PostgreSQL Source Code  git master
port.h
Go to the documentation of this file.
1 /*-------------------------------------------------------------------------
2  *
3  * port.h
4  * Header for src/port/ compatibility functions.
5  *
6  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  * src/include/port.h
10  *
11  *-------------------------------------------------------------------------
12  */
13 #ifndef PG_PORT_H
14 #define PG_PORT_H
15 
16 #include <ctype.h>
17 #include <netdb.h>
18 #include <pwd.h>
19 
20 /*
21  * Windows has enough specialized port stuff that we push most of it off
22  * into another file.
23  * Note: Some CYGWIN includes might #define WIN32.
24  */
25 #if defined(WIN32) && !defined(__CYGWIN__)
26 #include "port/win32_port.h"
27 #endif
28 
29 /* socket has a different definition on WIN32 */
30 #ifndef WIN32
31 typedef int pgsocket;
32 
33 #define PGINVALID_SOCKET (-1)
34 #else
35 typedef SOCKET pgsocket;
36 
37 #define PGINVALID_SOCKET INVALID_SOCKET
38 #endif
39 
40 /* non-blocking */
41 extern bool pg_set_noblock(pgsocket sock);
42 extern bool pg_set_block(pgsocket sock);
43 
44 /* Portable path handling for Unix/Win32 (in path.c) */
45 
46 extern bool has_drive_prefix(const char *filename);
47 extern char *first_dir_separator(const char *filename);
48 extern char *last_dir_separator(const char *filename);
49 extern char *first_path_var_separator(const char *pathlist);
50 extern void join_path_components(char *ret_path,
51  const char *head, const char *tail);
52 extern void canonicalize_path(char *path);
53 extern void make_native_path(char *path);
54 extern void cleanup_path(char *path);
55 extern bool path_contains_parent_reference(const char *path);
56 extern bool path_is_relative_and_below_cwd(const char *path);
57 extern bool path_is_prefix_of_path(const char *path1, const char *path2);
58 extern char *make_absolute_path(const char *path);
59 extern const char *get_progname(const char *argv0);
60 extern void get_share_path(const char *my_exec_path, char *ret_path);
61 extern void get_etc_path(const char *my_exec_path, char *ret_path);
62 extern void get_include_path(const char *my_exec_path, char *ret_path);
63 extern void get_pkginclude_path(const char *my_exec_path, char *ret_path);
64 extern void get_includeserver_path(const char *my_exec_path, char *ret_path);
65 extern void get_lib_path(const char *my_exec_path, char *ret_path);
66 extern void get_pkglib_path(const char *my_exec_path, char *ret_path);
67 extern void get_locale_path(const char *my_exec_path, char *ret_path);
68 extern void get_doc_path(const char *my_exec_path, char *ret_path);
69 extern void get_html_path(const char *my_exec_path, char *ret_path);
70 extern void get_man_path(const char *my_exec_path, char *ret_path);
71 extern bool get_home_path(char *ret_path);
72 extern void get_parent_directory(char *path);
73 
74 /* common/pgfnames.c */
75 extern char **pgfnames(const char *path);
76 extern void pgfnames_cleanup(char **filenames);
77 
78 /*
79  * is_absolute_path
80  *
81  * By making this a macro we avoid needing to include path.c in libpq.
82  */
83 #ifndef WIN32
84 #define IS_DIR_SEP(ch) ((ch) == '/')
85 
86 #define is_absolute_path(filename) \
87 ( \
88  IS_DIR_SEP((filename)[0]) \
89 )
90 #else
91 #define IS_DIR_SEP(ch) ((ch) == '/' || (ch) == '\\')
92 
93 /* See path_is_relative_and_below_cwd() for how we handle 'E:abc'. */
94 #define is_absolute_path(filename) \
95 ( \
96  IS_DIR_SEP((filename)[0]) || \
97  (isalpha((unsigned char) ((filename)[0])) && (filename)[1] == ':' && \
98  IS_DIR_SEP((filename)[2])) \
99 )
100 #endif
101 
102 /* Portable locale initialization (in exec.c) */
103 extern void set_pglocale_pgservice(const char *argv0, const char *app);
104 
105 /* Portable way to find binaries (in exec.c) */
106 extern int find_my_exec(const char *argv0, char *retpath);
107 extern int find_other_exec(const char *argv0, const char *target,
108  const char *versionstr, char *retpath);
109 
110 /* Doesn't belong here, but this is used with find_other_exec(), so... */
111 #define PG_BACKEND_VERSIONSTR "postgres (PostgreSQL) " PG_VERSION "\n"
112 
113 
114 #if defined(WIN32) || defined(__CYGWIN__)
115 #define EXE ".exe"
116 #else
117 #define EXE ""
118 #endif
119 
120 #if defined(WIN32) && !defined(__CYGWIN__)
121 #define DEVNULL "nul"
122 #else
123 #define DEVNULL "/dev/null"
124 #endif
125 
126 /* Portable delay handling */
127 extern void pg_usleep(long microsec);
128 
129 /* Portable SQL-like case-independent comparisons and conversions */
130 extern int pg_strcasecmp(const char *s1, const char *s2);
131 extern int pg_strncasecmp(const char *s1, const char *s2, size_t n);
132 extern unsigned char pg_toupper(unsigned char ch);
133 extern unsigned char pg_tolower(unsigned char ch);
134 extern unsigned char pg_ascii_toupper(unsigned char ch);
135 extern unsigned char pg_ascii_tolower(unsigned char ch);
136 
137 /*
138  * Beginning in v12, we always replace snprintf() and friends with our own
139  * implementation. This symbol is no longer consulted by the core code,
140  * but keep it defined anyway in case any extensions are looking at it.
141  */
142 #define USE_REPL_SNPRINTF 1
143 
144 /*
145  * Versions of libintl >= 0.13 try to replace printf() and friends with
146  * macros to their own versions that understand the %$ format. We do the
147  * same, so disable their macros, if they exist.
148  */
149 #ifdef vsnprintf
150 #undef vsnprintf
151 #endif
152 #ifdef snprintf
153 #undef snprintf
154 #endif
155 #ifdef vsprintf
156 #undef vsprintf
157 #endif
158 #ifdef sprintf
159 #undef sprintf
160 #endif
161 #ifdef vfprintf
162 #undef vfprintf
163 #endif
164 #ifdef fprintf
165 #undef fprintf
166 #endif
167 #ifdef vprintf
168 #undef vprintf
169 #endif
170 #ifdef printf
171 #undef printf
172 #endif
173 
174 extern int pg_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
175 extern int pg_snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3, 4);
176 extern int pg_vsprintf(char *str, const char *fmt, va_list args);
177 extern int pg_sprintf(char *str, const char *fmt,...) pg_attribute_printf(2, 3);
178 extern int pg_vfprintf(FILE *stream, const char *fmt, va_list args);
179 extern int pg_fprintf(FILE *stream, const char *fmt,...) pg_attribute_printf(2, 3);
180 extern int pg_vprintf(const char *fmt, va_list args);
181 extern int pg_printf(const char *fmt,...) pg_attribute_printf(1, 2);
182 
183 /*
184  * We use __VA_ARGS__ for printf to prevent replacing references to
185  * the "printf" format archetype in format() attribute declarations.
186  * That unfortunately means that taking a function pointer to printf
187  * will not do what we'd wish. (If you need to do that, you must name
188  * pg_printf explicitly.) For printf's sibling functions, use
189  * parameterless macros so that function pointers will work unsurprisingly.
190  */
191 #define vsnprintf pg_vsnprintf
192 #define snprintf pg_snprintf
193 #define vsprintf pg_vsprintf
194 #define sprintf pg_sprintf
195 #define vfprintf pg_vfprintf
196 #define fprintf pg_fprintf
197 #define vprintf pg_vprintf
198 #define printf(...) pg_printf(__VA_ARGS__)
199 
200 /* This is also provided by snprintf.c */
201 extern int pg_strfromd(char *str, size_t count, int precision, double value);
202 
203 /* Replace strerror() with our own, somewhat more robust wrapper */
204 extern char *pg_strerror(int errnum);
205 #define strerror pg_strerror
206 
207 /* Likewise for strerror_r(); note we prefer the GNU API for that */
208 extern char *pg_strerror_r(int errnum, char *buf, size_t buflen);
209 #define strerror_r pg_strerror_r
210 #define PG_STRERROR_R_BUFLEN 256 /* Recommended buffer size for strerror_r */
211 
212 /* Wrap strsignal(), or provide our own version if necessary */
213 extern const char *pg_strsignal(int signum);
214 
215 /* Portable prompt handling */
216 extern void simple_prompt(const char *prompt, char *destination, size_t destlen,
217  bool echo);
218 
219 extern int pclose_check(FILE *stream);
220 
221 /* Global variable holding time zone information. */
222 #if defined(WIN32) || defined(__CYGWIN__)
223 #define TIMEZONE_GLOBAL _timezone
224 #define TZNAME_GLOBAL _tzname
225 #else
226 #define TIMEZONE_GLOBAL timezone
227 #define TZNAME_GLOBAL tzname
228 #endif
229 
230 #if defined(WIN32) || defined(__CYGWIN__)
231 /*
232  * Win32 doesn't have reliable rename/unlink during concurrent access.
233  */
234 extern int pgrename(const char *from, const char *to);
235 extern int pgunlink(const char *path);
236 
237 /* Include this first so later includes don't see these defines */
238 #ifdef _MSC_VER
239 #include <io.h>
240 #endif
241 
242 #define rename(from, to) pgrename(from, to)
243 #define unlink(path) pgunlink(path)
244 #endif /* defined(WIN32) || defined(__CYGWIN__) */
245 
246 /*
247  * Win32 also doesn't have symlinks, but we can emulate them with
248  * junction points on newer Win32 versions.
249  *
250  * Cygwin has its own symlinks which work on Win95/98/ME where
251  * junction points don't, so use those instead. We have no way of
252  * knowing what type of system Cygwin binaries will be run on.
253  * Note: Some CYGWIN includes might #define WIN32.
254  */
255 #if defined(WIN32) && !defined(__CYGWIN__)
256 extern int pgsymlink(const char *oldpath, const char *newpath);
257 extern int pgreadlink(const char *path, char *buf, size_t size);
258 extern bool pgwin32_is_junction(const char *path);
259 
260 #define symlink(oldpath, newpath) pgsymlink(oldpath, newpath)
261 #define readlink(path, buf, size) pgreadlink(path, buf, size)
262 #endif
263 
264 extern bool rmtree(const char *path, bool rmtopdir);
265 
266 #if defined(WIN32) && !defined(__CYGWIN__)
267 
268 /*
269  * open() and fopen() replacements to allow deletion of open files and
270  * passing of other special options.
271  */
272 #define O_DIRECT 0x80000000
273 extern int pgwin32_open(const char *, int,...);
274 extern FILE *pgwin32_fopen(const char *, const char *);
275 #define open(a,b,c) pgwin32_open(a,b,c)
276 #define fopen(a,b) pgwin32_fopen(a,b)
277 
278 /*
279  * Mingw-w64 headers #define popen and pclose to _popen and _pclose. We want
280  * to use our popen wrapper, rather than plain _popen, so override that. For
281  * consistency, use our version of pclose, too.
282  */
283 #ifdef popen
284 #undef popen
285 #endif
286 #ifdef pclose
287 #undef pclose
288 #endif
289 
290 /*
291  * system() and popen() replacements to enclose the command in an extra
292  * pair of quotes.
293  */
294 extern int pgwin32_system(const char *command);
295 extern FILE *pgwin32_popen(const char *command, const char *type);
296 
297 #define system(a) pgwin32_system(a)
298 #define popen(a,b) pgwin32_popen(a,b)
299 #define pclose(a) _pclose(a)
300 
301 /* New versions of MingW have gettimeofday, old mingw and msvc don't */
302 #ifndef HAVE_GETTIMEOFDAY
303 /* Last parameter not used */
304 extern int gettimeofday(struct timeval *tp, struct timezone *tzp);
305 #endif
306 #else /* !WIN32 */
307 
308 /*
309  * Win32 requires a special close for sockets and pipes, while on Unix
310  * close() does them all.
311  */
312 #define closesocket close
313 #endif /* WIN32 */
314 
315 /*
316  * On Windows, setvbuf() does not support _IOLBF mode, and interprets that
317  * as _IOFBF. To add insult to injury, setvbuf(file, NULL, _IOFBF, 0)
318  * crashes outright if "parameter validation" is enabled. Therefore, in
319  * places where we'd like to select line-buffered mode, we fall back to
320  * unbuffered mode instead on Windows. Always use PG_IOLBF not _IOLBF
321  * directly in order to implement this behavior.
322  */
323 #ifndef WIN32
324 #define PG_IOLBF _IOLBF
325 #else
326 #define PG_IOLBF _IONBF
327 #endif
328 
329 /*
330  * Default "extern" declarations or macro substitutes for library routines.
331  * When necessary, these routines are provided by files in src/port/.
332  */
333 
334 /* WIN32 handled in port/win32_port.h */
335 #ifndef WIN32
336 #define pgoff_t off_t
337 #ifdef __NetBSD__
338 extern int fseeko(FILE *stream, off_t offset, int whence);
339 extern off_t ftello(FILE *stream);
340 #endif
341 #endif
342 
343 extern double pg_erand48(unsigned short xseed[3]);
344 extern long pg_lrand48(void);
345 extern long pg_jrand48(unsigned short xseed[3]);
346 extern void pg_srand48(long seed);
347 
348 #ifndef HAVE_FLS
349 extern int fls(int mask);
350 #endif
351 
352 #ifndef HAVE_FSEEKO
353 #define fseeko(a, b, c) fseek(a, b, c)
354 #define ftello(a) ftell(a)
355 #endif
356 
357 #if !defined(HAVE_GETPEEREID) && !defined(WIN32)
358 extern int getpeereid(int sock, uid_t *uid, gid_t *gid);
359 #endif
360 
361 #ifndef HAVE_ISINF
362 extern int isinf(double x);
363 #else
364 /*
365  * Glibc doesn't use the builtin for clang due to a *gcc* bug in a version
366  * newer than the gcc compatibility clang claims to have. This would cause a
367  * *lot* of superfluous function calls, therefore revert when using clang. In
368  * C++ there's issues with libc++ (not libstdc++), so disable as well.
369  */
370 #if defined(__clang__) && !defined(__cplusplus)
371 /* needs to be separate to not confuse other compilers */
372 #if __has_builtin(__builtin_isinf)
373 /* need to include before, to avoid getting overwritten */
374 #include <math.h>
375 #undef isinf
376 #define isinf __builtin_isinf
377 #endif /* __has_builtin(isinf) */
378 #endif /* __clang__ && !__cplusplus */
379 #endif /* !HAVE_ISINF */
380 
381 #ifndef HAVE_EXPLICIT_BZERO
382 extern void explicit_bzero(void *buf, size_t len);
383 #endif
384 
385 #ifndef HAVE_STRTOF
386 extern float strtof(const char *nptr, char **endptr);
387 #endif
388 
389 #ifdef HAVE_BUGGY_STRTOF
390 extern float pg_strtof(const char *nptr, char **endptr);
391 #define strtof(a,b) (pg_strtof((a),(b)))
392 #endif
393 
394 #ifndef HAVE_MKDTEMP
395 extern char *mkdtemp(char *path);
396 #endif
397 
398 #ifndef HAVE_RINT
399 extern double rint(double x);
400 #endif
401 
402 #ifndef HAVE_INET_ATON
403 #include <netinet/in.h>
404 #include <arpa/inet.h>
405 extern int inet_aton(const char *cp, struct in_addr *addr);
406 #endif
407 
408 /*
409  * Windows and older Unix don't have pread(2) and pwrite(2). We have
410  * replacement functions, but they have slightly different semantics so we'll
411  * use a name with a pg_ prefix to avoid confusion.
412  */
413 #ifdef HAVE_PREAD
414 #define pg_pread pread
415 #else
416 extern ssize_t pg_pread(int fd, void *buf, size_t nbyte, off_t offset);
417 #endif
418 
419 #ifdef HAVE_PWRITE
420 #define pg_pwrite pwrite
421 #else
422 extern ssize_t pg_pwrite(int fd, const void *buf, size_t nbyte, off_t offset);
423 #endif
424 
425 #if !HAVE_DECL_STRLCAT
426 extern size_t strlcat(char *dst, const char *src, size_t siz);
427 #endif
428 
429 #if !HAVE_DECL_STRLCPY
430 extern size_t strlcpy(char *dst, const char *src, size_t siz);
431 #endif
432 
433 #if !HAVE_DECL_STRNLEN
434 extern size_t strnlen(const char *str, size_t maxlen);
435 #endif
436 
437 #if !defined(HAVE_RANDOM)
438 extern long random(void);
439 #endif
440 
441 #ifndef HAVE_UNSETENV
442 extern void unsetenv(const char *name);
443 #endif
444 
445 #ifndef HAVE_SRANDOM
446 extern void srandom(unsigned int seed);
447 #endif
448 
449 #ifndef HAVE_SSL_GET_CURRENT_COMPRESSION
450 #define SSL_get_current_compression(x) 0
451 #endif
452 
453 #ifndef HAVE_DLOPEN
454 extern void *dlopen(const char *file, int mode);
455 extern void *dlsym(void *handle, const char *symbol);
456 extern int dlclose(void *handle);
457 extern char *dlerror(void);
458 #endif
459 
460 /*
461  * In some older systems, the RTLD_NOW flag isn't defined and the mode
462  * argument to dlopen must always be 1.
463  */
464 #if !HAVE_DECL_RTLD_NOW
465 #define RTLD_NOW 1
466 #endif
467 
468 /*
469  * The RTLD_GLOBAL flag is wanted if available, but it doesn't exist
470  * everywhere. If it doesn't exist, set it to 0 so it has no effect.
471  */
472 #if !HAVE_DECL_RTLD_GLOBAL
473 #define RTLD_GLOBAL 0
474 #endif
475 
476 /* thread.h */
477 #ifndef WIN32
478 extern int pqGetpwuid(uid_t uid, struct passwd *resultbuf, char *buffer,
479  size_t buflen, struct passwd **result);
480 #endif
481 
482 extern int pqGethostbyname(const char *name,
483  struct hostent *resultbuf,
484  char *buffer, size_t buflen,
485  struct hostent **result,
486  int *herrno);
487 
488 extern void pg_qsort(void *base, size_t nel, size_t elsize,
489  int (*cmp) (const void *, const void *));
490 extern int pg_qsort_strcmp(const void *a, const void *b);
491 
492 #define qsort(a,b,c,d) pg_qsort(a,b,c,d)
493 
494 typedef int (*qsort_arg_comparator) (const void *a, const void *b, void *arg);
495 
496 extern void qsort_arg(void *base, size_t nel, size_t elsize,
497  qsort_arg_comparator cmp, void *arg);
498 
499 /* port/chklocale.c */
500 extern int pg_get_encoding_from_locale(const char *ctype, bool write_message);
501 
502 #if defined(WIN32) && !defined(FRONTEND)
503 extern int pg_codepage_to_encoding(UINT cp);
504 #endif
505 
506 /* port/inet_net_ntop.c */
507 extern char *pg_inet_net_ntop(int af, const void *src, int bits,
508  char *dst, size_t size);
509 
510 /* port/pg_strong_random.c */
511 extern bool pg_strong_random(void *buf, size_t len);
512 
513 /*
514  * pg_backend_random used to be a wrapper for pg_strong_random before
515  * Postgres 12 for the backend code.
516  */
517 #define pg_backend_random pg_strong_random
518 
519 /* port/pgcheckdir.c */
520 extern int pg_check_dir(const char *dir);
521 
522 /* port/pgmkdirp.c */
523 extern int pg_mkdir_p(char *path, int omode);
524 
525 /* port/pqsignal.c */
526 typedef void (*pqsigfunc) (int signo);
527 extern pqsigfunc pqsignal(int signo, pqsigfunc func);
528 
529 /* port/quotes.c */
530 extern char *escape_single_quotes_ascii(const char *src);
531 
532 /* common/wait_error.c */
533 extern char *wait_result_to_str(int exit_status);
534 extern bool wait_result_is_signal(int exit_status, int signum);
535 extern bool wait_result_is_any_signal(int exit_status, bool include_command_not_found);
536 
537 #endif /* PG_PORT_H */
char * make_absolute_path(const char *path)
Definition: path.c:608
int int pg_vfprintf(FILE *stream, const char *fmt, va_list args)
Definition: snprintf.c:242
static PgChecksumMode mode
Definition: pg_checksums.c:61
static char * argv0
Definition: pg_ctl.c:97
int gettimeofday(struct timeval *tp, struct timezone *tzp)
Definition: gettimeofday.c:105
void pg_usleep(long microsec)
Definition: signal.c:53
void get_includeserver_path(const char *my_exec_path, char *ret_path)
Definition: path.c:740
char * wait_result_to_str(int exit_status)
Definition: wait_error.c:32
#define fseeko(a, b, c)
Definition: port.h:353
char * dlerror(void)
int pg_mkdir_p(char *path, int omode)
Definition: pgmkdirp.c:57
char * pg_strerror(int errnum)
Definition: strerror.c:35
const char * get_progname(const char *argv0)
Definition: path.c:453
int getpeereid(int sock, uid_t *uid, gid_t *gid)
Definition: getpeereid.c:35
void(* pqsigfunc)(int signo)
Definition: port.h:526
bool pg_set_block(pgsocket sock)
Definition: noblock.c:49
long random(void)
Definition: random.c:22
bool path_is_prefix_of_path(const char *path1, const char *path2)
Definition: path.c:438
int pqGethostbyname(const char *name, struct hostent *resultbuf, char *buffer, size_t buflen, struct hostent **result, int *herrno)
Definition: thread.c:90
unsigned char pg_ascii_tolower(unsigned char ch)
Definition: pgstrcasecmp.c:146
long pg_lrand48(void)
Definition: erand48.c:100
int(* qsort_arg_comparator)(const void *a, const void *b, void *arg)
Definition: port.h:494
int int pg_vsprintf(char *str, const char *fmt, va_list args)
Definition: snprintf.c:214
void make_native_path(char *path)
Definition: path.c:166
void pg_srand48(long seed)
Definition: erand48.c:131
int int pg_vprintf(const char *fmt, va_list args)
Definition: snprintf.c:276
static struct @145 value
void canonicalize_path(char *path)
Definition: path.c:254
unsigned char pg_tolower(unsigned char ch)
Definition: pgstrcasecmp.c:122
unsigned char pg_ascii_toupper(unsigned char ch)
Definition: pgstrcasecmp.c:135
int pg_strcasecmp(const char *s1, const char *s2)
Definition: pgstrcasecmp.c:36
int pg_printf(const char *fmt,...) pg_attribute_printf(1
bool path_contains_parent_reference(const char *path)
Definition: path.c:376
static int fd(const char *x, int i)
Definition: preproc-init.c:105
void get_pkglib_path(const char *my_exec_path, char *ret_path)
Definition: path.c:758
ssize_t pg_pwrite(int fd, const void *buf, size_t nbyte, off_t offset)
Definition: pwrite.c:27
float strtof(const char *nptr, char **endptr)
Definition: strtof.c:28
#define pg_attribute_printf(f, a)
Definition: c.h:132
int fls(int mask)
Definition: fls.c:55
ssize_t pg_pread(int fd, void *buf, size_t nbyte, off_t offset)
Definition: pread.c:27
int pg_snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3
int pg_strncasecmp(const char *s1, const char *s2, size_t n)
Definition: pgstrcasecmp.c:69
int pg_fprintf(FILE *stream, const char *fmt,...) pg_attribute_printf(2
bool has_drive_prefix(const char *filename)
Definition: path.c:87
char * escape_single_quotes_ascii(const char *src)
Definition: quotes.c:33
bool rmtree(const char *path, bool rmtopdir)
Definition: rmtree.c:42
pqsigfunc pqsignal(int signo, pqsigfunc func)
Definition: signal.c:170
void get_lib_path(const char *my_exec_path, char *ret_path)
Definition: path.c:749
char * s1
void get_pkginclude_path(const char *my_exec_path, char *ret_path)
Definition: path.c:731
void unsetenv(const char *name)
Definition: unsetenv.c:20
int dlclose(void *handle)
void get_doc_path(const char *my_exec_path, char *ret_path)
Definition: path.c:776
int isinf(double x)
void cleanup_path(char *path)
Definition: path.c:185
static char * buf
Definition: pg_test_fsync.c:68
void simple_prompt(const char *prompt, char *destination, size_t destlen, bool echo)
Definition: sprompt.c:37
bool path_is_relative_and_below_cwd(const char *path)
Definition: path.c:405
void get_parent_directory(char *path)
Definition: path.c:854
int pclose_check(FILE *stream)
Definition: exec.c:527
int pgsocket
Definition: port.h:31
char * pg_inet_net_ntop(int af, const void *src, int bits, char *dst, size_t size)
Definition: inet_net_ntop.c:77
char * pg_strerror_r(int errnum, char *buf, size_t buflen)
Definition: strerror.c:46
double rint(double x)
Definition: rint.c:21
int pgreadlink(const char *path, char *buf, size_t size)
void * dlopen(const char *file, int mode)
int inet_aton(const char *cp, struct in_addr *addr)
Definition: inet_aton.c:56
int pg_sprintf(char *str, const char *fmt,...) pg_attribute_printf(2
int pg_strfromd(char *str, size_t count, int precision, double value)
Definition: snprintf.c:1265
void qsort_arg(void *base, size_t nel, size_t elsize, qsort_arg_comparator cmp, void *arg)
Definition: qsort_arg.c:113
char my_exec_path[MAXPGPATH]
Definition: globals.c:72
char * s2
int find_my_exec(const char *argv0, char *retpath)
Definition: exec.c:129
char * first_dir_separator(const char *filename)
Definition: path.c:103
double pg_erand48(unsigned short xseed[3])
Definition: erand48.c:88
char * last_dir_separator(const char *filename)
Definition: path.c:138
void get_etc_path(const char *my_exec_path, char *ret_path)
Definition: path.c:713
int pg_get_encoding_from_locale(const char *ctype, bool write_message)
Definition: chklocale.c:433
size_t strlcpy(char *dst, const char *src, size_t siz)
Definition: strlcpy.c:45
void set_pglocale_pgservice(const char *argv0, const char *app)
Definition: exec.c:565
bool wait_result_is_any_signal(int exit_status, bool include_command_not_found)
Definition: wait_error.c:111
bool pg_strong_random(void *buf, size_t len)
void * dlsym(void *handle, const char *symbol)
bool pg_set_noblock(pgsocket sock)
Definition: noblock.c:25
void get_html_path(const char *my_exec_path, char *ret_path)
Definition: path.c:785
const char * pg_strsignal(int signum)
Definition: pgstrsignal.c:42
bool wait_result_is_signal(int exit_status, int signum)
Definition: wait_error.c:92
void pg_qsort(void *base, size_t nel, size_t elsize, int(*cmp)(const void *, const void *))
Definition: qsort.c:113
char * mkdtemp(char *path)
Definition: mkdtemp.c:286
int uid_t
Definition: win32_port.h:230
size_t strnlen(const char *str, size_t maxlen)
Definition: strnlen.c:26
int pg_qsort_strcmp(const void *a, const void *b)
Definition: qsort.c:232
char ** pgfnames(const char *path)
Definition: pgfnames.c:37
void join_path_components(char *ret_path, const char *head, const char *tail)
Definition: path.c:218
long pg_jrand48(unsigned short xseed[3])
Definition: erand48.c:112
const char * name
Definition: encode.c:521
void get_man_path(const char *my_exec_path, char *ret_path)
Definition: path.c:794
void get_include_path(const char *my_exec_path, char *ret_path)
Definition: path.c:722
static char * filename
Definition: pg_dumpall.c:91
int pqGetpwuid(uid_t uid, struct passwd *resultbuf, char *buffer, size_t buflen, struct passwd **result)
Definition: thread.c:68
#define ftello(a)
Definition: port.h:354
void explicit_bzero(void *buf, size_t len)
int pg_check_dir(const char *dir)
Definition: pgcheckdir.c:31
int gid_t
Definition: win32_port.h:231
void * arg
void srandom(unsigned int seed)
Definition: srandom.c:22
void get_locale_path(const char *my_exec_path, char *ret_path)
Definition: path.c:767
int pg_vsnprintf(char *str, size_t count, const char *fmt, va_list args)
Definition: snprintf.c:174
void get_share_path(const char *my_exec_path, char *ret_path)
Definition: path.c:704
int find_other_exec(const char *argv0, const char *target, const char *versionstr, char *retpath)
Definition: exec.c:324
unsigned char pg_toupper(unsigned char ch)
Definition: pgstrcasecmp.c:105
void pgfnames_cleanup(char **filenames)
Definition: pgfnames.c:86
char * first_path_var_separator(const char *pathlist)
Definition: path.c:120
size_t strlcat(char *dst, const char *src, size_t siz)
Definition: strlcat.c:33
bool get_home_path(char *ret_path)
Definition: path.c:807
bool pgwin32_is_junction(const char *path)
static int cmp(const chr *x, const chr *y, size_t len)
Definition: regc_locale.c:742
int pgsymlink(const char *oldpath, const char *newpath)
unsigned char symbol
Definition: api.h:2