mirror of
https://github.com/9fans/plan9port.git
synced 2025-01-12 11:10:07 +00:00
26 lines
371 B
Groff
26 lines
371 B
Groff
|
.TH ASSERT 3
|
||
|
|
.SH NAME
|
||
|
|
assert \- check program invariants
|
||
|
|
.SH SYNOPSIS
|
||
|
|
.B #include <u.h>
|
||
|
|
.br
|
||
|
|
.B #include <libc.h>
|
||
|
|
.PP
|
||
|
|
.B
|
||
|
|
#define assert if(cond);else _assert("cond")
|
||
|
|
.PP
|
||
|
|
.B
|
||
|
|
void _assert(int cond)
|
||
|
|
.SH DESCRIPTION
|
||
|
|
.I Assert
|
||
|
|
is a preprocessor macro that
|
||
|
|
(via
|
||
|
|
.IR _assert )
|
||
|
|
prints a message and calls
|
||
|
|
.I abort
|
||
|
|
when
|
||
|
|
.I cond
|
||
|
|
is false.
|
||
|
|
.SH SOURCE
|
||
|
|
.B /sys/src/libc/port/_assert.c
|