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From Martin Kaiser: 

CID 280531: "Argument cannot be negative" in lemon
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7453

svn path=/trunk/; revision=43619
This commit is contained in:
Anders Broman 2012-07-09 02:24:07 +00:00
parent e0d9282f86
commit 80aba5ebf7
1 changed files with 6 additions and 3 deletions
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9
tools/lemon/lemon.c
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@ -2570,8 +2570,11 @@ void Parse(struct lemon *gp)
gp->errorcnt++;
return;
}
fseek(fp,0,2);
filesize = ftell(fp);
if ( fseek(fp,0,SEEK_END)!=0 || (filesize = ftell(fp))<0 ) {
ErrorMsg(ps.filename,0,"Can't determine the file size.");
gp->errorcnt++;
return;
}
rewind(fp);
/* XXX - what if filesize is bigger than the maximum size_t value? */
filebuf = (char *)malloc( filesize+1 );
@ -2582,7 +2585,7 @@ void Parse(struct lemon *gp)
gp->errorcnt++;
return;
}
if( fread(filebuf,1,filesize,fp)!=(size_t)filesize ){
if( fread(filebuf,1,(size_t)filesize,fp)!=(size_t)filesize ){
ErrorMsg(ps.filename,0,"Can't read in all %ld bytes of this file.",
filesize);
free(filebuf);