71 lines
4.8 KiB
HTML
71 lines
4.8 KiB
HTML
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<title>curl_printf man page</title>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
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<p class="level0">curl_maprintf, curl_mfprintf, curl_mprintf, curl_msnprintf, curl_msprintf curl_mvaprintf, curl_mvfprintf, curl_mvprintf, curl_mvsnprintf, curl_mvsprintf - formatted output conversion <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
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<p class="level0"><span Class="bold">#include <curl/mprintf.h></span>
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<p class="level0"><span Class="bold">int curl_mprintf(const char * format , ...);</span> <br><span Class="bold">int curl_mfprintf(FILE * fd , const char * format , ...);</span> <br><span Class="bold">int curl_msprintf(char * buffer , const char * format , ...);</span> <br><span Class="bold">int curl_msnprintf(char * buffer , size_t maxlength , const char * format , ...);</span> <br><span Class="bold">int curl_mvprintf(const char * format , va_list args );</span> <br><span Class="bold">int curl_mvfprintf(FILE * fd , const char * format , va_list args );</span> <br><span Class="bold">int curl_mvsprintf(char * buffer , const char * format , va_list args );</span> <br><span Class="bold">int curl_mvsnprintf(char * buffer , size_t maxlength , const char * format , va_list args );</span> <br><span Class="bold">char *curl_maprintf(const char * format , ...);</span> <br><span Class="bold">char *curl_mvaprintf(const char * format , va_list args );</span> <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
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<p class="level0">These are all functions that produces output according to a format string and given arguments. These are mostly clones of the well-known C-style functions and there will be no detailed explanation of all available formatting rules and usage here.
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<p class="level0">See this table for notable exceptions.
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<p class="level1">
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<p class="level1"><span Class="bold">curl_mprintf()</span> Normal printf() clone.
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<p class="level1"><span Class="bold">curl_mfprintf()</span> Normal fprintf() clone.
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<p class="level1"><span Class="bold">curl_msprintf()</span> Normal sprintf() clone.
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<p class="level1"><span Class="bold">curl_msnprintf()</span> snprintf() clone. Many systems don't have this. It is just like <span Class="bold">sprintf</span> but with an extra argument after the buffer that specifies the length of the target buffer.
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<p class="level1"><span Class="bold">curl_mvprintf()</span> Normal vprintf() clone.
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<p class="level1"><span Class="bold">curl_mvfprintf()</span> Normal vfprintf() clone.
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<p class="level1"><span Class="bold">curl_mvsprintf()</span> Normal vsprintf() clone.
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<p class="level1"><span Class="bold">curl_mvsnprintf()</span> vsnprintf() clone. Many systems don't have this. It is just like <span Class="bold">vsprintf</span> but with an extra argument after the buffer that specifies the length of the target buffer.
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<p class="level1"><span Class="bold">curl_maprintf()</span> Like printf() but returns the output string as a malloc()ed string. The returned string must be free()ed by the receiver.
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<p class="level1"><span Class="bold">curl_mvaprintf()</span> Like curl_maprintf() but takes a va_list pointer argument instead of a variable amount of arguments.
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<p class="level0">
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<p class="level0">To easily use all these cloned functions instead of the normal ones, #define _MPRINTF_REPLACE before you include the <curl/mprintf.h> file. Then all the normal names like printf, fprintf, sprintf etc will use the curl-functions instead. <a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
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<p class="level0">These function will be removed from the public libcurl API in a near future. They will instead be made "available" by source code access only, and then as curlx_-prefixed functions. See lib/README.curlx for further details. <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
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<p class="level0">The <span Class="bold">curl_maprintf</span> and <span Class="bold">curl_mvaprintf</span> functions return a pointer to a newly allocated string, or NULL it it failed.
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<p class="level0">All other functions return the number of character they actually outputed. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
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<p class="level0"><span Class="manpage">printf (3)</span> <span Class="manpage"> sprintf (3)</span> <span Class="manpage"> fprintf (3)</span> <span Class="manpage"> vprintf (3) </span> <p class="roffit">
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