From 378b8cbb7cdc87b85a5b683000b28012eb058d3b Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Wed, 4 Nov 2009 16:38:31 -0500 Subject: [PARSER] Fix syntax array size On Mon, Sep 28, 2009 at 11:00:05AM +0200, Jim Meyering wrote: > A DEL (0177, dec 127) byte in a here-document would cause dash to > access uninitialized memory at the end of one of the syntax.c tables, > since those tables are sized to accommodate a maximum index of > BASESYNTAX + 126. Make the generated tables one byte larger. > printf ':<<\\E\n\200y\nE'|./dash > * src/mksyntax.c (filltable): Use 258, not 257 as the size, > so that BASESYNTAX(=130) + 127 is a valid index. > (print): Likewise. > Don't emit explicit array dimension in declaration. Signed-off-by: Herbert Xu --- src/mksyntax.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/mksyntax.c') diff --git a/src/mksyntax.c b/src/mksyntax.c index 7a8a9ae..a23c18c 100644 --- a/src/mksyntax.c +++ b/src/mksyntax.c @@ -223,7 +223,7 @@ filltable(char *dftval) { int i; - for (i = 0 ; i < 257; i++) + for (i = 0 ; i < 258; i++) syntax[i] = dftval; } @@ -269,9 +269,9 @@ print(char *name) int col; fprintf(hfile, "extern const char %s[];\n", name); - fprintf(cfile, "const char %s[%d] = {\n", name, 257); + fprintf(cfile, "const char %s[] = {\n", name); col = 0; - for (i = 0 ; i < 257; i++) { + for (i = 0 ; i < 258; i++) { if (i == 0) { fputs(" ", cfile); } else if ((i & 03) == 0) { -- cgit 1.4.1