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Commit3bc6bdf

Browse files
committed
Define snprintf() to call pg_snprintf() so our own snprintf-like
implementation doesn't export out via libpq and get used by a userapplication.
1 parent6521cd9 commit3bc6bdf

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7 files changed

+52
-23
lines changed

7 files changed

+52
-23
lines changed

‎configure‎

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -14973,6 +14973,11 @@ _ACEOF
1497314973

1497414974
# Now we have checked all the reasons to replace snprintf
1497514975
if test $pgac_need_repl_snprintf = yes; then
14976+
14977+
cat >>confdefs.h <<\_ACEOF
14978+
#define USE_SNPRINTF 1
14979+
_ACEOF
14980+
1497614981
LIBOBJS="$LIBOBJS snprintf.$ac_objext"
1497714982
fi
1497814983

‎configure.in‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
dnl Process this file with autoconf to produce a configure script.
2-
dnl $PostgreSQL: pgsql/configure.in,v 1.405 2005/03/02 15:42:35 momjian Exp $
2+
dnl $PostgreSQL: pgsql/configure.in,v 1.406 2005/03/11 17:20:33 momjian Exp $
33
dnl
44
dnl Developers, please strive to achieve this order:
55
dnl
@@ -1143,6 +1143,7 @@ AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
11431143

11441144
# Now we have checked all the reasons to replace snprintf
11451145
if test $pgac_need_repl_snprintf = yes; then
1146+
AC_DEFINE(USE_SNPRINTF, 1, [Use replacement snprintf() functions.])
11461147
AC_LIBOBJ(snprintf)
11471148
fi
11481149

‎src/bin/pg_ctl/pg_ctl.c‎

Lines changed: 7 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,7 @@
44
*
55
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
66
*
7-
* $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.54 2005/02/22 04:39:22 momjian Exp $
7+
* $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.55 2005/03/11 17:20:33 momjian Exp $
88
*
99
*-------------------------------------------------------------------------
1010
*/
@@ -337,19 +337,23 @@ start_postmaster(void)
337337
if (log_file!=NULL)
338338
#ifndefWIN32/* Cygwin doesn't have START */
339339
snprintf(cmd,MAXPGPATH,"%s\"%s\" %s%s < \"%s\" >> \"%s\" 2>&1 &%s",
340+
SYSTEMQUOTE,postgres_path,pgdata_opt,post_opts,
341+
DEVNULL,log_file,SYSTEMQUOTE);
340342
#else
341343
snprintf(cmd,MAXPGPATH,"%sSTART /B \"\" \"%s\" %s%s < \"%s\" >> \"%s\" 2>&1%s",
342-
#endif
343344
SYSTEMQUOTE,postgres_path,pgdata_opt,post_opts,
344345
DEVNULL,log_file,SYSTEMQUOTE);
346+
#endif
345347
else
346348
#ifndefWIN32/* Cygwin doesn't have START */
347349
snprintf(cmd,MAXPGPATH,"%s\"%s\" %s%s < \"%s\" 2>&1 &%s",
350+
SYSTEMQUOTE,postgres_path,pgdata_opt,post_opts,
351+
DEVNULL,SYSTEMQUOTE);
348352
#else
349353
snprintf(cmd,MAXPGPATH,"%sSTART /B \"\" \"%s\" %s%s < \"%s\" 2>&1%s",
350-
#endif
351354
SYSTEMQUOTE,postgres_path,pgdata_opt,post_opts,
352355
DEVNULL,SYSTEMQUOTE);
356+
#endif
353357

354358
returnsystem(cmd);
355359
}

‎src/bin/psql/command.c‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
*
44
* Copyright (c) 2000-2005, PostgreSQL Global Development Group
55
*
6-
* $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.140 2005/02/22 04:40:51 momjian Exp $
6+
* $PostgreSQL: pgsql/src/bin/psql/command.c,v 1.141 2005/03/11 17:20:34 momjian Exp $
77
*/
88
#include"postgres_fe.h"
99
#include"command.h"
@@ -1175,13 +1175,13 @@ do_edit(const char *filename_arg, PQExpBuffer query_buf)
11751175
*supplied path unless we use only backslashes, so we do that.
11761176
*/
11771177
#endif
1178-
snprintf(fnametmp,sizeof(fnametmp),"%s%spsql.edit.%d",tmpdir,
11791178
#ifndefWIN32
1180-
"/",
1179+
snprintf(fnametmp,sizeof(fnametmp),"%s%spsql.edit.%d",tmpdir,
1180+
"/", (int)getpid());
11811181
#else
1182-
"",/* trailing separator already present */
1182+
snprintf(fnametmp,sizeof(fnametmp),"%s%spsql.edit.%d",tmpdir,
1183+
""/* trailing separator already present */, (int)getpid());
11831184
#endif
1184-
(int)getpid());
11851185

11861186
fname= (constchar*)fnametmp;
11871187

‎src/include/pg_config.h.in‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -648,6 +648,9 @@
648648
/* Define to 1 to build with Rendezvous support. (--with-rendezvous) */
649649
#undef USE_RENDEZVOUS
650650

651+
/* Use replacement snprintf() functions. */
652+
#undef USE_SNPRINTF
653+
651654
/* Define to build with (Open)SSL support. (--with-openssl) */
652655
#undef USE_SSL
653656

‎src/include/port.h‎

Lines changed: 21 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@
66
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
77
* Portions Copyright (c) 1994, Regents of the University of California
88
*
9-
* $PostgreSQL: pgsql/src/include/port.h,v 1.70 2005/02/27 00:53:29 momjian Exp $
9+
* $PostgreSQL: pgsql/src/include/port.h,v 1.71 2005/03/11 17:20:34 momjian Exp $
1010
*
1111
*-------------------------------------------------------------------------
1212
*/
@@ -107,6 +107,26 @@ extern intpg_strncasecmp(const char *s1, const char *s2, size_t n);
107107
externunsignedcharpg_toupper(unsignedcharch);
108108
externunsignedcharpg_tolower(unsignedcharch);
109109

110+
#ifdefUSE_SNPRINTF
111+
externintpg_vsnprintf(char*str,size_tcount,constchar*fmt,va_listargs);
112+
externintpg_snprintf(char*str,size_tcount,constchar*fmt,...)
113+
/* This extension allows gcc to check the format string */
114+
__attribute__((format(printf,3,4)));
115+
externintpg_printf(constchar*fmt,...)
116+
/* This extension allows gcc to check the format string */
117+
__attribute__((format(printf,1,2)));
118+
119+
#ifdef__GNUC__
120+
#definevsnprintf(...)pg_vsnprintf(__VA_ARGS__)
121+
#definesnprintf(...)pg_snprintf(__VA_ARGS__)
122+
#defineprintf(...)pg_printf(__VA_ARGS__)
123+
#else
124+
#definevsnprintfpg_vsnprintf
125+
#definesnprintfpg_snprintf
126+
#defineprintfpg_printf
127+
#endif
128+
#endif
129+
110130
/* Portable prompt handling */
111131
externchar*simple_prompt(constchar*prompt,intmaxlen,boolecho);
112132

‎src/port/snprintf.c‎

Lines changed: 9 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -65,19 +65,15 @@
6565
* causing nasty effects.
6666
**************************************************************/
6767

68-
/*static char _id[] = "$PostgreSQL: pgsql/src/port/snprintf.c,v 1.16 2005/03/02 23:56:53 momjian Exp $";*/
68+
/*static char _id[] = "$PostgreSQL: pgsql/src/port/snprintf.c,v 1.17 2005/03/11 17:20:35 momjian Exp $";*/
6969

70-
intsnprintf(char*str,size_tcount,constchar*fmt,...);
71-
intvsnprintf(char*str,size_tcount,constchar*fmt,va_listargs);
72-
intprintf(constchar*format, ...);
70+
intpg_snprintf(char*str,size_tcount,constchar*fmt,...);
71+
intpg_vsnprintf(char*str,size_tcount,constchar*fmt,va_listargs);
72+
intpg_printf(constchar*format, ...);
7373
staticvoiddopr(char*buffer,constchar*format,va_listargs,char*end);
7474

75-
/*
76-
*If vsnprintf() is not before snprintf() in this file, snprintf()
77-
*will call the system vsnprintf() on MinGW.
78-
*/
7975
int
80-
vsnprintf(char*str,size_tcount,constchar*fmt,va_listargs)
76+
pg_vsnprintf(char*str,size_tcount,constchar*fmt,va_listargs)
8177
{
8278
char*end;
8379
str[0]='\0';
@@ -89,27 +85,27 @@ vsnprintf(char *str, size_t count, const char *fmt, va_list args)
8985
}
9086

9187
int
92-
snprintf(char*str,size_tcount,constchar*fmt,...)
88+
pg_snprintf(char*str,size_tcount,constchar*fmt,...)
9389
{
9490
intlen;
9591
va_listargs;
9692

9793
va_start(args,fmt);
98-
len=vsnprintf(str,count,fmt,args);
94+
len=pg_vsnprintf(str,count,fmt,args);
9995
va_end(args);
10096
returnlen;
10197
}
10298

10399
int
104-
printf(constchar*fmt,...)
100+
pg_printf(constchar*fmt,...)
105101
{
106102
intlen;
107103
va_listargs;
108104
char*buffer[4096];
109105
char*p;
110106

111107
va_start(args,fmt);
112-
len=vsnprintf((char*)buffer, (size_t)4096,fmt,args);
108+
len=pg_vsnprintf((char*)buffer, (size_t)4096,fmt,args);
113109
va_end(args);
114110
p= (char*)buffer;
115111
for(;*p;p++)

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