BuildSystem/Windows: * Added 5.1.50 (GA) MySQL client sources for crosscompiling (or lazy) windows people.
* Added an option to autosearch for your own installed MySQL as before. Note that default setting is to use the internal MySQL. * You can now build 32-bit even if your MySQL is x64 and vice versa. * Recommended MySQL server version for use with provided MySQL client sources is 5.1.x. * If your server version is different, let CMake autofind and use it instead (check EXTERNAL_MYSQL option) --HG-- branch : trunk
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/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <my_global.h>
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#include <m_string.h>
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#include <stdarg.h>
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#include <m_ctype.h>
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/*
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Limited snprintf() implementations
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SYNOPSIS
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my_vsnprintf()
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to Store result here
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n Store up to n-1 characters, followed by an end 0
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fmt printf format
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ap Arguments
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IMPLEMENTION:
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Supports following formats:
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%#[l]d
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%#[l]u
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%#[l]x
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%#.#b Local format; note first # is ignored and second is REQUIRED
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%#.#s Note first # is ignored
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RETURN
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length of result string
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*/
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size_t my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
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{
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char *start=to, *end=to+n-1;
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size_t length, width;
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uint pre_zero, have_long;
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for (; *fmt ; fmt++)
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{
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if (*fmt != '%')
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{
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if (to == end) /* End of buffer */
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break;
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*to++= *fmt; /* Copy ordinary char */
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continue;
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}
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fmt++; /* skip '%' */
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/* Read max fill size (only used with %d and %u) */
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if (*fmt == '-')
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fmt++;
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length= width= 0;
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pre_zero= have_long= 0;
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if (*fmt == '*')
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{
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fmt++;
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length= va_arg(ap, int);
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}
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else
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for (; my_isdigit(&my_charset_latin1, *fmt); fmt++)
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{
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length= length * 10 + (uint)(*fmt - '0');
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if (!length)
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pre_zero= 1; /* first digit was 0 */
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}
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if (*fmt == '.')
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{
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fmt++;
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if (*fmt == '*')
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{
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fmt++;
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width= va_arg(ap, int);
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}
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else
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for (; my_isdigit(&my_charset_latin1, *fmt); fmt++)
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width= width * 10 + (uint)(*fmt - '0');
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}
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else
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width= ~0;
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if (*fmt == 'l')
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{
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fmt++;
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have_long= 1;
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}
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if (*fmt == 's') /* String parameter */
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{
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reg2 char *par = va_arg(ap, char *);
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size_t plen,left_len = (size_t) (end - to) + 1;
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if (!par) par = (char*)"(null)";
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plen= (uint) strnlen(par, width);
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if (left_len <= plen)
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plen = left_len - 1;
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to=strnmov(to,par,plen);
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continue;
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}
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else if (*fmt == 'b') /* Buffer parameter */
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{
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char *par = va_arg(ap, char *);
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DBUG_ASSERT(to <= end);
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if (to + abs(width) + 1 > end)
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width= (uint) (end - to - 1); /* sign doesn't matter */
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memmove(to, par, abs(width));
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to+= width;
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continue;
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}
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else if (*fmt == 'd' || *fmt == 'u'|| *fmt== 'x') /* Integer parameter */
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{
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register long larg;
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size_t res_length, to_length;
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char *store_start= to, *store_end;
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char buff[32];
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if ((to_length= (size_t) (end-to)) < 16 || length)
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store_start= buff;
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if (have_long)
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larg = va_arg(ap, long);
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else
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if (*fmt == 'd')
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larg = va_arg(ap, int);
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else
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larg= (long) (uint) va_arg(ap, int);
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if (*fmt == 'd')
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store_end= int10_to_str(larg, store_start, -10);
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else
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if (*fmt== 'u')
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store_end= int10_to_str(larg, store_start, 10);
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else
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store_end= int2str(larg, store_start, 16, 0);
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if ((res_length= (size_t) (store_end - store_start)) > to_length)
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break; /* num doesn't fit in output */
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/* If %#d syntax was used, we have to pre-zero/pre-space the string */
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if (store_start == buff)
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{
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length= min(length, to_length);
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if (res_length < length)
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{
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size_t diff= (length- res_length);
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bfill(to, diff, pre_zero ? '0' : ' ');
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to+= diff;
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}
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bmove(to, store_start, res_length);
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}
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to+= res_length;
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continue;
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}
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else if (*fmt == 'c') /* Character parameter */
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{
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register int larg;
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if (to == end)
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break;
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larg = va_arg(ap, int);
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*to++= (char) larg;
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continue;
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}
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/* We come here on '%%', unknown code or too long parameter */
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if (to == end)
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break;
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*to++='%'; /* % used as % or unknown code */
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}
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DBUG_ASSERT(to <= end);
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*to='\0'; /* End of errmessage */
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return (size_t) (to - start);
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}
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size_t my_snprintf(char* to, size_t n, const char* fmt, ...)
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{
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size_t result;
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va_list args;
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va_start(args,fmt);
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result= my_vsnprintf(to, n, fmt, args);
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va_end(args);
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return result;
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}
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#ifdef MAIN
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#define OVERRUN_SENTRY 250
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static void my_printf(const char * fmt, ...)
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{
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char buf[33];
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int n;
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va_list ar;
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va_start(ar, fmt);
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buf[sizeof(buf)-1]=OVERRUN_SENTRY;
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n = my_vsnprintf(buf, sizeof(buf)-1,fmt, ar);
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printf(buf);
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printf("n=%d, strlen=%d\n", n, strlen(buf));
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if ((uchar) buf[sizeof(buf)-1] != OVERRUN_SENTRY)
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{
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fprintf(stderr, "Buffer overrun\n");
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abort();
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}
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va_end(ar);
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}
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int main()
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{
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my_printf("Hello\n");
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my_printf("Hello int, %d\n", 1);
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my_printf("Hello string '%s'\n", "I am a string");
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my_printf("Hello hack hack hack hack hack hack hack %d\n", 1);
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my_printf("Hello %d hack %d\n", 1, 4);
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my_printf("Hello %d hack hack hack hack hack %d\n", 1, 4);
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my_printf("Hello '%s' hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n", "hack");
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my_printf("Hello hhhhhhhhhhhhhh %d sssssssssssssss\n", 1);
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my_printf("Hello %u\n", 1);
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my_printf("Hex: %lx '%6lx'\n", 32, 65);
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my_printf("conn %ld to: '%-.64s' user: '%-.32s' host:\
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`%-.64s' (%-.64s)", 1, 0,0,0,0);
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return 0;
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}
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#endif
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