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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2007-07-09 20:07:44 +0000 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2007-07-09 20:07:44 +0000 |
| commit | a9b4ebbc8f99cd01f77f909ef7c93f9dbae47b5c (patch) | |
| tree | b37d196a6a6338f789487920ccafa5f2ee6f4f6c /man3 | |
| parent | c47291a73fa724a95ead942a5bdb69a5b44c58db (diff) | |
| download | man-pages-a9b4ebbc8f99cd01f77f909ef7c93f9dbae47b5c.tar.gz | |
ffix
Diffstat (limited to 'man3')
| -rw-r--r-- | man3/ceil.3 | 7 | ||||
| -rw-r--r-- | man3/cfree.3 | 4 | ||||
| -rw-r--r-- | man3/infnan.3 | 11 | ||||
| -rw-r--r-- | man3/sqrt.3 | 4 | ||||
| -rw-r--r-- | man3/strtoul.3 | 16 |
5 files changed, 31 insertions, 11 deletions
diff --git a/man3/ceil.3 b/man3/ceil.3 index 550d9d5e9e..3527a5d666 100644 --- a/man3/ceil.3 +++ b/man3/ceil.3 @@ -50,7 +50,8 @@ and can occur. If \fIx\fP is NaN, then NaN is returned and .I errno -may be set to EDOM. +may be set to +.BR EDOM . .SH "CONFORMING TO" The .BR ceil () @@ -59,7 +60,9 @@ The other functions are from C99. .SH NOTES SUSv2 and POSIX.1-2001 contain text about overflow (which might set .I errno -to ERANGE, or raise an exception). +to +.BR ERANGE , +or raise an exception). In practice, the result cannot overflow on any current machine, so this error-handling stuff is just nonsense. (More precisely, overflow can happen only when the maximum value diff --git a/man3/cfree.3 b/man3/cfree.3 index 380ce3bb47..9c6fe6249f 100644 --- a/man3/cfree.3 +++ b/man3/cfree.3 @@ -100,7 +100,9 @@ The SunOS version of returns 1 on success and 0 on failure. In case of error, .I errno -is set to EINVAL: the value of +is set to +.BR EINVAL : +the value of .I ptr was not a pointer to a block previously allocated by one of the routines in the diff --git a/man3/infnan.3 b/man3/infnan.3 index c36cac5348..afdafc7eac 100644 --- a/man3/infnan.3 +++ b/man3/infnan.3 @@ -44,14 +44,19 @@ The .BR infnan () function returns a suitable value for infinity and "not-a-number" (NaN) results. -The value of \fIerror\fP can be ERANGE +The value of \fIerror\fP can be +.B ERANGE to represent infinity or anything else to represent NaN. \fIerrno\fP is also set. .SH "RETURN VALUE" -If \fIerror\fP is ERANGE (Infinity), HUGE_VAL is returned. +If \fIerror\fP is +.B ERANGE +(Infinity), +.B HUGE_VAL +is returned. .PP -If \fIerror\fP is \-ERANGE (\-Infinity), \-HUGE_VAL is returned. +If \fIerror\fP is \-\fBERANGE\fP (\-Infinity), \-\fBHUGE_VAL\fP is returned. .PP If \fIerror\fP is anything else, NAN is returned. .SH ERRORS diff --git a/man3/sqrt.3 b/man3/sqrt.3 index 38a8767d95..be8b62bab7 100644 --- a/man3/sqrt.3 +++ b/man3/sqrt.3 @@ -46,7 +46,9 @@ Link with \fI-lm\fP. The .BR sqrt () function returns the non-negative square root of \fIx\fP. -It fails and sets \fIerrno\fP to EDOM, if \fIx\fP is negative. +It fails and sets \fIerrno\fP to +.BR EDOM , +if \fIx\fP is negative. .SH ERRORS .TP .B EDOM diff --git a/man3/strtoul.3 b/man3/strtoul.3 index dac282622f..470d0220bf 100644 --- a/man3/strtoul.3 +++ b/man3/strtoul.3 @@ -103,11 +103,16 @@ conversion represented as an unsigned value, unless the original (non-negated) value would overflow; in the latter case, .BR strtoul () -returns ULONG_MAX and sets the global -variable \fIerrno\fP to ERANGE. +returns +.B ULONG_MAX +and sets the global variable \fIerrno\fP to +.BR ERANGE . Precisely the same holds for .BR strtoull () -(with ULLONG_MAX instead of ULONG_MAX). +(with +.B ULLONG_MAX +instead of +.BR ULONG_MAX ). .SH ERRORS .TP .B EINVAL @@ -129,7 +134,10 @@ to C99 and POSIX.1-2001. .SH NOTES Since .BR strtoul () -can legitimately return 0 or LONG_MAX (LLONG_MAX for +can legitimately return 0 or +.B LONG_MAX +.RB ( LLONG_MAX +for .BR strtoull ()) on both success and failure, the calling program should set .I errno |