HeeroYui/HexViewer
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Automatic calibration of the delta between files

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This commit is contained in:
Edouard Dupin 2012-06-06 12:57:02 +02:00
parent 6edb7a72a1
commit 265e2769e0
2 changed files with 64 additions and 4 deletions
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4
Makefile
View File

@ -91,8 +91,8 @@ package: all
# copy licence and information :
@cp README package/$(PROG_NAME)/usr/share/doc/README
@cp licence.txt package/$(PROG_NAME)/usr/share/doc/copyright
@echo "First generation in progress" >> package/$(PROG_NAME)/usr/share/doc/changelog
@#cp -vf $(PROG_NAME) package/$(PROG_NAME)/usr/bin/
@echo "First generation in progress" > package/$(PROG_NAME)/usr/share/doc/changelog
@cp -vf $(PROG_NAME) package/$(PROG_NAME)/usr/bin/
@#cp -vf data/*.xml package/$(PROG_NAME)/usr/share/edn/
@cd package; dpkg-deb --build $(PROG_NAME)

64
main.c
View File

@ -42,6 +42,7 @@ void usage(void)
printf("\t\t[s] Change the view of the propram of the size of interpretation (8/16/32/64 bits)\n");
printf("\t\t[t] Change the interpretation of Data (hexedecimal, Signed Decimal, Unigned Decimal)\n");
printf("\t\t[f] Find the first Error when comparing the two files\n");
printf("\t\t[c] Calibrate the delta between the 2 file (fist element !=0)\n");
printf("\t\t[UP] Go up (5 lines)\n");
printf("\t\t[DOWN] Go down (5 lines)\n");
printf("\t\t[LEFT] Go up (one screen)\n");
@ -68,11 +69,21 @@ int32_t findFirstDiff(void)
|| NULL == filePointer[1] ) {
return 0;
}
int32_t paddingFile = getPaddingOffsetFile();
int32_t pad1 = 0;
int32_t pad2 = 0;
if (paddingFile>0) {
pad1 = paddingFile;
pad2 = 0;
} else {
pad1 = 0;
pad2 = -1*paddingFile;
}
if(NULL != filePointer[0]) {
fseek ( filePointer[0] , 0 , SEEK_SET );
fseek ( filePointer[0] , pad1 , SEEK_SET );
}
if(NULL != filePointer[1]) {
fseek ( filePointer[1] , 0 , SEEK_SET );
fseek ( filePointer[1] , pad2 , SEEK_SET );
}
while ( fread(&data1, sizeof(uint8_t), 1, filePointer[0]) == 1
&& fread(&data2, sizeof(uint8_t), 1, filePointer[1]) == 1)
@ -85,6 +96,51 @@ int32_t findFirstDiff(void)
return offset;
}
void AutoSetPadding(void)
{
displayPaddingOffset(0);
if( NULL == filePointer[0]
|| NULL == filePointer[1] ) {
return;
}
if(NULL != filePointer[0]) {
fseek ( filePointer[0] , 0 , SEEK_SET );
}
int32_t offset1 = 0;
char data;
while(fread(&data, sizeof(uint8_t), 1, filePointer[0]) == 1)
{
if (data != 0) {
break;
}
offset1 ++;
}
if(NULL != filePointer[1]) {
fseek ( filePointer[1] , 0 , SEEK_SET );
}
int32_t offset2 = 0;
while(fread(&data, sizeof(uint8_t), 1, filePointer[1]) == 1)
{
if (data != 0) {
break;
}
offset2 ++;
}
if (offset1 == offset2) {
return;
}
if (offset1 == 0) {
return;
}
if (0 == offset2) {
return;
}
displayPaddingOffset(offset1 - offset2);
}
void UpdateFilesSize(void)
{
// get size file 1
@ -317,6 +373,10 @@ int main (int argc, char**argv)
case 'M':
displayPaddingOffsetClear();
break;
case 'c':
case 'C':
AutoSetPadding();
break;
}
}
} else {