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diff --git a/man/man3/errstr.html b/man/man3/errstr.html deleted file mode 100644 index 547efc8d..00000000 --- a/man/man3/errstr.html +++ /dev/null @@ -1,121 +0,0 @@ -<head> -<title>errstr(3) - Plan 9 from User Space</title> -<meta content="text/html; charset=utf-8" http-equiv=Content-Type> -</head> -<body bgcolor=#ffffff> -<table border=0 cellpadding=0 cellspacing=0 width=100%> -<tr height=10><td> -<tr><td width=20><td> -<tr><td width=20><td><b>ERRSTR(3)</b><td align=right><b>ERRSTR(3)</b> -<tr><td width=20><td colspan=2> - <br> -<p><font size=+1><b>NAME </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - errstr, rerrstr, werrstr – description of last system call error<br> - -</table> -<p><font size=+1><b>SYNOPSIS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>#include <u.h><br> - #include <libc.h> - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - <tt><font size=+1>int errstr(char *err, uint nerr) - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - <tt><font size=+1>void rerrstr(char *err, uint nerr) - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - <tt><font size=+1>void werrstr(char *fmt, ...)<br> - </font></tt> -</table> -<p><font size=+1><b>DESCRIPTION </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - When a system call fails it returns –1 and records a null terminated - string describing the error in a per-process buffer. <i>Errstr</i> swaps - the contents of that buffer with the contents of the array <i>err</i>. - <i>Errstr</i> will write at most <i>nerr</i> bytes into <i>err</i>; if the per-process - error string does not fit, it is silently truncated at a UTF - character boundary. The returned string is NUL-terminated. Usually - <i>errstr</i> will be called with an empty string, but the exchange property - provides a mechanism for libraries to set the return value for - the next call to <i>errstr</i>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - The per-process buffer is <tt><font size=+1>ERRMAX</font></tt> bytes long. Any error string - provided by the user will be truncated at <tt><font size=+1>ERRMAX−1</font></tt> bytes. <tt><font size=+1>ERRMAX</font></tt> - is defined in <tt><font size=+1><libc.h></font></tt>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - If no system call has generated an error since the last call to - <i>errstr</i> with an empty string, the result is an empty string. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - The verb <tt><font size=+1>r</font></tt> in <a href="../man3/print.html"><i>print</i>(3)</a> calls <i>errstr</i> and outputs the error string. - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - <i>Rerrstr</i> reads the error string but does not modify the per-process - buffer, so a subsequent <i>errstr</i> will recover the same string. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - <i>Werrstr</i> takes a <i>print</i> style format as its argument and uses it - to format a string to pass to <i>errstr</i>. The string returned from - <i>errstr</i> is discarded. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - The error string is maintained in parallel with the Unix error - number <i>errno</i>. Changing <i>errno</i> will reset the error string, and - changing the error string via <i>errstr</i> or <i>werrstr</i> will reset <i>errno</i>.<br> - -</table> -<p><font size=+1><b>SOURCE </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>/usr/local/plan9/src/lib9/errstr.c<br> - </font></tt> -</table> -<p><font size=+1><b>DIAGNOSTICS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <i>Errstr</i> always returns 0.<br> - -</table> -<p><font size=+1><b>SEE ALSO </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <a href="../man3/intro.html"><i>intro</i>(3)</a>, <a href="../man3/perror.html"><i>perror</i>(3)</a><br> - -</table> -<p><font size=+1><b>BUGS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - The implementation sets <i>errno</i> to the (somewhat arbitrary) constant - 0x19283745 when the error string is valid. When <i>errno</i> is set to - other values, the error string is synthesized using <a href="../man3/strerror.html"><i>strerror</i>(3)</a>.<br> - -</table> - -<td width=20> -<tr height=20><td> -</table> -<!-- TRAILER --> -<table border=0 cellpadding=0 cellspacing=0 width=100%> -<tr height=15><td width=10><td><td width=10> -<tr><td><td> -<center> -<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a> -</center> -</table> -<!-- TRAILER --> -</body></html> |