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port.h
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1 /*-------------------------------------------------------------------------
2  *
3  * port.h
4  * Header for src/port/ compatibility functions.
5  *
6  * Portions Copyright (c) 1996-2020, 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 /*
103  * This macro provides a centralized list of all errnos that identify
104  * hard failure of a previously-established network connection.
105  * The macro is intended to be used in a switch statement, in the form
106  * "case ALL_CONNECTION_FAILURE_ERRNOS:".
107  *
108  * Note: this groups EPIPE and ECONNRESET, which we take to indicate a
109  * probable server crash, with other errors that indicate loss of network
110  * connectivity without proving much about the server's state. Places that
111  * are actually reporting errors typically single out EPIPE and ECONNRESET,
112  * while allowing the network failures to be reported generically.
113  */
114 #define ALL_CONNECTION_FAILURE_ERRNOS \
115  EPIPE: \
116  case ECONNRESET: \
117  case ECONNABORTED: \
118  case EHOSTDOWN: \
119  case EHOSTUNREACH: \
120  case ENETDOWN: \
121  case ENETRESET: \
122  case ENETUNREACH
123 
124 /* Portable locale initialization (in exec.c) */
125 extern void set_pglocale_pgservice(const char *argv0, const char *app);
126 
127 /* Portable way to find and execute binaries (in exec.c) */
128 extern int find_my_exec(const char *argv0, char *retpath);
129 extern int find_other_exec(const char *argv0, const char *target,
130  const char *versionstr, char *retpath);
131 extern char *pipe_read_line(char *cmd, char *line, int maxsize);
132 
133 /* Doesn't belong here, but this is used with find_other_exec(), so... */
134 #define PG_BACKEND_VERSIONSTR "postgres (PostgreSQL) " PG_VERSION "\n"
135 
136 
137 #if defined(WIN32) || defined(__CYGWIN__)
138 #define EXE ".exe"
139 #else
140 #define EXE ""
141 #endif
142 
143 #if defined(WIN32) && !defined(__CYGWIN__)
144 #define DEVNULL "nul"
145 #else
146 #define DEVNULL "/dev/null"
147 #endif
148 
149 /* Portable delay handling */
150 extern void pg_usleep(long microsec);
151 
152 /* Portable SQL-like case-independent comparisons and conversions */
153 extern int pg_strcasecmp(const char *s1, const char *s2);
154 extern int pg_strncasecmp(const char *s1, const char *s2, size_t n);
155 extern unsigned char pg_toupper(unsigned char ch);
156 extern unsigned char pg_tolower(unsigned char ch);
157 extern unsigned char pg_ascii_toupper(unsigned char ch);
158 extern unsigned char pg_ascii_tolower(unsigned char ch);
159 
160 /*
161  * Beginning in v12, we always replace snprintf() and friends with our own
162  * implementation. This symbol is no longer consulted by the core code,
163  * but keep it defined anyway in case any extensions are looking at it.
164  */
165 #define USE_REPL_SNPRINTF 1
166 
167 /*
168  * Versions of libintl >= 0.13 try to replace printf() and friends with
169  * macros to their own versions that understand the %$ format. We do the
170  * same, so disable their macros, if they exist.
171  */
172 #ifdef vsnprintf
173 #undef vsnprintf
174 #endif
175 #ifdef snprintf
176 #undef snprintf
177 #endif
178 #ifdef vsprintf
179 #undef vsprintf
180 #endif
181 #ifdef sprintf
182 #undef sprintf
183 #endif
184 #ifdef vfprintf
185 #undef vfprintf
186 #endif
187 #ifdef fprintf
188 #undef fprintf
189 #endif
190 #ifdef vprintf
191 #undef vprintf
192 #endif
193 #ifdef printf
194 #undef printf
195 #endif
196 
197 extern int pg_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
198 extern int pg_snprintf(char *str, size_t count, const char *fmt,...) pg_attribute_printf(3, 4);
199 extern int pg_vsprintf(char *str, const char *fmt, va_list args);
200 extern int pg_sprintf(char *str, const char *fmt,...) pg_attribute_printf(2, 3);
201 extern int pg_vfprintf(FILE *stream, const char *fmt, va_list args);
202 extern int pg_fprintf(FILE *stream, const char *fmt,...) pg_attribute_printf(2, 3);
203 extern int pg_vprintf(const char *fmt, va_list args);
204 extern int pg_printf(const char *fmt,...) pg_attribute_printf(1, 2);
205 
206 /*
207  * We use __VA_ARGS__ for printf to prevent replacing references to
208  * the "printf" format archetype in format() attribute declarations.
209  * That unfortunately means that taking a function pointer to printf
210  * will not do what we'd wish. (If you need to do that, you must name
211  * pg_printf explicitly.) For printf's sibling functions, use
212  * parameterless macros so that function pointers will work unsurprisingly.
213  */
214 #define vsnprintf pg_vsnprintf
215 #define snprintf pg_snprintf
216 #define vsprintf pg_vsprintf
217 #define sprintf pg_sprintf
218 #define vfprintf pg_vfprintf
219 #define fprintf pg_fprintf
220 #define vprintf pg_vprintf
221 #define printf(...) pg_printf(__VA_ARGS__)
222 
223 /* This is also provided by snprintf.c */
224 extern int pg_strfromd(char *str, size_t count, int precision, double value);
225 
226 /* Replace strerror() with our own, somewhat more robust wrapper */
227 extern char *pg_strerror(int errnum);
228 #define strerror pg_strerror
229 
230 /* Likewise for strerror_r(); note we prefer the GNU API for that */
231 extern char *pg_strerror_r(int errnum, char *buf, size_t buflen);
232 #define strerror_r pg_strerror_r
233 #define PG_STRERROR_R_BUFLEN 256 /* Recommended buffer size for strerror_r */
234 
235 /* Wrap strsignal(), or provide our own version if necessary */
236 extern const char *pg_strsignal(int signum);
237 
238 extern int pclose_check(FILE *stream);
239 
240 /* Global variable holding time zone information. */
241 #if defined(WIN32) || defined(__CYGWIN__)
242 #define TIMEZONE_GLOBAL _timezone
243 #define TZNAME_GLOBAL _tzname
244 #else
245 #define TIMEZONE_GLOBAL timezone
246 #define TZNAME_GLOBAL tzname
247 #endif
248 
249 #if defined(WIN32) || defined(__CYGWIN__)
250 /*
251  * Win32 doesn't have reliable rename/unlink during concurrent access.
252  */
253 extern int pgrename(const char *from, const char *to);
254 extern int pgunlink(const char *path);
255 
256 /* Include this first so later includes don't see these defines */
257 #ifdef _MSC_VER
258 #include <io.h>
259 #endif
260 
261 #define rename(from, to) pgrename(from, to)
262 #define unlink(path) pgunlink(path)
263 #endif /* defined(WIN32) || defined(__CYGWIN__) */
264 
265 /*
266  * Win32 also doesn't have symlinks, but we can emulate them with
267  * junction points on newer Win32 versions.
268  *
269  * Cygwin has its own symlinks which work on Win95/98/ME where
270  * junction points don't, so use those instead. We have no way of
271  * knowing what type of system Cygwin binaries will be run on.
272  * Note: Some CYGWIN includes might #define WIN32.
273  */
274 #if defined(WIN32) && !defined(__CYGWIN__)
275 extern int pgsymlink(const char *oldpath, const char *newpath);
276 extern int pgreadlink(const char *path, char *buf, size_t size);
277 extern bool pgwin32_is_junction(const char *path);
278 
279 #define symlink(oldpath, newpath) pgsymlink(oldpath, newpath)
280 #define readlink(path, buf, size) pgreadlink(path, buf, size)
281 #endif
282 
283 extern bool rmtree(const char *path, bool rmtopdir);
284 
285 #if defined(WIN32) && !defined(__CYGWIN__)
286 
287 /*
288  * open() and fopen() replacements to allow deletion of open files and
289  * passing of other special options.
290  */
291 #define O_DIRECT 0x80000000
292 extern int pgwin32_open(const char *, int,...);
293 extern FILE *pgwin32_fopen(const char *, const char *);
294 #define open(a,b,c) pgwin32_open(a,b,c)
295 #define fopen(a,b) pgwin32_fopen(a,b)
296 
297 /*
298  * Mingw-w64 headers #define popen and pclose to _popen and _pclose. We want
299  * to use our popen wrapper, rather than plain _popen, so override that. For
300  * consistency, use our version of pclose, too.
301  */
302 #ifdef popen
303 #undef popen
304 #endif
305 #ifdef pclose
306 #undef pclose
307 #endif
308 
309 /*
310  * system() and popen() replacements to enclose the command in an extra
311  * pair of quotes.
312  */
313 extern int pgwin32_system(const char *command);
314 extern FILE *pgwin32_popen(const char *command, const char *type);
315 
316 #define system(a) pgwin32_system(a)
317 #define popen(a,b) pgwin32_popen(a,b)
318 #define pclose(a) _pclose(a)
319 
320 /* New versions of MingW have gettimeofday, old mingw and msvc don't */
321 #ifndef HAVE_GETTIMEOFDAY
322 /* Last parameter not used */
323 extern int gettimeofday(struct timeval *tp, struct timezone *tzp);
324 #endif
325 #else /* !WIN32 */
326 
327 /*
328  * Win32 requires a special close for sockets and pipes, while on Unix
329  * close() does them all.
330  */
331 #define closesocket close
332 #endif /* WIN32 */
333 
334 /*
335  * On Windows, setvbuf() does not support _IOLBF mode, and interprets that
336  * as _IOFBF. To add insult to injury, setvbuf(file, NULL, _IOFBF, 0)
337  * crashes outright if "parameter validation" is enabled. Therefore, in
338  * places where we'd like to select line-buffered mode, we fall back to
339  * unbuffered mode instead on Windows. Always use PG_IOLBF not _IOLBF
340  * directly in order to implement this behavior.
341  */
342 #ifndef WIN32
343 #define PG_IOLBF _IOLBF
344 #else
345 #define PG_IOLBF _IONBF
346 #endif
347 
348 /*
349  * Default "extern" declarations or macro substitutes for library routines.
350  * When necessary, these routines are provided by files in src/port/.
351  */
352 
353 /* Type to use with fseeko/ftello */
354 #ifndef WIN32 /* WIN32 is handled in port/win32_port.h */
355 #define pgoff_t off_t
356 #endif
357 
358 extern double pg_erand48(unsigned short xseed[3]);
359 extern long pg_lrand48(void);
360 extern long pg_jrand48(unsigned short xseed[3]);
361 extern void pg_srand48(long seed);
362 
363 #ifndef HAVE_FLS
364 extern int fls(int mask);
365 #endif
366 
367 #ifndef HAVE_GETPEEREID
368 /* On Windows, Perl might have incompatible definitions of uid_t and gid_t. */
369 #ifndef PLPERL_HAVE_UID_GID
370 extern int getpeereid(int sock, uid_t *uid, gid_t *gid);
371 #endif
372 #endif
373 
374 /*
375  * Glibc doesn't use the builtin for clang due to a *gcc* bug in a version
376  * newer than the gcc compatibility clang claims to have. This would cause a
377  * *lot* of superfluous function calls, therefore revert when using clang. In
378  * C++ there's issues with libc++ (not libstdc++), so disable as well.
379  */
380 #if defined(__clang__) && !defined(__cplusplus)
381 /* needs to be separate to not confuse other compilers */
382 #if __has_builtin(__builtin_isinf)
383 /* need to include before, to avoid getting overwritten */
384 #include <math.h>
385 #undef isinf
386 #define isinf __builtin_isinf
387 #endif /* __has_builtin(isinf) */
388 #endif /* __clang__ && !__cplusplus */
389 
390 #ifndef HAVE_EXPLICIT_BZERO
391 extern void explicit_bzero(void *buf, size_t len);
392 #endif
393 
394 #ifndef HAVE_STRTOF
395 extern float strtof(const char *nptr, char **endptr);
396 #endif
397 
398 #ifdef HAVE_BUGGY_STRTOF
399 extern float pg_strtof(const char *nptr, char **endptr);
400 #define strtof(a,b) (pg_strtof((a),(b)))
401 #endif
402 
403 #ifndef HAVE_LINK
404 extern int link(const char *src, const char *dst);
405 #endif
406 
407 #ifndef HAVE_MKDTEMP
408 extern char *mkdtemp(char *path);
409 #endif
410 
411 #ifndef HAVE_INET_ATON
412 #include <netinet/in.h>
413 #include <arpa/inet.h>
414 extern int inet_aton(const char *cp, struct in_addr *addr);
415 #endif
416 
417 /*
418  * Windows and older Unix don't have pread(2) and pwrite(2). We have
419  * replacement functions, but they have slightly different semantics so we'll
420  * use a name with a pg_ prefix to avoid confusion.
421  */
422 #ifdef HAVE_PREAD
423 #define pg_pread pread
424 #else
425 extern ssize_t pg_pread(int fd, void *buf, size_t nbyte, off_t offset);
426 #endif
427 
428 #ifdef HAVE_PWRITE
429 #define pg_pwrite pwrite
430 #else
431 extern ssize_t pg_pwrite(int fd, const void *buf, size_t nbyte, off_t offset);
432 #endif
433 
434 #if !HAVE_DECL_STRLCAT
435 extern size_t strlcat(char *dst, const char *src, size_t siz);
436 #endif
437 
438 #if !HAVE_DECL_STRLCPY
439 extern size_t strlcpy(char *dst, const char *src, size_t siz);
440 #endif
441 
442 #if !HAVE_DECL_STRNLEN
443 extern size_t strnlen(const char *str, size_t maxlen);
444 #endif
445 
446 #if !defined(HAVE_RANDOM)
447 extern long random(void);
448 #endif
449 
450 #ifndef HAVE_UNSETENV
451 extern void unsetenv(const char *name);
452 #endif
453 
454 #ifndef HAVE_SRANDOM
455 extern void srandom(unsigned int seed);
456 #endif
457 
458 #ifndef HAVE_DLOPEN
459 extern void *dlopen(const char *file, int mode);
460 extern void *dlsym(void *handle, const char *symbol);
461 extern int dlclose(void *handle);
462 extern char *dlerror(void);
463 #endif
464 
465 /*
466  * In some older systems, the RTLD_NOW flag isn't defined and the mode
467  * argument to dlopen must always be 1.
468  */
469 #if !HAVE_DECL_RTLD_NOW
470 #define RTLD_NOW 1
471 #endif
472 
473 /*
474  * The RTLD_GLOBAL flag is wanted if available, but it doesn't exist
475  * everywhere. If it doesn't exist, set it to 0 so it has no effect.
476  */
477 #if !HAVE_DECL_RTLD_GLOBAL
478 #define RTLD_GLOBAL 0
479 #endif
480 
481 /* thread.h */
482 #ifndef WIN32
483 extern int pqGetpwuid(uid_t uid, struct passwd *resultbuf, char *buffer,
484  size_t buflen, struct passwd **result);
485 #endif
486 
487 extern int pqGethostbyname(const char *name,
488  struct hostent *resultbuf,
489  char *buffer, size_t buflen,
490  struct hostent **result,
491  int *herrno);
492 
493 extern void pg_qsort(void *base, size_t nel, size_t elsize,
494  int (*cmp) (const void *, const void *));
495 extern int pg_qsort_strcmp(const void *a, const void *b);
496 
497 #define qsort(a,b,c,d) pg_qsort(a,b,c,d)
498 
499 typedef int (*qsort_arg_comparator) (const void *a, const void *b, void *arg);
500 
501 extern void qsort_arg(void *base, size_t nel, size_t elsize,
502  qsort_arg_comparator cmp, void *arg);
503 
504 /* port/chklocale.c */
505 extern int pg_get_encoding_from_locale(const char *ctype, bool write_message);
506 
507 #if defined(WIN32) && !defined(FRONTEND)
508 extern int pg_codepage_to_encoding(UINT cp);
509 #endif
510 
511 /* port/inet_net_ntop.c */
512 extern char *pg_inet_net_ntop(int af, const void *src, int bits,
513  char *dst, size_t size);
514 
515 /* port/pg_strong_random.c */
516 extern bool pg_strong_random(void *buf, size_t len);
517 
518 /*
519  * pg_backend_random used to be a wrapper for pg_strong_random before
520  * Postgres 12 for the backend code.
521  */
522 #define pg_backend_random pg_strong_random
523 
524 /* port/pgcheckdir.c */
525 extern int pg_check_dir(const char *dir);
526 
527 /* port/pgmkdirp.c */
528 extern int pg_mkdir_p(char *path, int omode);
529 
530 /* port/pqsignal.c */
531 typedef void (*pqsigfunc) (int signo);
532 extern pqsigfunc pqsignal(int signo, pqsigfunc func);
533 
534 /* port/quotes.c */
535 extern char *escape_single_quotes_ascii(const char *src);
536 
537 /* common/wait_error.c */
538 extern char *wait_result_to_str(int exit_status);
539 extern bool wait_result_is_signal(int exit_status, int signum);
540 extern bool wait_result_is_any_signal(int exit_status, bool include_command_not_found);
541 
542 #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:104
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
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:531
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:87
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:499
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
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:131
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
void cleanup_path(char *path)
Definition: path.c:185
static char * buf
Definition: pg_test_fsync.c:68
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:396
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
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:1263
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:128
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:452
static struct @143 value
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:434
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:236
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:561
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:65
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:237
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 link(const char *src, const char *dst)
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:323
unsigned char pg_toupper(unsigned char ch)
Definition: pgstrcasecmp.c:105
void pgfnames_cleanup(char **filenames)
Definition: pgfnames.c:86
char * pipe_read_line(char *cmd, char *line, int maxsize)
Definition: exec.c:359
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