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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-08 11:53:00 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-08-08 11:53:00 +0200
commitb623f5953691b2a0614e6f1f4def86bdbb9a4113 (patch)
tree18102bd36f7e22eb2ba2b9f880e4cb29346f4cb8 /app/wlib/mswlib/mswchksm.c
parent359b557176b9bb2ff1aed2082641eed39c358d0d (diff)
New upstream version 5.2.0Beta2.1upstream/5.2.0Beta2.1
Diffstat (limited to 'app/wlib/mswlib/mswchksm.c')
-rw-r--r--app/wlib/mswlib/mswchksm.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/app/wlib/mswlib/mswchksm.c b/app/wlib/mswlib/mswchksm.c
deleted file mode 100644
index 602c204..0000000
--- a/app/wlib/mswlib/mswchksm.c
+++ /dev/null
@@ -1,125 +0,0 @@
-#include <stdio.h>
-#include <sys/stat.h>
-#include "../include/wlib.h"
-#ifdef WINDOWS
-#include <windows.h>
-#include "mswint.h"
-#endif
-
-#define HEWHDROFFSET (0x3C)
-
-static FILE * openfile( const char * fn, const char * mode, long * fileSize )
-{
- unsigned short PageCnt;
- long FileSize;
- FILE *fp;
- struct stat Stat;
- fp = fopen( fn, mode );
- if (fp == NULL) {
- perror( "fopen" );
- return NULL;
- }
- fread( &PageCnt, sizeof(PageCnt), 1, fp ); /* Read past signature */
- fread( &PageCnt, sizeof(PageCnt), 1, fp ); /* Read past pagesize */
- FileSize = PageCnt;
- fread( &PageCnt, sizeof(PageCnt), 1, fp ); /* Read past pagesize */
- if ( FileSize == 0L )
- FileSize = PageCnt * 512L;
- else
- FileSize += (PageCnt - 1) * 512L;
- *fileSize = FileSize;
- stat( fn, &Stat );
- *fileSize = (long)Stat.st_size;
- fprintf( stderr, "size1 = %ld, size2 = %ld\n", FileSize, (long)Stat.st_size );
- return fp;
-}
-
-
-static unsigned short mswCheck16( FILE * fp, long FileSize, unsigned short * sum16stored )
-{
- unsigned short int sum16, NxtInt;
- long x;
- unsigned char NxtChar;
- sum16 = 0;
- fseek(fp, 0, SEEK_SET);
-
- for (x=0L; x<FileSize/2L; x++) {
- fread( &NxtInt, sizeof NxtInt, 1, fp );
- if (x == 9)
- *sum16stored = NxtInt;
- else
- sum16 += NxtInt;
- }
- if (FileSize%2) {
- fread( &NxtChar, sizeof NxtChar, 1, fp );
- sum16 += (unsigned int)NxtChar;
- }
- return sum16;
-}
-
-
-static int mswCheck32( FILE * fp, long FileSize, long * sum32off, unsigned long * sum32computed, unsigned long * sum32stored )
-{
- unsigned long sum32, NxtLong;
- long x;
- long NewHdrOffset;
- unsigned char NxtByte, y;
-
- fseek( fp, HEWHDROFFSET, SEEK_SET );
- fread( &NewHdrOffset, sizeof NewHdrOffset, 1, fp );
- if (NewHdrOffset == 0) {
- fprintf( stderr, "NewHdrOffset == 0\n" );
- return 0;
- }
- NewHdrOffset = (NewHdrOffset/4)*4;
- *sum32off = NewHdrOffset + 8;
- sum32 = 0L;
- fseek( fp, 0, SEEK_SET );
- for (x = ( NewHdrOffset + 8 ) / 4; x; x-- ) {
- fread( &NxtLong, sizeof NxtLong, 1, fp );
- sum32 += NxtLong;
- }
- fread( sum32stored, sizeof sum32stored, 1, fp );
-
- for (x=0; x<(FileSize-NewHdrOffset - 12)/4; x++) {
- fread( &NxtLong, sizeof NxtLong, 1, fp );
- sum32 += NxtLong;
- }
- if ( 0L != (x=FileSize%4L) ) {
- NxtLong = 0L;
- for (y=0; y<x; y++ ) {
- fread( &NxtByte, sizeof NxtByte, 1, fp );
- NxtLong += (unsigned long)NxtByte << (8*y);
- }
- sum32 += NxtLong;
- }
- *sum32computed = sum32;
- return 1;
-}
-
-
-#ifdef WINDOWS
-wBool_t wCheckExecutable( void )
-{
- char fileName[1024];
- FILE * fp;
- long FileSize;
- GetModuleFileName( mswHInst, fileName, sizeof fileName );
- fp = openfile( fileName, "rb", &FileSize );
-#ifdef LATER
- {
- unsigned long int sum32offset, sum32computed, sum32stored;
- if ( ! mswCheck32( fp, FileSize, &sum32offset, &sum32computed, &sum32stored ) )
- return FALSE;
- return sum32computed == sum32stored;
- }
-#else
- {
- unsigned short int sum16computed, sum16stored;
- sum16computed = mswCheck16( fp, FileSize, &sum16stored );
- sum16computed += sum16stored;
- return sum16computed == 0xFFFF;
- }
-#endif
-}
-#endif