scripts/find_slashes_no_parens.sh

   1 #!/bin/sh
   2 #
   3 # find_slashes_no_parens.sh
   4 #
   5 # Look for function names inside \f[BI]...\f[PB] that aren't
   6 # followed by "()".
   7 #
   8 # This script is designed to help with "by hand" tidy-ups after
   9 # the automated changes made by add_parens_for_own_funcs.sh.
  10 #
  11 # The first argument to this script names a manual page directory where
  12 # 'man2' and 'man3' subdirectories can be found.  The pages names in
  13 # these directories are used to generate a series of regular expressions
  14 # that can be used to search the manual page files that are named in
  15 # the remaining command-line arguments.
  16 #
  17 # Example usage:
  18 #
  19 #    cd man-pages-x.yy
  20 #    sh find_slashes_no_parens.sh . man?/*.? > matches.log
  21
  22 if test $# -lt 2; then
  23     echo "Usage: $0 man-page-root-dir file file..." 1>&2
  24     exit 1
  25 fi
  26
  27 dir=$1
  28
  29 if ! test -d $dir/man2 || ! test -d $dir/man3; then
  30     echo "Can't find man2 and man3 under $dir" 1>&2
  31     exit 1
  32 fi
  33
  34 shift 1
  35
  36 echo "This will probably take a few minutes..." 1>&2
  37
  38 regexp_file=tmp.$0.regexp
  39 rm -f $regexp_file
  40
  41 # We grep out a few page names that are likely to generate false
  42 # positives...
  43
  44 for page in $(
  45
  46         find $dir/man2/* $dir/man3/* -type f -name '*.[23]' |
  47         egrep -v '/(stderr|stdin|stdout|errno|termios|string)\..$'); do
  48
  49     base=$(basename $page | sed -e 's/\.[23]$//')
  50
  51     echo "\\\\f[BI]$base\\\\f[PB][^(]" >> $regexp_file
  52     echo "\\\\f[BI]$base\\\\f[PB]\$" >> $regexp_file
  53 done
  54
  55 sort -o $regexp_file $regexp_file       # Not really needed
  56
  57 echo "Built regexp file; now about to grep..." 1>&2
  58
  59 grep -f $regexp_file $*
  60
  61 rm -f $regexp_file