allow full paths for library names in shell script lint
This commit is contained in:
dick
parent
3e18caaab0
commit
20b17c3eb2
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@ -10,11 +10,13 @@ PATH=/bin:/usr/bin
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EMLINT=/home/top/dick/lint
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LPASS1="$EMLINT/lpass1/lnt -Dmc68000" # pass 1 program
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LPASS2="$EMLINT/lpass2/lpass2" # pass 2 program
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LLLIB="$EMLINT/llib" # lint libraries directory
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#LDEFMACH=-Dmc68000
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LINTLIB=${LINTLIB-$LLLIB}
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LPASS1=${LPASS1-"$EMLINT/lpass1/lnt $LDEFMACH"} # pass 1 program
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LPASS2=${LPASS2-"$EMLINT/lpass2/lpass2"} # pass 2 program
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LLIB=${LLIB-"$EMLINT/llib"} # lint libraries directory
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LINTLIB=${LINTLIB-$LLIB}
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TMP=/usr/tmp/lint1.$$
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NEW=/usr/tmp/lint2.$$
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@ -68,7 +70,7 @@ case "$LIBRARY" in
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do
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case $F in
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-l) # do NOT include c.llb
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LIBC=
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LIBC=false
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;;
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-lc) # do include c.llb
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LIBC=true
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@ -100,7 +102,6 @@ case "$LIBRARY" in
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esac
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) |
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sort -u |
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tee /tmp/\#lint.debug |
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( # pass 2: divert messages to avoid interleaving
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$LPASS2 $PARAMS2 2>$TMP
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)
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@ -113,7 +114,7 @@ case "$LIBRARY" in
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?*) # making a lint library
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set -e # stop at first sign of trouble
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case "$LIBRARY" in
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case `basename $LIBRARY` in
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*.llb) # OK
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;;
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*) # no suffix .llb
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@ -2,7 +2,7 @@
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.\" See the copyright notice in the ACK home directory, in the file "Copyright".
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.\"
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.\" $Header$
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.TH LINT 1 88/10/13
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.TH LINT 1 89/10/04
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.SH NAME
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lint \- a C program checker
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.SH SYNOPSIS
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@ -29,7 +29,7 @@ When it detects a doubtful construction
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.PP
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It does a full flow-of-control check, except that
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.BR goto s
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are not followed and that the fact that a function does not return
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are not followed and that the fact that a function never returns
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is not propagated.
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If, however, no
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.BR goto s
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@ -38,16 +38,17 @@ are used, each call of a non-returning function is followed by
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of /*NOTREACHED*/), the initialization state of all local variables will
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be checked correctly.
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.PP
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It checks the types of the arguments implied by the format in a call of
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.I Lint
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checks the types of the arguments implied by the format in a call of
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.IR printf() ,
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.IR scanf()
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and family, if the format-string is a direct argument in the call.
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and family, if the format string is a direct argument in the call.
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Formats of user functions can be indicated using a FORMAT pseudo-comment; see
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below.
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.PP
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.I Libraries
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.PP
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The second command (the
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The second command (using the
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.BR \-L -option)
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is used to maintain lint libraries; these are ASCII files
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that contain the output of the first pass.
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@ -57,7 +58,7 @@ A lint user library can be created and updated by using the
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.B \-L
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option. The
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.I libname
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must be a local file, end in
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end in
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.BR .llb ,
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and can be passed to
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.I lint
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@ -132,11 +133,11 @@ Complain about unused external variables.
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The following pseudo-comments can be used to influence the behaviour of
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.IR lint:
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.TP
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/* ARGSUSED */
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/*\ ARGSUSED\ */
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Do not warn about arguments not used in the next function
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(see also the \-\fBv\fR option).
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.TP
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/* NOTREACHED */
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/*\ NOTREACHED\ */
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This tells
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.I lint
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that the flow of control "cannot reach" this comment.
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@ -144,28 +145,29 @@ This is a way to tell
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.I lint
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that a statement never "returns".
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.TP
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/* LINTLIBRARY */
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The following definitions are assumed to be part of a library.
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/*\ LINTLIBRARY\ */
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The definitions following this pseudo-comment are assumed to be part of a
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library.
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It suppresses complaints about unused functions and variables
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and is used in the creation of lint libraries.
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It implies /* ARGSUSED */.
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It implies /*\ ARGSUSED\ */.
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.TP
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/* VARARGS\fIn\fR */
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/*\ VARARGS\fIn\fR\ */
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The next function can be called with a variable number of
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arguments.
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Only check the types of the first \fIn\fR arguments.
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The \fIn\fR must follow the word VARARGS immediately.
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/* VARARGS0 */ may be abbreviated to /* VARARGS */.
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/*\ VARARGS0\ */ may be abbreviated to /*\ VARARGS\ */.
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.TP
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/* FORMAT\fIn\fR $ ... $ */
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/*\ FORMAT\fIn\fR $ ... $\ */
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The \fIn\fP-th argument (counting from 0) of the next function declaration
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corresponds to a
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.IR printf -like
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format string. Details about the format are given between the $$; see below.
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A missing $$ repeats the latest format.
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The \fIn\fR must follow the word FORMAT immediately.
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/* FORMAT\fIn\fR $ ... $ */ implies /* VARARGS\fIn+1\fP */; if the format
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is followed by more required arguments, a separate /* VARARGS\fIm\fP */
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/*\ FORMAT\fIn\fR $ ... $\ */ implies /*\ VARARGS\fIn+1\fP\ */; if the format
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is followed by more required arguments, a separate /*\ VARARGS\fIm\fP\ */
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must be given after the FORMAT pseudo-comment.
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.IP
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If the printf-like heading also has to conform to some varargs.h convention,
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@ -174,21 +176,27 @@ to the word FORMAT\fIn\fR without intervening space.
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.PP
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.I Formats
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.PP
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.I Lint
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recognizes conversion specifications of the form %[N|*|][.[N|*]]X where X
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is an arbitrary string, given in the $$-part of the FORMAT pseudo-comment.
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The latter consists of a list of format specifications, each of the form
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.IR %X = type ,
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where
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The $$-part of the FORMAT pseudo-comment consists of a list of format
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specifications, each of the form
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.IR %T = type ,
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where
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.I T
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is an arbitrary (short) string and
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.I type
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is the expected type in "C normal form" (like in a cast, with no superfluous
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parentheses and without the use of typedefs).
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parentheses and without the use of typedefs). E.g., %ld=long indicates that
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the format string ld corresponds to a parameter of type long. For a shorter
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notation see the example below.
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.I Lint
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recognizes conversion specifications of the form %[N|*|][.[N|*]]T where N is
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a number, the * is itself and T is a string as defined above. For the above
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example this would include %ld, %5.2ld, %.*ld, etc.
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.PP
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Example: the FORMAT pseudo-comment for
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.I printf()
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is:
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.br
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/* FORMAT0 $
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/*\ FORMAT0 $
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.br
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%[dox] = int %l[dox] = long %[DOX] = long
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.br
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@ -196,9 +204,9 @@ is:
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.br
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%[feg] = double
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.br
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%c = int %s = char *
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%c = int %s = char *
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.br
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$ */
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$\ */
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.PP
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.I Output
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.PP
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@ -210,7 +218,7 @@ through the command
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.br
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where the character between the apostrophes is a space.
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.SH "ENVIRONMENT VARIABLES"
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LINTFLAGS additional flag arguments (e.g. LINTFLAGS=\-h)
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LINTFLAGS additional flag arguments (e.g. LINTFLAGS=\-h)
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.br
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LINTLIB directory in which the standard libraries are looked up
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.SH FILES
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@ -229,8 +237,6 @@ Frans Kunst,
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Conflicting options in the command line are not detected.
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.br
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After a label, all automatic variables are assumed initialized.
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.br
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Initializations hidden inside for statements are sometimes overlooked.
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.SH AUTHOR
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Frans Kunst, Vrije Universiteit, Amsterdam.
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.br
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