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.\" Copyright (c) 2020 Kristaps Dzonsons <kristaps@bsd.lv>
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.Nd put a character into a kcgi buffer
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.Fa "struct kcgi_buf *buf"
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Buffers must be initialised to zero with
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indicating the error state.
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Success (not an error).
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Internal memory allocation failure.
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The output connection has been terminated.
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For FastCGI connections, the current connection should be released with
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and parse loop reentered.
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The connection is still expecting headers with
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did not return with success or was not invoked.
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For FastCGI connections, the current connection should be released with
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and parse loop reentered.
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Internal system error writing to the output stream.
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The following creates a simple NUL-terminated buffer and outputs its
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It does not perform any error checking.
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.Bd -literal -offset indent
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memset(&buf, 0, sizeof(struct kcgi_buf));
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kcgi_buf_putc(&buf, 'f');
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kcgi_buf_putc(&buf, 'o');
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kcgi_buf_putc(&buf, 'o');
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puts(buf.buf); /* Emits "foo" */
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.Xr kcgi_buf_printf 3 ,
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.An Kristaps Dzonsons Aq Mt kristaps@bsd.lv .