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+ default:
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+ IF(1, "bad size");
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+ break;
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+ }
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+ }
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+}
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+
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static int LoadChar(LoadState* S)
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{
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char x;
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@@ -82,7 +125,7 @@ static lua_Integer LoadInteger(LoadState
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static TString* LoadString(LoadState* S)
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{
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- size_t size;
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+ unsigned int size;
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LoadVar(S,size);
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if (size==0)
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return NULL;
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@@ -196,6 +239,7 @@ static void LoadHeader(LoadState* S)
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char s[LUAC_HEADERSIZE];
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luaU_header(h);
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LoadBlock(S,s,LUAC_HEADERSIZE);
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+ S->swap=(s[6]!=h[6]); s[6]=h[6];
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IF (memcmp(h,s,LUAC_HEADERSIZE)!=0, "bad header");
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}
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@@ -230,7 +274,7 @@ void luaU_header (char* h)
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*h++=(char)LUAC_FORMAT;
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*h++=(char)*(char*)&x; /* endianness */
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*h++=(char)sizeof(int);
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- *h++=(char)sizeof(size_t);
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+ *h++=(char)sizeof(unsigned int);
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*h++=(char)sizeof(Instruction);
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*h++=(char)sizeof(lua_Number);
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