void removeSegmentInfoInformation(RVMINFO* currNode, const char* segment) {
char* segInfoFileName = combinePaths(currNode->directory, SEGINFO_FILE);
FILE* fd = fopen(segInfoFileName, "r");
if (fd) {
char line[1024];
char *tempFileName = combinePaths(currNode->directory, "lrvmSEGINFO""tmp");
FILE* tempFIleFd = fopen(tempFileName, "w");
while (readLineFromFile(fd,line,sizeof(line))) {
if (startsWith(SEGNAMESTR, line) && !strcmp(line + strlen(SEGNAMESTR), segment)) {
readLineFromFile(fd,line,sizeof(line));
} else {
fprintf(tempFIleFd, "%s\n", line);
}
}
fclose(tempFIleFd);
fclose(fd);
copyFile(tempFileName, segInfoFileName);
deleteFile(tempFileName);
free(tempFileName);
char* targetSegmentFile = combinePaths(currNode->directory, segment);
//Delete the backing store
deleteFile(targetSegmentFile);
free(targetSegmentFile);
}
free(segInfoFileName);
}
int isSegmentExists(const char *directory, const char *segment, unsigned long *size) {
int toRet = 0;
char* segInfoFileName = combinePaths(directory, SEGINFO_FILE);
struct stat fileInfo;
if (!stat(segInfoFileName, &fileInfo)) {
FILE* fd = fopen(segInfoFileName, "r");
if (fd) {
char line[1024];
while (readLineFromFile(fd,line,sizeof(line))) {
if (startsWith(SEGNAMESTR, line) && !strcmp(line + strlen(SEGNAMESTR), segment)) {
//We found the segment, read the size
toRet = 1;
readLineFromFile(fd,line,sizeof(line));
*size = atol(line + strlen(SEGSIZESTR));
break;
}
}
fclose(fd);
} else {
fprintf(stderr, "Corrupted File:Problem occured while trying to open seg info file:%s\n", segInfoFileName);
remove(segInfoFileName);
createFile(segInfoFileName);
}
} else {
createFile(segInfoFileName);
}
free(segInfoFileName);
return toRet;
}
void createNewSegment(const char *directory, const char *segment, unsigned long size, int extendSegment) {
char* segInfoFileName = combinePaths(directory, SEGINFO_FILE);
FILE* fd = fopen(segInfoFileName, "r");
if (fd) {
char line[1024];
char *tempFileName = combinePaths(directory, "lrvmSEGINFO""tmp");
FILE* tempFIleFd = fopen(tempFileName, "w");
while (readLineFromFile(fd,line,sizeof(line))) {
if (startsWith(SEGNAMESTR, line) && !strcmp(line + strlen(SEGNAMESTR), segment)) {
readLineFromFile(fd,line,sizeof(line));
fprintf(tempFIleFd, "%s%s\n", SEGNAMESTR, segment);
sprintf(line, "%s%lu", SEGSIZESTR, size);
fprintf(tempFIleFd, "%s\n", line);
} else {
fprintf(tempFIleFd, "%s\n", line);
}
}
if (!extendSegment) {
fprintf(tempFIleFd, "%s%s\n", SEGNAMESTR, segment);
sprintf(line, "%s%lu", SEGSIZESTR, size);
fprintf(tempFIleFd, "%s\n", line);
}
fclose(tempFIleFd);
fclose(fd);
copyFile(tempFileName, segInfoFileName);
deleteFile(tempFileName);
free(tempFileName);
} else {
fprintf(stderr, "STDERR:unable to read seg info file\n");
abort();
}
free(segInfoFileName);
struct stat fileInfo;
char* targetSegmentFile = combinePaths(directory, segment);
if (extendSegment && !stat(targetSegmentFile, &fileInfo)) {
char tempSegFileName[1024];
sprintf(tempSegFileName, "%s/%s%s%s", directory, SEGINFO_FILE, segment, "tmp");
copyExtended(targetSegmentFile, tempSegFileName, size);
copyFile(tempSegFileName, targetSegmentFile);
deleteFile(tempSegFileName);
} else {
createNullFile(targetSegmentFile, size);
}
free(targetSegmentFile);
}
//Gets a list of all files in the directory, excluding any subfolders in the directory
static vector<string> getAllFilesInDir(string directory)
{
vector<string> validFiles;
DIR* testDir;
dirent* entry;
testDir = opendir(directory.c_str());
while ((entry = readdir(testDir)))
{
string fullPath = combinePaths(directory, string(entry->d_name));
struct stat dirInfo;
bool err = (stat(fullPath.c_str(), &dirInfo) != 0);
bool isDir = S_ISDIR(dirInfo.st_mode);
bool aFile = !(err || isDir);
if (aFile)
validFiles.push_back(fullPath);
}
closedir(testDir);
return validFiles;
}
bool includeLibraryIfExists(MavenCompiler* c, string import) {
string look = combinePaths(c->binDirectory, c->iniFile.getKey("directories.lib")) + import + ".o";
if(fileExists(look))
c->extraLibraries.push(look);
return true;
}
