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plpython.h
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1 /*-------------------------------------------------------------------------
2  *
3  * plpython.h - Python as a procedural language for PostgreSQL
4  *
5  * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
6  * Portions Copyright (c) 1994, Regents of the University of California
7  *
8  * src/pl/plpython/plpython.h
9  *
10  *-------------------------------------------------------------------------
11  */
12 #ifndef PLPYTHON_H
13 #define PLPYTHON_H
14 
15 /*
16  * Include order should be: postgres.h, other postgres headers, plpython.h,
17  * other plpython headers. (In practice, other plpython headers will also
18  * include this file, so that they can compile standalone.)
19  */
20 #ifndef POSTGRES_H
21 #error postgres.h must be included before plpython.h
22 #endif
23 
24 /*
25  * Undefine some things that get (re)defined in the Python headers. They aren't
26  * used by the PL/Python code, and all PostgreSQL headers should be included
27  * earlier, so this should be pretty safe.
28  */
29 #undef _POSIX_C_SOURCE
30 #undef _XOPEN_SOURCE
31 
32 /*
33  * Sometimes python carefully scribbles on our *printf macros.
34  * So we undefine them here and redefine them after it's done its dirty deed.
35  */
36 #undef vsnprintf
37 #undef snprintf
38 #undef vsprintf
39 #undef sprintf
40 #undef vfprintf
41 #undef fprintf
42 #undef vprintf
43 #undef printf
44 
45 #if defined(_MSC_VER) && defined(_DEBUG)
46 /* Python uses #pragma to bring in a non-default libpython on VC++ if
47  * _DEBUG is defined */
48 #undef _DEBUG
49 /* Also hide away errcode, since we load Python.h before postgres.h */
50 #define errcode __msvc_errcode
51 #include <Python.h>
52 #undef errcode
53 #define _DEBUG
54 #elif defined (_MSC_VER)
55 #define errcode __msvc_errcode
56 #include <Python.h>
57 #undef errcode
58 #else
59 #include <Python.h>
60 #endif
61 
62 /* define our text domain for translations */
63 #undef TEXTDOMAIN
64 #define TEXTDOMAIN PG_TEXTDOMAIN("plpython")
65 
66 /* put back our *printf macros ... this must match src/include/port.h */
67 #ifdef vsnprintf
68 #undef vsnprintf
69 #endif
70 #ifdef snprintf
71 #undef snprintf
72 #endif
73 #ifdef vsprintf
74 #undef vsprintf
75 #endif
76 #ifdef sprintf
77 #undef sprintf
78 #endif
79 #ifdef vfprintf
80 #undef vfprintf
81 #endif
82 #ifdef fprintf
83 #undef fprintf
84 #endif
85 #ifdef vprintf
86 #undef vprintf
87 #endif
88 #ifdef printf
89 #undef printf
90 #endif
91 
92 #define vsnprintf pg_vsnprintf
93 #define snprintf pg_snprintf
94 #define vsprintf pg_vsprintf
95 #define sprintf pg_sprintf
96 #define vfprintf pg_vfprintf
97 #define fprintf pg_fprintf
98 #define vprintf pg_vprintf
99 #define printf(...) pg_printf(__VA_ARGS__)
100 
101 /*
102  * Used throughout, so it's easier to just include it everywhere.
103  */
104 #include "plpy_util.h"
105 
106 #endif /* PLPYTHON_H */