1 #!/bin/sh 2 # 3 # Check the format of the source files in the current directory - checks for a 4 # line length of 80 characters max and no tab characters. 5 # 6 # Optionally arguments are files or directories to check. 7 # 8 # -v: output the long lines (makes fixing them easier) 9 # -e: spawn an editor for each file that needs a change ($EDITOR must be 10 # defined). When using -e the script MUST be run from an interactive 11 # command line. 12 verbose= 13 edit= 14 vers= 15 test "$1" = "-v" && { 16 shift 17 verbose=yes 18 } 19 test "$1" = "-e" && { 20 shift 21 if test -n "$EDITOR" 22 then 23 edit=yes 24 25 # Copy the standard streams for the editor 26 exec 3>&0 4>&1 5>&2 27 else 28 echo "chkfmt -e: EDITOR must be defined" >&2 29 exit 1 30 fi 31 } 32 33 # Function to edit a single file - if the file isn't changed ask the user 34 # whether or not to continue. This stuff only works if the script is run from 35 # the command line (otherwise, don't specify -e or you will be sorry). 36 doed(){ 37 cp "$file" "$file".orig 38 "$EDITOR" "$file" 0>&3 1>&4 2>&5 3>&- 4>&- 5>&- || exit 1 39 if cmp -s "$file".orig "$file" 40 then 41 rm "$file".orig 42 echo -n "$file: file not changed, type anything to continue: " >&5 43 read ans 0>&3 44 test -n "$ans" || return 1 45 fi 46 return 0 47 } 48 49 # In beta versions the version string which appears in files can be a little 50 # long and cause spuriously overlong lines. To avoid this subtitute the version 51 # string with a 'standard' version a.b.cc before checking for long lines. 52 if test -r png.h 53 then 54 vers="`sed -n -e \ 55 's/^#define PNG_LIBPNG_VER_STRING .\([0-9]\.[0-9]\.[0-9][0-9a-z]*\).$/\1/p' \ 56 png.h`" 57 echo "chkfmt: checking version $vers" 58 fi 59 if test -z "$vers" 60 then 61 echo "chkfmt: png.h not found, ignoring version number" >&2 62 fi 63 64 test -n "$1" || set -- . 65 find "$@" \( -type d \( -name '.git' -o -name '.libs' -o -name 'projects' \) \ 66 -prune \) -o \( -type f \ 67 ! -name '*.[oa]' ! -name '*.l[oa]' ! -name '*.png' ! -name '*.out' \ 68 ! -name '*.jpg' ! -name '*.patch' ! -name '*.obj' ! -name '*.exe' \ 69 ! -name '*.com' ! -name '*.tar.*' ! -name '*.zip' ! -name '*.ico' \ 70 ! -name '*.res' ! -name '*.rc' ! -name '*.mms' ! -name '*.rej' \ 71 ! -name '*.dsp' ! -name '*.orig' ! -name '*.dfn' ! -name '*.swp' \ 72 ! -name '~*' ! -name '*.3' \ 73 ! -name 'missing' ! -name 'mkinstalldirs' ! -name 'depcomp' \ 74 ! -name 'aclocal.m4' ! -name 'install-sh' ! -name 'Makefile.in' \ 75 ! -name 'ltmain.sh' ! -name 'config*' -print \) | { 76 st=0 77 while read file 78 do 79 case "$file" in 80 *.mak|*[Mm]akefile.*|*[Mm]akefile) 81 # Makefiles require tabs, dependency lines can be this long. 82 check_tabs= 83 line_length=100;; 84 *.awk) 85 # Includes literal tabs 86 check_tabs= 87 # The following is arbitrary 88 line_length=132;; 89 *contrib/*/*.[ch]) 90 check_tabs=yes 91 line_length=96;; 92 *) 93 check_tabs=yes 94 line_length=80;; 95 esac 96 97 # Note that vers can only contain 0-9, . and a-z 98 if test -n "$vers" 99 then 100 sed -e "s/$vers/a.b.cc/g" "$file" >"$file".$$ 101 else 102 cp "$file" "$file".$$ 103 fi 104 splt="`fold -$line_length "$file".$$ | diff -c "$file".$$ -`" 105 rm "$file".$$ 106 107 if test -n "$splt" 108 then 109 echo "$file: lines too long" 110 st=1 111 if test -n "$EDITOR" -a -n "$edit" 112 then 113 doed "$file" || exit 1 114 elif test -n "$verbose" 115 then 116 echo "$splt" 117 fi 118 fi 119 if test -n "$check_tabs" 120 then 121 tab="`tr -c -d '\t' <"$file"`" 122 if test -n "$tab" 123 then 124 echo "$file: file contains tab characters" 125 st=1 126 if test -n "$EDITOR" -a -n "$edit" 127 then 128 doed "$file" || exit 1 129 elif test -n "$verbose" 130 then 131 echo "$splt" 132 fi 133 fi 134 fi 135 done 136 exit $st 137 } 138
