sjs/gh-BertoldVdb-ZoneDetect
1
0
Fork 0
mirror of https://github.com/BertoldVdb/ZoneDetect.git synced 2026-04-27 14:57:40 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Support relative strings in metadata

Browse source
This commit is contained in:
Bertold Van den Bergh 2018-03-11 01:42:08 +01:00
parent 069c4cd546
commit 2ef229ff01
1 changed files with 17 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
library/zonedetect.c
View file

@ -101,21 +101,34 @@ static char* ZDParseString(ZoneDetect* library, uint32_t* index) {
return NULL; return NULL;
} }
if(strLength > 1024) { uint32_t strOffset = *index;
unsigned int remoteStr = 0;
if(strLength >= 256) {
strOffset = library->metadataOffset + strLength - 256;
remoteStr = 1;
if(!ZDDecodeVariableLengthUnsigned(library, &strOffset, &strLength)) {
return NULL; return NULL;
} }
if(strLength > 256) {
return NULL;
}
}
char* str = malloc(strLength + 1); char* str = malloc(strLength + 1);
if(str) { if(str) {
unsigned int i; unsigned int i;
for(i=0; i<strLength; i++) { for(i=0; i<strLength; i++) {
str[i] = library->mapping[*index+i] ^ 0x80; str[i] = library->mapping[strOffset+i] ^ 0x80;
} }
str[strLength] = 0; str[strLength] = 0;
} }
if(!remoteStr) {
*index += strLength; *index += strLength;
}
return str; return str;
} }