Attachment 310032 Details for Bug 452469 – new patch to sanity check line numbers

new patch to sanity check line numbers

cscope.patch (text/x-patch), 1.15 KB, created by Neil Horman on 2008-06-23 14:33:07 UTC

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Creator: Neil Horman

Created: 2008-06-23 14:33:07 UTC

Size: 1.15 KB

patch

obsolete

>diff -up cscope-15.5/src/crossref.c.orig cscope-15.5/src/crossref.c
>--- cscope-15.5/src/crossref.c.orig	2008-06-23 10:24:33.000000000 -0400
>+++ cscope-15.5/src/crossref.c	2008-06-23 10:31:10.000000000 -0400
>@@ -69,6 +69,7 @@ long	npostings;		/* number of postings *
> int	nsrcoffset;             /* number of file name database offsets */
> long	*srcoffset;             /* source file name database offsets */
> int	symbols;		/* number of symbols */
>+int	max_lineno = 0;		/* Maximum supported line number size */
> 
> static	char	*filename;	/* file name for warning messages */
> static	long	fcnoffset;	/* function name database offset */
>@@ -95,6 +96,10 @@ crossref(char *srcfile)
> 	int	token;			/* current token */
> 	struct stat st;
> 
>+	max_lineno = 1;
>+	for (i=0;i<NUMLEN;i++)
>+		max_lineno *= 10;
>+
> 	filename = srcfile;
> 	putfilename(srcfile);   /* output the file name */
> 	dbputc('\n');
>@@ -242,6 +247,9 @@ putcrossref(void)
> 	int	symput = 0;	/* symbols output */
> 	int	type;
> 
>+	if (lineno >= max_lineno)
>+		warning("Detected line numbers outside of supported range\n");
>+
> 	/* output the source line */
> 	lineoffset = dboffset;
> 	dboffset += fprintf(newrefs, "%d ", lineno);

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Attachments on bug 452469: 310022 | 310032