1.\" # 2.\" # Copyright (c) 2014, Juniper Networks, Inc. 3.\" # All rights reserved. 4.\" # This SOFTWARE is licensed under the LICENSE provided in the 5.\" # ../Copyright file. By downloading, installing, copying, or 6.\" # using the SOFTWARE, you agree to be bound by the terms of that 7.\" # LICENSE. 8.\" # Phil Shafer, July 2014 9.\" 10.Dd December 4, 2014 11.Dt XOLINT 1 12.Os 13.Sh NAME 14.Nm xolint 15.Nd detect errors in programs using 16.Xr xo_emit 3 17.Sh SYNOPSIS 18.Nm xolint 19.Op Fl c 20.Op Fl "C <flags>" 21.Op Fl "d" 22.Op Fl "D" 23.Op Fl "I" 24.Op Fl "p" 25.Op Fl "V" 26.Op Fl "X" 27.Op Ar files... 28.Sh DESCRIPTION 29.Nm 30is a tool for reporting common mistakes in format strings 31in source code that invokes 32.Xr xo_emit 3 . 33It allows these errors 34to be diagnosed at build time, rather than waiting until runtime. 35.Pp 36.Nm 37takes one or more C files as arguments, and reports 38error, warning, or informational messages as needed. 39.Bl -tag -width "C <flags>" 40.It Fl c 41Invoke 'cpp' against the input file 42.It Fl "C <flags>" 43Flags that are passed to 'cpp' 44.It Fl "d" 45Enable debug output 46.It Fl "D" 47Generate documentation for all 48.Nm 49messages 50.It Fl "I" 51Generate a table of 52.Dv xo_info_t 53structures. 54.It Fl "p" 55Print the offending lines after the error message is displayed 56.It Fl "V" 57Do not report errors, but instead print a complete list of 58all field names, sorted alphabetically. 59The output can help spot 60inconsistencies and spelling errors. 61.It Fl "X" 62Extract samples from 63.Nm , 64suitable for internal testing. 65.El 66.Pp 67The output message contains the source filename and line number, the 68class of the message, the message, and, if 69.Fl p 70is given, the 71line that contains the error: 72.Bd -literal -offset indent 73 % xolint -t xolint.c 74 xolint.c: 16: error: anchor format should be "%d" 75 16 xo_emit("{[:/%s}"); 76.Ed 77.Sh SEE ALSO 78.Xr libxo 3 , 79.Xr xo_emit 3 80