size_t SkFILEStream::read(void* buffer, size_t size) {
if (fFILE) {
if (buffer == NULL && size == 0) { // special signature, they want the total size
return sk_fgetsize(fFILE);
} else {
return sk_fread(buffer, size, fFILE);
}
}
return 0;
}
// dump all known runtime config options to the file with their default values.
// to trigger this, make a config file of zero size.
void SkRTConfRegistry::possiblyDumpFile() const {
const char *path = configFileLocation();
SkFILE *fp = sk_fopen(path, kRead_SkFILE_Flag);
if (!fp) {
return;
}
size_t configFileSize = sk_fgetsize(fp);
if (configFileSize == 0) {
printAll(path);
}
sk_fclose(fp);
}
static bool read_test_case(const char* filename, SkString* testdata) {
FILE* file = sk_fopen(filename, kRead_SkFILE_Flag);
if (!file) {
SkDebugf("couldn't open file %s\n", filename);
return false;
}
size_t len = sk_fgetsize(file);
if (!len) {
SkDebugf("couldn't read file %s\n", filename);
return false;
}
testdata->resize(len);
(void) fread(testdata->writable_str(), len, file);
return true;
}
size_t SkFILEStream::getLength() const {
return sk_fgetsize(fFILE);
}
bool SkFILEStream::isAtEnd() const {
if (fOffset == fSize) {
return true;
}
return fOffset >= sk_fgetsize(fFILE.get());
}
SkFILEStream::SkFILEStream(FILE* file)
: SkFILEStream(std::shared_ptr<FILE>(file, sk_fclose),
file ? sk_fgetsize(file) : 0,
file ? sk_ftell(file) : 0)
{ }
