python 2.7 -> python 3.14

extern/include/python/internal/pycore_bytesobject.h

@@ -0,0 +1,149 @@
+#ifndef Py_INTERNAL_BYTESOBJECT_H
+#define Py_INTERNAL_BYTESOBJECT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef Py_BUILD_CORE
+#  error "this header requires Py_BUILD_CORE define"
+#endif
+
+extern PyObject* _PyBytes_FormatEx(
+    const char *format,
+    Py_ssize_t format_len,
+    PyObject *args,
+    int use_bytearray);
+
+extern PyObject* _PyBytes_FromHex(
+    PyObject *string,
+    int use_bytearray);
+
+// Helper for PyBytes_DecodeEscape that detects invalid escape chars.
+// Export for test_peg_generator.
+PyAPI_FUNC(PyObject*) _PyBytes_DecodeEscape2(const char *, Py_ssize_t,
+                                             const char *,
+                                             int *, const char **);
+
+
+// Substring Search.
+//
+// Returns the index of the first occurrence of
+// a substring ("needle") in a larger text ("haystack").
+// If the needle is not found, return -1.
+// If the needle is found, add offset to the index.
+//
+// Export for 'mmap' shared extension.
+PyAPI_FUNC(Py_ssize_t)
+_PyBytes_Find(const char *haystack, Py_ssize_t len_haystack,
+              const char *needle, Py_ssize_t len_needle,
+              Py_ssize_t offset);
+
+// Same as above, but search right-to-left.
+// Export for 'mmap' shared extension.
+PyAPI_FUNC(Py_ssize_t)
+_PyBytes_ReverseFind(const char *haystack, Py_ssize_t len_haystack,
+                     const char *needle, Py_ssize_t len_needle,
+                     Py_ssize_t offset);
+
+
+// Helper function to implement the repeat and inplace repeat methods on a
+// buffer.
+//
+// len_dest is assumed to be an integer multiple of len_src.
+// If src equals dest, then assume the operation is inplace.
+//
+// This method repeately doubles the number of bytes copied to reduce
+// the number of invocations of memcpy.
+//
+// Export for 'array' shared extension.
+PyAPI_FUNC(void)
+_PyBytes_Repeat(char* dest, Py_ssize_t len_dest,
+    const char* src, Py_ssize_t len_src);
+
+/* --- _PyBytesWriter ----------------------------------------------------- */
+
+/* The _PyBytesWriter structure is big: it contains an embedded "stack buffer".
+   A _PyBytesWriter variable must be declared at the end of variables in a
+   function to optimize the memory allocation on the stack. */
+typedef struct {
+    /* bytes, bytearray or NULL (when the small buffer is used) */
+    PyObject *buffer;
+
+    /* Number of allocated size. */
+    Py_ssize_t allocated;
+
+    /* Minimum number of allocated bytes,
+       incremented by _PyBytesWriter_Prepare() */
+    Py_ssize_t min_size;
+
+    /* If non-zero, use a bytearray instead of a bytes object for buffer. */
+    int use_bytearray;
+
+    /* If non-zero, overallocate the buffer (default: 0).
+       This flag must be zero if use_bytearray is non-zero. */
+    int overallocate;
+
+    /* Stack buffer */
+    int use_small_buffer;
+    char small_buffer[512];
+} _PyBytesWriter;
+
+/* Initialize a bytes writer
+
+   By default, the overallocation is disabled. Set the overallocate attribute
+   to control the allocation of the buffer.
+
+   Export _PyBytesWriter API for '_pickle' shared extension. */
+PyAPI_FUNC(void) _PyBytesWriter_Init(_PyBytesWriter *writer);
+
+/* Get the buffer content and reset the writer.
+   Return a bytes object, or a bytearray object if use_bytearray is non-zero.
+   Raise an exception and return NULL on error. */
+PyAPI_FUNC(PyObject *) _PyBytesWriter_Finish(_PyBytesWriter *writer,
+    void *str);
+
+/* Deallocate memory of a writer (clear its internal buffer). */
+PyAPI_FUNC(void) _PyBytesWriter_Dealloc(_PyBytesWriter *writer);
+
+/* Allocate the buffer to write size bytes.
+   Return the pointer to the beginning of buffer data.
+   Raise an exception and return NULL on error. */
+PyAPI_FUNC(void*) _PyBytesWriter_Alloc(_PyBytesWriter *writer,
+    Py_ssize_t size);
+
+/* Ensure that the buffer is large enough to write *size* bytes.
+   Add size to the writer minimum size (min_size attribute).
+
+   str is the current pointer inside the buffer.
+   Return the updated current pointer inside the buffer.
+   Raise an exception and return NULL on error. */
+PyAPI_FUNC(void*) _PyBytesWriter_Prepare(_PyBytesWriter *writer,
+    void *str,
+    Py_ssize_t size);
+
+/* Resize the buffer to make it larger.
+   The new buffer may be larger than size bytes because of overallocation.
+   Return the updated current pointer inside the buffer.
+   Raise an exception and return NULL on error.
+
+   Note: size must be greater than the number of allocated bytes in the writer.
+
+   This function doesn't use the writer minimum size (min_size attribute).
+
+   See also _PyBytesWriter_Prepare().
+   */
+PyAPI_FUNC(void*) _PyBytesWriter_Resize(_PyBytesWriter *writer,
+    void *str,
+    Py_ssize_t size);
+
+/* Write bytes.
+   Raise an exception and return NULL on error. */
+PyAPI_FUNC(void*) _PyBytesWriter_WriteBytes(_PyBytesWriter *writer,
+    void *str,
+    const void *bytes,
+    Py_ssize_t size);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_INTERNAL_BYTESOBJECT_H */