VePeeeeeeeeee

2 files changed, 77 insertions, 1 deletions

diff --git a/VP/Makefile b/VP/Makefile
index 9e723d3..13a540e 100755
--- a/VP/Makefile
+++ b/VP/Makefile
@@ -3,7 +3,7 @@
 CPPFLAGS=-Wall -g -O3 -mcpu=i686 -pedantic -pedantic-errors -Werror -I..
 CXX=g++
 
-TARGET = main_dump VP-CD1.sqr decomp-slz unarc
+TARGET = main_dump VP-CD1.sqr decomp-slz unarc search-script
 
 all: ${TARGET}
 
@@ -16,6 +16,9 @@ decomp-slz: decomp-slz.o ../fileutils.o ../fileutils.h ../generic.o ../generic.h
 unarc: unarc.o ../fileutils.o ../fileutils.h ../generic.o ../generic.h Makefile
 	${CXX} ${LDFLAGS} unarc.o ../fileutils.o ../generic.o -o unarc
 
+search-script: search-script.o ../fileutils.o ../fileutils.h ../generic.o ../generic.h Makefile
+	${CXX} ${LDFLAGS} search-script.o ../fileutils.o ../generic.o -o search-script
+
 clean:
 	rm -f *.o ${TARGET}
 
diff --git a/VP/search-script.cpp b/VP/search-script.cpp
new file mode 100644
index 0000000..263bc49
--- /dev/null
+++ b/VP/search-script.cpp
@@ -0,0 +1,73 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "fileutils.h"
+#include "generic.h"
+
+#define THRESHOLD 2000
+
+int main(int argc, char ** argv) {
+    int h, n, o, i, p, c, pp, b;
+    
+    verbosity = M_INFO;
+    
+    if (argc != 2) {
+	printm(M_BARE, "Usage: search-script <file>\n");
+	exit(-1);
+    }
+    
+    if ((h = open(argv[1], O_RDONLY)) < 0) {
+	printm(M_ERROR, "Error opening file %s\n", argv[1]);
+	exit(-1);
+    }
+    
+    printm(M_STATUS, "Reading informations...\n");
+    
+    read(h, &n, 4);
+    
+    o = n;
+    
+    n -= 4;
+    n /= 8;
+    
+    printm(M_INFO, "Script claims to have %i texts.\n", n);
+    
+    if (n > THRESHOLD) {
+	printm(M_ERROR, "Too much texts to make sense.\n");
+	exit(-1);
+    }
+    
+    printm(M_STATUS, "Reading index.\n");
+    
+    pp = -1;
+    for (i = 0; i < n; i++) {
+	lseek(h, i * 8 + 4, SEEK_SET);
+	read(h, &c, 4);
+	read(h, &p, 4);
+	printm(M_INFO, "Index #%i has pointer %i and counter %i\n", i, p, c);
+	if (pp > p) {
+	    printm(M_ERROR, "Script's text overlapping.\n");
+	    exit(-1);
+	}
+	
+	if (((unsigned int)(p + o)) > filesize(h)) {
+	    printm(M_ERROR, "Text bigger than script.\n");
+	    exit(-1);
+	}
+	
+	lseek(h, p + o - 1, SEEK_SET);
+	b = 0;
+	read(h, &b, 1);
+	
+	if (b) {
+	    printm(M_ERROR, "Byte before the pointer is not 0 (%i = 0x%02x)\n", b, b);
+	    exit(-1);
+	}
+	
+	pp = p;
+    }
+    
+    printm(M_STATUS, "Script seems ok to me.\n");
+    
+    exit(0);
+}