aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--config/c-library.m435
-rwxr-xr-xconfigure57
-rw-r--r--configure.in9
-rw-r--r--src/port/snprintf.c211
4 files changed, 295 insertions, 17 deletions
diff --git a/config/c-library.m4 b/config/c-library.m4
index 679f3844b84..aa6aa397f15 100644
--- a/config/c-library.m4
+++ b/config/c-library.m4
@@ -1,5 +1,5 @@
# Macros that test various C library quirks
-# $PostgreSQL: pgsql/config/c-library.m4,v 1.29 2004/12/16 17:48:26 momjian Exp $
+# $PostgreSQL: pgsql/config/c-library.m4,v 1.30 2005/02/22 03:55:50 momjian Exp $
# PGAC_VAR_INT_TIMEZONE
@@ -266,3 +266,36 @@ case $pgac_cv_snprintf_long_long_int_format in
LONG_LONG_INT_FORMAT=$pgac_cv_snprintf_long_long_int_format;;
*) AC_MSG_RESULT(none);;
esac])# PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
+
+
+# PGAC_FUNC_PRINTF_ARG_CONTROL
+# ---------------------------------------
+# Determine if printf supports %1$ argument selection, e.g. %5$ selects
+# the fifth argument after the printf print string.
+# This is not in the C99 standard, but in the Single Unix Specification (SUS).
+# It is used in our langauge translation strings.
+#
+AC_DEFUN([PGAC_FUNC_PRINTF_ARG_CONTROL],
+[AC_MSG_CHECKING([printf supports argument control])
+AC_CACHE_VAL(pgac_cv_printf_arg_control,
+[AC_TRY_RUN([#include <stdio.h>
+
+int does_printf_have_arg_control()
+{
+ char buf[100];
+
+ /* can it swap arguments? */
+ snprintf(buf, 100, "%2$d|%1$d", 3, 4);
+ if (strcmp(buf, "4|3") != 0)
+ return 0;
+ return 1;
+}
+main() {
+ exit(! does_printf_have_arg_control());
+}],
+[pgac_cv_printf_arg_control=yes],
+[pgac_cv_printf_arg_control=no],
+[pgac_cv_printf_arg_control=cross])
+])dnl AC_CACHE_VAL
+AC_MSG_RESULT([$pgac_cv_printf_arg_control])
+])# PGAC_FUNC_PRINTF_ARG_CONTROL
diff --git a/configure b/configure
index 4345e75d895..7f083500174 100755
--- a/configure
+++ b/configure
@@ -12162,6 +12162,63 @@ fi
done
+echo "$as_me:$LINENO: checking printf supports argument control" >&5
+echo $ECHO_N "checking printf supports argument control... $ECHO_C" >&6
+if test "${pgac_cv_printf_arg_control+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$cross_compiling" = yes; then
+ pgac_cv_printf_arg_control=cross
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#include <stdio.h>
+
+int does_printf_have_arg_control()
+{
+ char buf[100];
+
+ /* can it swap arguments? */
+ snprintf(buf, 100, "%2$d|%1$d", 3, 4);
+ if (strcmp(buf, "4|3") != 0)
+ return 0;
+ return 1;
+}
+main() {
+ exit(! does_printf_have_arg_control());
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ pgac_cv_printf_arg_control=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+( exit $ac_status )
+pgac_cv_printf_arg_control=no
+fi
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+fi
+echo "$as_me:$LINENO: result: $pgac_cv_printf_arg_control" >&5
+echo "${ECHO_T}$pgac_cv_printf_arg_control" >&6
+
+# cross compiler should use our snprintf too
+if test $pgac_cv_printf_arg_control != yes ; then
+ pgac_need_repl_snprintf=yes
+fi
# Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
# include/c.h will provide declarations. Note this is a separate test
diff --git a/configure.in b/configure.in
index 68ac785735d..9c81ad5f5aa 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.399 2005/01/18 05:23:36 momjian Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.400 2005/02/22 03:55:12 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@@ -881,6 +881,11 @@ pgac_need_repl_snprintf=no
AC_CHECK_FUNCS(snprintf, [], pgac_need_repl_snprintf=yes)
AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
+PGAC_FUNC_PRINTF_ARG_CONTROL
+# cross compiler should use our snprintf too
+if test $pgac_cv_printf_arg_control != yes ; then
+ pgac_need_repl_snprintf=yes
+fi
# Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
# include/c.h will provide declarations. Note this is a separate test
@@ -1069,6 +1074,8 @@ AC_MSG_ERROR([[
[AC_MSG_RESULT([cross-compiling])])
+dnl 64-bit section
+dnl
dnl Check to see if we have a working 64-bit integer type.
dnl This breaks down into two steps:
dnl (1) figure out if the compiler has a 64-bit int type with working
diff --git a/src/port/snprintf.c b/src/port/snprintf.c
index 9f3baec7dca..00378213a4c 100644
--- a/src/port/snprintf.c
+++ b/src/port/snprintf.c
@@ -57,6 +57,10 @@ typedef long long_long;
typedef unsigned long ulong_long;
#endif
+#ifndef NL_ARGMAX
+#define NL_ARGMAX 4096
+#endif
+
/*
** SNPRINTF, VSNPRINT -- counted versions of printf
**
@@ -79,15 +83,33 @@ typedef unsigned long ulong_long;
* causing nast effects.
**************************************************************/
-/*static char _id[] = "$PostgreSQL: pgsql/src/port/snprintf.c,v 1.4 2004/08/29 05:07:02 momjian Exp $";*/
+/*static char _id[] = "$PostgreSQL: pgsql/src/port/snprintf.c,v 1.5 2005/02/22 03:56:22 momjian Exp $";*/
static char *end;
static int SnprfOverflow;
int snprintf(char *str, size_t count, const char *fmt,...);
int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
+int printf(const char *format, ...);
static void dopr(char *buffer, const char *format, va_list args);
int
+printf(const char *fmt,...)
+{
+ int len;
+ va_list args;
+ static char* buffer[4096];
+ char* p;
+
+ va_start(args, fmt);
+ len = vsnprintf((char*)buffer, (size_t)4096, fmt, args);
+ va_end(args);
+ p = (char*)buffer;
+ for(;*p;p++)
+ putchar(*p);
+ return len;
+}
+
+int
snprintf(char *str, size_t count, const char *fmt,...)
{
int len;
@@ -124,6 +146,10 @@ static void dopr_outch(int c);
static char *output;
+#define FMTSTR 1
+#define FMTNUM 2
+#define FMTFLOAT 3
+#define FMTCHAR 4
static void
dopr(char *buffer, const char *format, va_list args)
@@ -139,7 +165,34 @@ dopr(char *buffer, const char *format, va_list args)
int ljust;
int len;
int zpad;
-
+ int i;
+ const char* format_save;
+ const char* fmtbegin;
+ int fmtpos = 1;
+ int realpos = 0;
+ int position;
+ static struct{
+ const char* fmtbegin;
+ const char* fmtend;
+ void* value;
+ long_long numvalue;
+ double fvalue;
+ int charvalue;
+ int ljust;
+ int len;
+ int zpad;
+ int maxwidth;
+ int base;
+ int dosign;
+ char type;
+ int precision;
+ int pointflag;
+ char func;
+ int realpos;
+ } fmtpar[NL_ARGMAX+1], *fmtparptr[NL_ARGMAX+1];
+
+
+ format_save = format;
output = buffer;
while ((ch = *format++))
{
@@ -148,14 +201,15 @@ dopr(char *buffer, const char *format, va_list args)
case '%':
ljust = len = zpad = maxwidth = 0;
longflag = longlongflag = pointflag = 0;
+ fmtbegin = format - 1;
+ realpos = 0;
+ position = 0;
nextch:
ch = *format++;
switch (ch)
{
case 0:
- dostr("**end of format**", 0);
- *output = '\0';
- return;
+ goto performpr;
case '-':
ljust = 1;
goto nextch;
@@ -174,7 +228,14 @@ dopr(char *buffer, const char *format, va_list args)
if (pointflag)
maxwidth = maxwidth * 10 + ch - '0';
else
+ {
len = len * 10 + ch - '0';
+ position = position * 10 + ch - '0';
+ }
+ goto nextch;
+ case '$':
+ realpos = position;
+ len = 0;
goto nextch;
case '*':
if (pointflag)
@@ -203,7 +264,17 @@ dopr(char *buffer, const char *format, va_list args)
}
else
value = va_arg(args, unsigned int);
- fmtnum(value, 10, 0, ljust, len, zpad);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].numvalue = value;
+ fmtpar[fmtpos].base = 10;
+ fmtpar[fmtpos].dosign = 0;
+ fmtpar[fmtpos].ljust = ljust;
+ fmtpar[fmtpos].len = len;
+ fmtpar[fmtpos].zpad = zpad;
+ fmtpar[fmtpos].func = FMTNUM;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
break;
case 'o':
case 'O':
@@ -217,7 +288,17 @@ dopr(char *buffer, const char *format, va_list args)
}
else
value = va_arg(args, unsigned int);
- fmtnum(value, 8, 0, ljust, len, zpad);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].numvalue = value;
+ fmtpar[fmtpos].base = 8;
+ fmtpar[fmtpos].dosign = 0;
+ fmtpar[fmtpos].ljust = ljust;
+ fmtpar[fmtpos].len = len;
+ fmtpar[fmtpos].zpad = zpad;
+ fmtpar[fmtpos].func = FMTNUM;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
break;
case 'd':
case 'D':
@@ -230,7 +311,17 @@ dopr(char *buffer, const char *format, va_list args)
}
else
value = va_arg(args, int);
- fmtnum(value, 10, 1, ljust, len, zpad);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].numvalue = value;
+ fmtpar[fmtpos].base = 10;
+ fmtpar[fmtpos].dosign = 1;
+ fmtpar[fmtpos].ljust = ljust;
+ fmtpar[fmtpos].len = len;
+ fmtpar[fmtpos].zpad = zpad;
+ fmtpar[fmtpos].func = FMTNUM;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
break;
case 'x':
if (longflag)
@@ -242,7 +333,17 @@ dopr(char *buffer, const char *format, va_list args)
}
else
value = va_arg(args, unsigned int);
- fmtnum(value, 16, 0, ljust, len, zpad);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].numvalue = value;
+ fmtpar[fmtpos].base = 16;
+ fmtpar[fmtpos].dosign = 0;
+ fmtpar[fmtpos].ljust = ljust;
+ fmtpar[fmtpos].len = len;
+ fmtpar[fmtpos].zpad = zpad;
+ fmtpar[fmtpos].func = FMTNUM;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
break;
case 'X':
if (longflag)
@@ -254,7 +355,17 @@ dopr(char *buffer, const char *format, va_list args)
}
else
value = va_arg(args, unsigned int);
- fmtnum(value, -16, 0, ljust, len, zpad);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].numvalue = value;
+ fmtpar[fmtpos].base = -16;
+ fmtpar[fmtpos].dosign = 1;
+ fmtpar[fmtpos].ljust = ljust;
+ fmtpar[fmtpos].len = len;
+ fmtpar[fmtpos].zpad = zpad;
+ fmtpar[fmtpos].func = FMTNUM;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
break;
case 's':
strvalue = va_arg(args, char *);
@@ -262,12 +373,26 @@ dopr(char *buffer, const char *format, va_list args)
{
if (pointflag && len > maxwidth)
len = maxwidth; /* Adjust padding */
- fmtstr(strvalue, ljust, len, zpad, maxwidth);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].value = strvalue;
+ fmtpar[fmtpos].ljust = ljust;
+ fmtpar[fmtpos].len = len;
+ fmtpar[fmtpos].zpad = zpad;
+ fmtpar[fmtpos].maxwidth = maxwidth;
+ fmtpar[fmtpos].func = FMTSTR;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
}
break;
case 'c':
ch = va_arg(args, int);
- dopr_outch(ch);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].charvalue = ch;
+ fmtpar[fmtpos].func = FMTCHAR;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
break;
case 'e':
case 'E':
@@ -275,11 +400,20 @@ dopr(char *buffer, const char *format, va_list args)
case 'g':
case 'G':
fvalue = va_arg(args, double);
- fmtfloat(fvalue, ch, ljust, len, maxwidth, pointflag);
+ fmtpar[fmtpos].fmtbegin = fmtbegin;
+ fmtpar[fmtpos].fmtend = format;
+ fmtpar[fmtpos].fvalue = fvalue;
+ fmtpar[fmtpos].type = ch;
+ fmtpar[fmtpos].ljust = ljust;
+ fmtpar[fmtpos].len = len;
+ fmtpar[fmtpos].maxwidth = maxwidth;
+ fmtpar[fmtpos].pointflag = pointflag;
+ fmtpar[fmtpos].func = FMTFLOAT;
+ fmtpar[fmtpos].realpos = realpos?realpos:fmtpos;
+ fmtpos++;
break;
case '%':
- dopr_outch(ch);
- continue;
+ break;
default:
dostr("???????", 0);
}
@@ -289,6 +423,53 @@ dopr(char *buffer, const char *format, va_list args)
break;
}
}
+performpr:
+ /* shuffle pointers */
+ for(i = 1; i < fmtpos; i++)
+ {
+ fmtparptr[i] = &fmtpar[fmtpar[i].realpos];
+ }
+ output = buffer;
+ format = format_save;
+ while ((ch = *format++))
+ {
+ for(i = 1; i < fmtpos; i++)
+ {
+ if(ch == '%' && *format == '%')
+ {
+ format++;
+ continue;
+ }
+ if(fmtpar[i].fmtbegin == format - 1)
+ {
+ switch(fmtparptr[i]->func){
+ case FMTSTR:
+ fmtstr(fmtparptr[i]->value, fmtparptr[i]->ljust,
+ fmtparptr[i]->len, fmtparptr[i]->zpad,
+ fmtparptr[i]->maxwidth);
+ break;
+ case FMTNUM:
+ fmtnum(fmtparptr[i]->numvalue, fmtparptr[i]->base,
+ fmtparptr[i]->dosign, fmtparptr[i]->ljust,
+ fmtparptr[i]->len, fmtparptr[i]->zpad);
+ break;
+ case FMTFLOAT:
+ fmtfloat(fmtparptr[i]->fvalue, fmtparptr[i]->type,
+ fmtparptr[i]->ljust, fmtparptr[i]->len,
+ fmtparptr[i]->precision, fmtparptr[i]->pointflag);
+ break;
+ case FMTCHAR:
+ dopr_outch(fmtparptr[i]->charvalue);
+ break;
+ }
+ format = fmtpar[i].fmtend;
+ goto nochar;
+ }
+ }
+ dopr_outch(ch);
+nochar:
+ /* nothing */
+ }
*output = '\0';
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-28 11:00:49 +0000