group__apr__strings.html

apr函数库使用手册

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<p>
create a string representation of a long, allocated from a pool <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>p</em>&nbsp;</td><td>The pool from which to allocate </td></tr>
    <tr><td></td><td valign=top><em>n</em>&nbsp;</td><td>The number to format </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>The string representation of the number </dd></dl>
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<a class="anchor" name="ga16" doxytag="apr_strings.h::apr_off_t_toa" ></a><p>
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          <td class="md" nowrap valign="top"> char* apr_off_t_toa           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em>, </td>
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          <td class="md" nowrap>apr_off_t&nbsp;</td>
          <td class="mdname" nowrap> <em>n</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
create a string representation of an apr_off_t, allocated from a pool <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>p</em>&nbsp;</td><td>The pool from which to allocate </td></tr>
    <tr><td></td><td valign=top><em>n</em>&nbsp;</td><td>The number to format </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>The string representation of the number </dd></dl>
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<a class="anchor" name="ga5" doxytag="apr_strings.h::apr_pmemdup" ></a><p>
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          <td class="md" nowrap valign="top"> void* apr_pmemdup           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em>, </td>
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          <td class="md" nowrap align="right"></td>
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          <td class="md" nowrap>const void *&nbsp;</td>
          <td class="mdname" nowrap> <em>m</em>, </td>
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          <td class="md" nowrap>apr_size_t&nbsp;</td>
          <td class="mdname" nowrap> <em>n</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Duplicate a block of memory.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>p</em>&nbsp;</td><td>The pool to allocate from </td></tr>
    <tr><td></td><td valign=top><em>m</em>&nbsp;</td><td>The memory to duplicate </td></tr>
    <tr><td></td><td valign=top><em>n</em>&nbsp;</td><td>The number of bytes to duplicate </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>The new block of memory </dd></dl>
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<a class="anchor" name="ga9" doxytag="apr_strings.h::apr_psprintf" ></a><p>
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          <td class="md" nowrap valign="top"> char* apr_psprintf           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em>, </td>
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          <td class="md" nowrap>const char *&nbsp;</td>
          <td class="mdname" nowrap> <em>fmt</em>, </td>
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          <td></td>
          <td class="md" nowrap>&nbsp;</td>
          <td class="mdname" nowrap> <em>...</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
printf-style style printing routine. The data is output to a string allocated from a pool <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>p</em>&nbsp;</td><td>The pool to allocate out of </td></tr>
    <tr><td></td><td valign=top><em>fmt</em>&nbsp;</td><td>The format of the string </td></tr>
    <tr><td></td><td valign=top><em>...</em>&nbsp;</td><td>The arguments to use while printing the data </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>The new string </dd></dl>
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<a class="anchor" name="ga6" doxytag="apr_strings.h::apr_pstrcat" ></a><p>
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          <td class="md" nowrap valign="top"> char* apr_pstrcat           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>&nbsp;</td>
          <td class="mdname" nowrap> <em>...</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Concatenate multiple strings, allocating memory out a pool <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>p</em>&nbsp;</td><td>The pool to allocate out of </td></tr>
    <tr><td></td><td valign=top><em>...</em>&nbsp;</td><td>The strings to concatenate. The final string must be NULL </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>The new string </dd></dl>
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<a class="anchor" name="ga7" doxytag="apr_strings.h::apr_pstrcatv" ></a><p>
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          <td class="md" nowrap valign="top"> char* apr_pstrcatv           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>const struct iovec *&nbsp;</td>
          <td class="mdname" nowrap> <em>vec</em>, </td>
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          <td class="md" nowrap>apr_size_t&nbsp;</td>
          <td class="mdname" nowrap> <em>nvec</em>, </td>
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          <td></td>
          <td class="md" nowrap>apr_size_t *&nbsp;</td>
          <td class="mdname" nowrap> <em>nbytes</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Concatenate multiple strings specified in a writev-style vector <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td></td><td valign=top><em>p</em>&nbsp;</td><td>The pool from which to allocate </td></tr>
    <tr><td></td><td valign=top><em>vec</em>&nbsp;</td><td>The strings to concatenate </td></tr>
    <tr><td></td><td valign=top><em>nvec</em>&nbsp;</td><td>The number of strings to concatenate </td></tr>
    <tr><td></td><td valign=top><em>nbytes</em>&nbsp;</td><td>(output) strlen of new string (pass in NULL to omit) </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>The new string </dd></dl>
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<a class="anchor" name="ga2" doxytag="apr_strings.h::apr_pstrdup" ></a><p>
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          <td class="md" nowrap valign="top"> char* apr_pstrdup           </td>
          <td class="md" valign="top">(&nbsp;</td>