| Line | |
|---|
| 1 | .\" @(#)assert.3 6.2 (Berkeley) 5/12/86
|
|---|
| 2 | .\"
|
|---|
| 3 | .TH ASSERT 3 "May 12, 1986"
|
|---|
| 4 | .AT 3
|
|---|
| 5 | .SH NAME
|
|---|
| 6 | assert \- program verification
|
|---|
| 7 | .SH SYNOPSIS
|
|---|
| 8 | .nf
|
|---|
| 9 | .ft B
|
|---|
| 10 | #include <assert.h>
|
|---|
| 11 |
|
|---|
| 12 | void assert(int \fIexpression\fP)
|
|---|
| 13 | .fi
|
|---|
| 14 | .SH DESCRIPTION
|
|---|
| 15 | .B Assert
|
|---|
| 16 | is a macro that indicates
|
|---|
| 17 | .I expression
|
|---|
| 18 | is expected to be true at this point in the program.
|
|---|
| 19 | It causes an
|
|---|
| 20 | .BR abort (3)
|
|---|
| 21 | with a diagnostic comment on the standard output when
|
|---|
| 22 | .I expression
|
|---|
| 23 | is false (0).
|
|---|
| 24 | Compiling with the
|
|---|
| 25 | .BR cc (1)
|
|---|
| 26 | option
|
|---|
| 27 | .SM
|
|---|
| 28 | .B \-DNDEBUG
|
|---|
| 29 | effectively deletes
|
|---|
| 30 | .B assert
|
|---|
| 31 | from the program.
|
|---|
| 32 | .SH DIAGNOSTICS
|
|---|
| 33 | `Assertion "\fIexpression\fR" failed: file
|
|---|
| 34 | .I f
|
|---|
| 35 | line
|
|---|
| 36 | .IR n .'
|
|---|
| 37 | .I F
|
|---|
| 38 | is the source file and
|
|---|
| 39 | .I n
|
|---|
| 40 | the source line number of the
|
|---|
| 41 | .B assert
|
|---|
| 42 | statement.
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
