diff options
Diffstat (limited to 'man-pages-posix-2003/man3p/assert.3p')
-rw-r--r-- | man-pages-posix-2003/man3p/assert.3p | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/man-pages-posix-2003/man3p/assert.3p b/man-pages-posix-2003/man3p/assert.3p new file mode 100644 index 0000000..c7d7096 --- /dev/null +++ b/man-pages-posix-2003/man3p/assert.3p @@ -0,0 +1,72 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "ASSERT" 3P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" assert +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. +.SH NAME +assert \- insert program diagnostics +.SH SYNOPSIS +.LP +\fB#include <assert.h> +.br +.sp +void assert(scalar\fP \fIexpression\fP\fB); +.br +\fP +.SH DESCRIPTION +.LP +The \fIassert\fP() macro shall insert diagnostics into programs; it +shall expand to a \fBvoid\fP expression. When it is +executed, if \fIexpression\fP (which shall have a \fBscalar\fP type) +is false (that is, compares equal to 0), \fIassert\fP() +shall write information about the particular call that failed on \fIstderr\fP +and shall call \fIabort\fP(). +.LP +The information written about the call that failed shall include the +text of the argument, the name of the source file, the +source file line number, and the name of the enclosing function; the +latter are, respectively, the values of the preprocessing +macros __FILE__ and __LINE__ and of the identifier __func__. +.LP +Forcing a definition of the name NDEBUG, either from the compiler +command line or with the preprocessor control statement +\fB#define\fP NDEBUG ahead of the \fB#include\fP \fI<assert.h>\fP +statement, shall +stop assertions from being compiled into the program. +.SH RETURN VALUE +.LP +The \fIassert\fP() macro shall not return a value. +.SH ERRORS +.LP +No errors are defined. +.LP +\fIThe following sections are informative.\fP +.SH EXAMPLES +.LP +None. +.SH APPLICATION USAGE +.LP +None. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fIabort\fP(), \fIstderr\fP, the Base Definitions volume of IEEE\ Std\ 1003.1-2001, +\fI<assert.h>\fP +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . |