YQL-16239 Move purecalc to public

1 files changed, 79 insertions, 0 deletions

diff --git a/library/cpp/deprecated/fgood/fput.h b/library/cpp/deprecated/fgood/fput.h
new file mode 100644
index 0000000000..690b06332d
--- /dev/null
+++ b/library/cpp/deprecated/fgood/fput.h
@@ -0,0 +1,79 @@
+#pragma once
+
+#include <util/system/defaults.h>
+#include <util/system/valgrind.h>
+
+#include <cstdio>
+
+#ifdef __FreeBSD__
+#include <cstring>
+
+template <class T>
+Y_FORCE_INLINE size_t fput(FILE* F, const T& a) {
+    if (Y_LIKELY(F->_w >= int(sizeof(a)))) {
+        memcpy(F->_p, &a, sizeof(a));
+        F->_p += sizeof(a);
+        F->_w -= sizeof(a);
+        return 1;
+    } else {
+        return fwrite(&a, sizeof(a), 1, F);
+    }
+}
+
+template <class T>
+Y_FORCE_INLINE size_t fget(FILE* F, T& a) {
+    if (Y_LIKELY(F->_r >= int(sizeof(a)))) {
+        memcpy(&a, F->_p, sizeof(a));
+        F->_p += sizeof(a);
+        F->_r -= sizeof(a);
+        return 1;
+    } else {
+        return fread(&a, sizeof(a), 1, F);
+    }
+}
+
+inline size_t fsput(FILE* F, const char* s, size_t l) {
+    VALGRIND_CHECK_READABLE(s, l);
+
+    if ((size_t)F->_w >= l) {
+        memcpy(F->_p, s, l);
+        F->_p += l;
+        F->_w -= l;
+        return l;
+    } else {
+        return fwrite(s, 1, l, F);
+    }
+}
+
+inline size_t fsget(FILE* F, char* s, size_t l) {
+    if ((size_t)F->_r >= l) {
+        memcpy(s, F->_p, l);
+        F->_p += l;
+        F->_r -= l;
+        return l;
+    } else {
+        return fread(s, 1, l, F);
+    }
+}
+#else
+template <class T>
+Y_FORCE_INLINE size_t fput(FILE* F, const T& a) {
+    return fwrite(&a, sizeof(a), 1, F);
+}
+
+template <class T>
+Y_FORCE_INLINE size_t fget(FILE* F, T& a) {
+    return fread(&a, sizeof(a), 1, F);
+}
+
+inline size_t fsput(FILE* F, const char* s, size_t l) {
+#ifdef WITH_VALGRIND
+    VALGRIND_CHECK_READABLE(s, l);
+#endif
+    return fwrite(s, 1, l, F);
+}
+
+inline size_t fsget(FILE* F, char* s, size_t l) {
+    return fread(s, 1, l, F);
+}
+#endif