| #!/bin/sh |
| |
| # chkfmt |
| # |
| # COPYRIGHT: Written by John Cunningham Bowler, 2010. |
| # To the extent possible under law, the author has waived all copyright and |
| # related or neighboring rights to this work. This work is published from: |
| # United States. |
| # |
| # Check the format of the source files in the current directory - checks for a |
| # line length of 80 characters max and no tab characters. |
| # |
| # Optionally arguments are files or directories to check. |
| # |
| # -v: output the long lines (makes fixing them easier) |
| # -e: spawn an editor for each file that needs a change ($EDITOR must be |
| # defined). When using -e the script MUST be run from an interactive |
| # command line. |
| verbose= |
| edit= |
| vers= |
| test "$1" = "-v" && { |
| shift |
| verbose=yes |
| } |
| test "$1" = "-e" && { |
| shift |
| if test -n "$EDITOR" |
| then |
| edit=yes |
| |
| # Copy the standard streams for the editor |
| exec 3>&0 4>&1 5>&2 |
| else |
| echo "chkfmt -e: EDITOR must be defined" >&2 |
| exit 1 |
| fi |
| } |
| |
| # Function to edit a single file - if the file isn't changed ask the user |
| # whether or not to continue. This stuff only works if the script is run from |
| # the command line (otherwise, don't specify -e or you will be sorry). |
| doed(){ |
| cp "$file" "$file".orig |
| "$EDITOR" "$file" 0>&3 1>&4 2>&5 3>&- 4>&- 5>&- || exit 1 |
| if cmp -s "$file".orig "$file" |
| then |
| rm "$file".orig |
| echo -n "$file: file not changed, type anything to continue: " >&5 |
| read ans 0>&3 |
| test -n "$ans" || return 1 |
| fi |
| return 0 |
| } |
| |
| # In beta versions the version string which appears in files can be a little |
| # long and cause spuriously overlong lines. To avoid this subtitute the version |
| # string with a 'standard' version a.b.cc before checking for long lines. |
| if test -r png.h |
| then |
| vers="`sed -n -e \ |
| 's/^#define PNG_LIBPNG_VER_STRING .\([0-9]\.[0-9]\.[0-9][0-9a-z]*\).$/\1/p' \ |
| png.h`" |
| echo "chkfmt: checking version $vers" |
| fi |
| if test -z "$vers" |
| then |
| echo "chkfmt: png.h not found, ignoring version number" >&2 |
| fi |
| |
| test -n "$1" || set -- . |
| find "$@" \( -type d \( -name '.git' -o -name '.libs' -o -name 'projects' \) \ |
| -prune \) -o \( -type f \ |
| ! -name '*.[oa]' ! -name '*.l[oa]' ! -name '*.png' ! -name '*.out' \ |
| ! -name '*.jpg' ! -name '*.patch' ! -name '*.obj' ! -name '*.exe' \ |
| ! -name '*.com' ! -name '*.tar.*' ! -name '*.zip' ! -name '*.ico' \ |
| ! -name '*.res' ! -name '*.rc' ! -name '*.mms' ! -name '*.rej' \ |
| ! -name '*.dsp' ! -name '*.orig' ! -name '*.dfn' ! -name '*.swp' \ |
| ! -name '~*' ! -name '*.3' \ |
| ! -name 'missing' ! -name 'mkinstalldirs' ! -name 'depcomp' \ |
| ! -name 'aclocal.m4' ! -name 'install-sh' ! -name 'Makefile.in' \ |
| ! -name 'ltmain.sh' ! -name 'config*' -print \) | { |
| st=0 |
| while read file |
| do |
| case "$file" in |
| *.mak|*[Mm]akefile.*|*[Mm]akefile) |
| # Makefiles require tabs, dependency lines can be this long. |
| check_tabs= |
| line_length=100;; |
| *.awk) |
| # Includes literal tabs |
| check_tabs= |
| # The following is arbitrary |
| line_length=132;; |
| *contrib/*/*.[ch]) |
| check_tabs=yes |
| line_length=96;; |
| *) |
| check_tabs=yes |
| line_length=80;; |
| esac |
| |
| # Note that vers can only contain 0-9, . and a-z |
| if test -n "$vers" |
| then |
| sed -e "s/$vers/a.b.cc/g" "$file" >"$file".$$ |
| else |
| cp "$file" "$file".$$ |
| fi |
| splt="`fold -$line_length "$file".$$ | diff -c "$file".$$ -`" |
| rm "$file".$$ |
| |
| if test -n "$splt" |
| then |
| echo "$file: lines too long" |
| st=1 |
| if test -n "$EDITOR" -a -n "$edit" |
| then |
| doed "$file" || exit 1 |
| elif test -n "$verbose" |
| then |
| echo "$splt" |
| fi |
| fi |
| if test -n "$check_tabs" |
| then |
| tab="`tr -c -d '\t' <"$file"`" |
| if test -n "$tab" |
| then |
| echo "$file: file contains tab characters" |
| st=1 |
| if test -n "$EDITOR" -a -n "$edit" |
| then |
| doed "$file" || exit 1 |
| elif test -n "$verbose" |
| then |
| echo "$splt" |
| fi |
| fi |
| fi |
| done |
| exit $st |
| } |