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authorJannis Hoffmann <jannis@fehcom.de>2024-09-28 21:20:40 +0200
committerJannis Hoffmann <jannis@fehcom.de>2024-09-28 21:33:03 +0200
commit8e7e029114c59341ec793dc9e96ee410a5f37e2b (patch)
treeac196b359c93716158dedd767f425d9e093c9b71 /man/getln.3
parentf9a8fff2f90626aadd915178d04ece49d8c4884a (diff)
update to version 25meson
Diffstat (limited to 'man/getln.3')
-rw-r--r--man/getln.338
1 files changed, 20 insertions, 18 deletions
diff --git a/man/getln.3 b/man/getln.3
index bb4ae7c..01f8b89 100644
--- a/man/getln.3
+++ b/man/getln.3
@@ -4,11 +4,11 @@ getln \ - read one line of data
.SH SYNTAX
.B #include \(dqgetln.h\(dq
-int \fBgetln\fP(&buffer_0,&sa,&match,sep);
+int \fBgetln\fP(&buf,&sa,&match,sep);
.br
-int \fBgetln2\fP(&buffer_0,&sa,&cont,&clen,sep);
+int \fBgetln2\fP(&buf,&sa,&cont,&clen,sep);
-buffer \fIbuffer_0\fR;
+buffer \fIbuf\fR;
.br
stralloc \fIsa\fR;
.br
@@ -22,7 +22,7 @@ unsigned int \fIclen\fR;
.SH DESCRIPTION
.B getln
reads a line of characters, terminated by a sep character, from
-.IR buffer_0 .
+.IR buf .
It returns the line in
.I sa
and sets match to
@@ -39,18 +39,18 @@ and sets match to
.B getln2
reads a line of characters, terminated by a
.I sep
-character, from
-.IR buffer_0 .
+character from
+.IR buf .
The line is returned in two pieces. The first piece is stored in
.IR sa .
The second piece is
.IR cont ,
a pointer to
.I clen
-characters inside the
-.I buffer_0
-buffer. The second piece must be copied somewhere else before
-.I ss
+characters inside
+.IR buf .
+The second piece must be copied somewhere else before
+.I sa
is used again.
If
.B getln2
@@ -64,12 +64,19 @@ and does not set
.IR cont .
It puts the partial line into
.IR sa.
+.SH "BUFFER"
+.I buf
+can be a pre-allocated buffer like
+.I buffer_0
+reading from
+.I STDIN
+or any other explicitly generated buffer on a given file descriptor.
.SH "RETURN CODES"
.B getln
normally returns
.IR 0 .
If it runs out of memory, or encounters an error from
-.IR ss ,
+.IR sa ,
it returns
.IR -1 ,
setting
@@ -80,17 +87,12 @@ appropriately.
normally returns
.IR 0 .
If it runs out of memory, or encounters an error from
-.IR ss ,
+.IR sa ,
it returns
.IR -1 ,
setting
.I errno
appropriately.
-.SH NOTE
-The input buffer
-.I buffer_0
-is already pre-allocated.
-It can be used without initialization as synonym for STDIN.
.SH CREDITS
The
.B getln
@@ -99,4 +101,4 @@ and
man page were taken from Bruce Guenther and
originally published by Dan Bernstein for qmail-1.03.
.SH SEE ALSO
-stralloc(3)
+stralloc(3), buffer(3).