Skip to main content

Browse the archive

Staging
v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision ab0d8e356ecd351d55f89519a6a97a1e69c0dfab authored by Miss Islington (bot) on 21 January 2020, 11:42:49 UTC, committed by GitHub on 21 January 2020, 11:42:49 UTC 
bpo-39389: gzip: fix compression level metadata (GH-18077)
 

As described in RFC 1952, section 2.3.1, the XFL (eXtra FLags) byte of a
gzip member header should indicate whether the DEFLATE algorithm was
tuned for speed or compression ratio. Prior to this patch, archives
emitted by the `gzip` module always indicated maximum compression.
(cherry picked from commit eab3b3f1c60afecfb4db3c3619109684cb04bd60)

Co-authored-by: William Chargin <wchargin@gmail.com>
1 parent 060ad2f
Raw File
Tip revision: ab0d8e356ecd351d55f89519a6a97a1e69c0dfab authored by Miss Islington (bot) on 21 January 2020, 11:42:49 UTC
bpo-39389: gzip: fix compression level metadata (GH-18077)
Tip revision: ab0d8e3
node.h 

/* Parse tree node interface */

#ifndef Py_NODE_H
#define Py_NODE_H
#ifdef __cplusplus
extern "C" {
#endif

typedef struct _node {
    short               n_type;
    char                *n_str;
    int                 n_lineno;
    int                 n_col_offset;
    int                 n_nchildren;
    struct _node        *n_child;
    int                 n_end_lineno;
    int                 n_end_col_offset;
} node;

PyAPI_FUNC(node *) PyNode_New(int type);
PyAPI_FUNC(int) PyNode_AddChild(node *n, int type,
                                char *str, int lineno, int col_offset,
                                int end_lineno, int end_col_offset);
PyAPI_FUNC(void) PyNode_Free(node *n);
#ifndef Py_LIMITED_API
PyAPI_FUNC(Py_ssize_t) _PyNode_SizeOf(node *n);
#endif

/* Node access functions */
#define NCH(n)          ((n)->n_nchildren)

#define CHILD(n, i)     (&(n)->n_child[i])
#define RCHILD(n, i)    (CHILD(n, NCH(n) + i))
#define TYPE(n)         ((n)->n_type)
#define STR(n)          ((n)->n_str)
#define LINENO(n)       ((n)->n_lineno)

/* Assert that the type of a node is what we expect */
#define REQ(n, type) assert(TYPE(n) == (type))

PyAPI_FUNC(void) PyNode_ListTree(node *);
void _PyNode_FinalizeEndPos(node *n);  // helper also used in parsetok.c

#ifdef __cplusplus
}
#endif
#endif /* !Py_NODE_H */
back to top