I686LINUX/util/I686LINUX/doc/postgresql/html/spi-realloc.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <HTML
   3 ><HEAD
   4 ><TITLE
   5 >SPI_repalloc</TITLE
   6 ><META
   7 NAME="GENERATOR"
   8 CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
   9 REV="MADE"
  10 HREF="mailto:pgsql-docs@postgresql.org"><LINK
  11 REL="HOME"
  12 TITLE="PostgreSQL 7.4.1 Documentation"
  13 HREF="index.html"><LINK
  14 REL="UP"
  15 TITLE="Memory Management"
  16 HREF="spi-memory.html"><LINK
  17 REL="PREVIOUS"
  18 TITLE="SPI_palloc"
  19 HREF="spi-spi-palloc.html"><LINK
  20 REL="NEXT"
  21 TITLE="SPI_pfree"
  22 HREF="spi-spi-pfree.html"><LINK
  23 REL="STYLESHEET"
  24 TYPE="text/css"
  25 HREF="stylesheet.css"><META
  26 NAME="creation"
  27 CONTENT="2003-12-22T03:48:47"></HEAD
  28 ><BODY
  29 CLASS="REFENTRY"
  30 ><DIV
  31 CLASS="NAVHEADER"
  32 ><TABLE
  33 SUMMARY="Header navigation table"
  34 WIDTH="100%"
  35 BORDER="0"
  36 CELLPADDING="0"
  37 CELLSPACING="0"
  38 ><TR
  39 ><TH
  40 COLSPAN="5"
  41 ALIGN="center"
  42 VALIGN="bottom"
  43 >PostgreSQL 7.4.1 Documentation</TH
  44 ></TR
  45 ><TR
  46 ><TD
  47 WIDTH="10%"
  48 ALIGN="left"
  49 VALIGN="top"
  50 ><A
  51 HREF="spi-spi-palloc.html"
  52 ACCESSKEY="P"
  53 >Prev</A
  54 ></TD
  55 ><TD
  56 WIDTH="10%"
  57 ALIGN="left"
  58 VALIGN="top"
  59 ><A
  60 HREF="spi-spi-palloc.html"
  61 >Fast Backward</A
  62 ></TD
  63 ><TD
  64 WIDTH="60%"
  65 ALIGN="center"
  66 VALIGN="bottom"
  67 ></TD
  68 ><TD
  69 WIDTH="10%"
  70 ALIGN="right"
  71 VALIGN="top"
  72 ><A
  73 HREF="spi-spi-pfree.html"
  74 >Fast Forward</A
  75 ></TD
  76 ><TD
  77 WIDTH="10%"
  78 ALIGN="right"
  79 VALIGN="top"
  80 ><A
  81 HREF="spi-spi-pfree.html"
  82 ACCESSKEY="N"
  83 >Next</A
  84 ></TD
  85 ></TR
  86 ></TABLE
  87 ><HR
  88 ALIGN="LEFT"
  89 WIDTH="100%"></DIV
  90 ><H1
  91 ><A
  92 NAME="SPI-REALLOC"
  93 ></A
  94 >SPI_repalloc</H1
  95 ><DIV
  96 CLASS="REFNAMEDIV"
  97 ><A
  98 NAME="AEN34164"
  99 ></A
 100 ><H2
 101 >Name</H2
 102 >SPI_repalloc&nbsp;--&nbsp;reallocate memory in the upper executor context</DIV
 103 ><A
 104 NAME="AEN34167"
 105 ></A
 106 ><DIV
 107 CLASS="REFSYNOPSISDIV"
 108 ><A
 109 NAME="AEN34169"
 110 ></A
 111 ><H2
 112 >Synopsis</H2
 113 ><PRE
 114 CLASS="SYNOPSIS"
 115 >void * SPI_repalloc(void * <VAR
 116 CLASS="PARAMETER"
 117 >pointer</VAR
 118 >, Size <VAR
 119 CLASS="PARAMETER"
 120 >size</VAR
 121 >)</PRE
 122 ></DIV
 123 ><DIV
 124 CLASS="REFSECT1"
 125 ><A
 126 NAME="AEN34173"
 127 ></A
 128 ><H2
 129 >Description</H2
 130 ><P
 131 >   <CODE
 132 CLASS="FUNCTION"
 133 >SPI_repalloc</CODE
 134 > changes the size of a memory
 135    segment previously allocated using <CODE
 136 CLASS="FUNCTION"
 137 >SPI_palloc</CODE
 138 >.
 139   </P
 140 ><P
 141 >   This function is no longer different from plain
 142    <CODE
 143 CLASS="FUNCTION"
 144 >repalloc</CODE
 145 >.  It's kept just for backward
 146    compatibility of existing code.
 147   </P
 148 ></DIV
 149 ><DIV
 150 CLASS="REFSECT1"
 151 ><A
 152 NAME="AEN34180"
 153 ></A
 154 ><H2
 155 >Arguments</H2
 156 ><P
 157 ></P
 158 ><DIV
 159 CLASS="VARIABLELIST"
 160 ><DL
 161 ><DT
 162 ><TT
 163 CLASS="LITERAL"
 164 >void * <VAR
 165 CLASS="PARAMETER"
 166 >pointer</VAR
 167 ></TT
 168 ></DT
 169 ><DD
 170 ><P
 171 >      pointer to existing storage to change
 172      </P
 173 ></DD
 174 ><DT
 175 ><TT
 176 CLASS="LITERAL"
 177 >Size <VAR
 178 CLASS="PARAMETER"
 179 >size</VAR
 180 ></TT
 181 ></DT
 182 ><DD
 183 ><P
 184 >      size in bytes of storage to allocate
 185      </P
 186 ></DD
 187 ></DL
 188 ></DIV
 189 ></DIV
 190 ><DIV
 191 CLASS="REFSECT1"
 192 ><A
 193 NAME="AEN34195"
 194 ></A
 195 ><H2
 196 >Return Value</H2
 197 ><P
 198 >   pointer to new storage space of specified size with the contents
 199    copied from the existing area
 200   </P
 201 ></DIV
 202 ><DIV
 203 CLASS="NAVFOOTER"
 204 ><HR
 205 ALIGN="LEFT"
 206 WIDTH="100%"><TABLE
 207 SUMMARY="Footer navigation table"
 208 WIDTH="100%"
 209 BORDER="0"
 210 CELLPADDING="0"
 211 CELLSPACING="0"
 212 ><TR
 213 ><TD
 214 WIDTH="33%"
 215 ALIGN="left"
 216 VALIGN="top"
 217 ><A
 218 HREF="spi-spi-palloc.html"
 219 ACCESSKEY="P"
 220 >Prev</A
 221 ></TD
 222 ><TD
 223 WIDTH="34%"
 224 ALIGN="center"
 225 VALIGN="top"
 226 ><A
 227 HREF="index.html"
 228 ACCESSKEY="H"
 229 >Home</A
 230 ></TD
 231 ><TD
 232 WIDTH="33%"
 233 ALIGN="right"
 234 VALIGN="top"
 235 ><A
 236 HREF="spi-spi-pfree.html"
 237 ACCESSKEY="N"
 238 >Next</A
 239 ></TD
 240 ></TR
 241 ><TR
 242 ><TD
 243 WIDTH="33%"
 244 ALIGN="left"
 245 VALIGN="top"
 246 >SPI_palloc</TD
 247 ><TD
 248 WIDTH="34%"
 249 ALIGN="center"
 250 VALIGN="top"
 251 ><A
 252 HREF="spi-memory.html"
 253 ACCESSKEY="U"
 254 >Up</A
 255 ></TD
 256 ><TD
 257 WIDTH="33%"
 258 ALIGN="right"
 259 VALIGN="top"
 260 >SPI_pfree</TD
 261 ></TR
 262 ></TABLE
 263 ></DIV
 264 ></BODY
 265 ></HTML
 266 >