Added wrapped swscanf

1 files changed, 94 insertions, 0 deletions

diff --git a/src/libtools/myalign.c b/src/libtools/myalign.c
index 0998f18f..45473bd8 100755
--- a/src/libtools/myalign.c
+++ b/src/libtools/myalign.c
@@ -362,6 +362,100 @@ void myStackAlignW(x64emu_t* emu, const char* fmt, uint64_t* st, uint64_t* mysta
     }
 }
 
+void myStackAlignScanfW(x64emu_t* emu, const char* fmt, uint64_t* st, uint64_t* mystack, int pos)
+{
+    
+    if(!fmt)
+        return;
+    // loop...
+    const wchar_t* p = (const wchar_t*)fmt;
+    int state = 0;
+    while(*p)
+    {
+        switch(state) {
+            case 0:
+                switch(*p) {
+                    case '%': state = 1; ++p; break;
+                    default:
+                        ++p;
+                }
+                break;
+            case 1: // normal
+            case 2: // l
+            case 3: // ll
+            case 4: // L
+                switch(*p) {
+                    case '%': state = 0;  ++p; break; //%% = back to 0
+                    case 'l': ++state; if (state>3) state=3; ++p; break;
+                    case 'L': state = 4; ++p; break;
+                    case 'a':
+                    case 'A':
+                    case 'e':
+                    case 'E':
+                    case 'g':
+                    case 'G':
+                    case 'F':
+                    case 'f': state += 10; break;    //  float
+                    case 'd':
+                    case 'i':
+                    case 'o':
+                    case 'u':
+                    case 'x':
+                    case 'X': state += 20; break;   // int
+                    case 'h': ++p; break;  // ignored...
+                    case '\'':
+                    case '0':
+                    case '1':
+                    case '2':
+                    case '3':
+                    case '4':
+                    case '5':
+                    case '6':
+                    case '7':
+                    case '8':
+                    case '9':
+                    case '.': 
+                    case '+': 
+                    case '-': ++p; break; // formating, ignored
+                    case 'm': state = 0; ++p; break; // no argument
+                    case 'n':
+                    case 'p':
+                    case 'S':
+                    case 's': state = 30; break; // pointers
+                    case '$': ++p; break; // should issue a warning, it's not handled...
+                    case '*': *(mystack++) = *(st++); ++p; break; // fetch an int in the stack....
+                    case ' ': state=0; ++p; break;
+                    default:
+                        state=20; // other stuff, put an int...
+                }
+                break;
+            case 11:    //double
+            case 12:    //%lg, still double
+            case 13:    //%llg, still double
+            case 14:    //%LG long double
+            case 20:    // fallback
+            case 21:
+            case 22:
+            case 23:    // 64bits int
+            case 24:    // normal int / pointer
+            case 30:
+                if(pos<6)
+                    *mystack = emu->regs[regs_abi[pos++]].q[0];
+                else {
+                    *mystack = *st;
+                    ++st;
+                }
+                ++mystack;
+                state = 0;
+                ++p;
+                break;
+            default:
+                // whaaaat?
+                state = 0;
+        }
+    }
+}
+
 #if 0
 void myStackAlignGVariantNew(const char* fmt, uint32_t* st, uint32_t* mystack)
 {