Copied from Debian. From c18f27a58792f7fbd0b30a0ff50d6b40a82f940d Mon Sep 17 00:00:00 2001 From: Geoff McLane Date: Wed, 3 Jun 2015 20:26:03 +0200 Subject: [PATCH] Issue #217 - avoid len going negative, ever... --- src/lexer.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/lexer.c b/src/lexer.c index 376a3d8..664f806 100644 --- a/src/lexer.c +++ b/src/lexer.c @@ -3739,16 +3740,17 @@ static tmbstr ParseValue( TidyDocImpl* doc, ctmbstr name, /* and prompts attributes unless --literal-attributes is set to yes */ /* #994841 - Whitespace is removed from value attributes */ - if (munge && + /* Issue #217 - Also only if/while (len > 0) - MUST NEVER GO NEGATIVE! */ + if ((len > 0) && munge && TY_(tmbstrcasecmp)(name, "alt") && TY_(tmbstrcasecmp)(name, "title") && TY_(tmbstrcasecmp)(name, "value") && TY_(tmbstrcasecmp)(name, "prompt")) { - while (TY_(IsWhite)(lexer->lexbuf[start+len-1])) + while (TY_(IsWhite)(lexer->lexbuf[start+len-1]) && (len > 0)) --len; - while (TY_(IsWhite)(lexer->lexbuf[start]) && start < len) + while (TY_(IsWhite)(lexer->lexbuf[start]) && (start < len) && (len > 0)) { ++start; --len; /utils.scm?id=65e1d39f9fca8e560f3dedf01fa33cd251655eef'>diff
path: root/tests/utils.scm
AgeCommit message (Expand)Author
2021-02-03utils: Add string distance....* guix/utils.scm (string-distance): New procedure. (string-closest): New procedure. * tests/utils.scm ("string-distance", "string-closest"): New tests. Signed-off-by: Ludovic Courtès <ludo@gnu.org> zimoun
2021-02-01utils: Add 'version-unique-prefix'....* guix/utils.scm (version-unique-prefix): New procedure. * tests/utils.scm ("version-unique-prefix"): New test. Ludovic Courtès
2021-01-13utils: Support zstd compression via Guile-zstd....* guix/utils.scm (lzip-port): Return a single value. (zstd-port): New procedure. (decompressed-port, compressed-output-port): Add 'zstd' case. * tests/utils.scm (test-compression/decompression): Test 'zstd' when the (zstd) module is available. Ludovic Courtès
2021-01-13utils: Remove 'compressed-output-port'....This procedure was unused except in one test. * guix/utils.scm (compressed-port): Remove. * tests/utils.scm (test-compression/decompression): Rewrite to use 'compressed-output-port' instead. Ludovic Courtès
2020-08-24Use "guile-zlib" and "guile-lzlib" instead of (guix config)....* Makefile.am (MODULES): Remove guix/zlib.scm and guix/lzlib.scm, (SCM_TESTS): remove tests/zlib.scm, tests/lzlib.scm. * build-aux/build-self.scm (make-config.scm): Remove unused %libz variable. * configure.ac: Remove LIBZ and LIBLZ variables and check instead for Guile-zlib and Guile-lzlib. * doc/guix.texi ("Requirements"): Remove zlib requirement and add Guile-zlib and Guile-lzlib instead. * gnu/packages/package-management.scm (guix)[native-inputs]: Add "guile-zlib" and "guile-lzlib", [inputs]: remove "zlib" and "lzlib", [propagated-inputs]: ditto, [arguments]: add "guile-zlib" and "guile-lzlib" to Guile load path. * guix/config.scm.in (%libz, %liblz): Remove them. * guix/lzlib.scm: Remove it. * guix/man-db.scm: Use (zlib) instead of (guix zlib). * guix/profiles.scm (manual-database): Do not stub (guix config) in imported modules list, instead add "guile-zlib" to the extension list. * guix/scripts/publish.scm: Use (zlib) instead of (guix zlib) and (lzlib) instead of (guix lzlib), (string->compression-type, effective-compression): do not check for zlib and lzlib availability. * guix/scripts/substitute.scm (%compression-methods): Do not check for lzlib availability. * guix/self.scm (specification->package): Add "guile-zlib" and "guile-lzlib" and remove "zlib" and "lzlib", (compiled-guix): remove "zlib" and "lzlib" arguments and add guile-zlib and guile-lzlib to the dependencies, also do not pass "zlib" and "lzlib" to "make-config.scm" procedure, (make-config.scm): remove "zlib" and "lzlib" arguments as well as %libz and %liblz variables. * guix/utils.scm (lzip-port): Use (lzlib) instead of (guix lzlib) and do not check for lzlib availability. * guix/zlib.scm: Remove it. * m4/guix.m4 (GUIX_LIBZ_LIBDIR, GUIX_LIBLZ_FILE_NAME): Remove them. * tests/lzlib.scm: Use (zlib) instead of (guix zlib) and (lzlib) instead of (guix lzlib), and do not check for zlib and lzlib availability. * tests/publish.scm: Ditto. * tests/substitute.scm: Do not check for lzlib availability. * tests/utils.scm: Ditto. * tests/zlib.scm: Remove it. Mathieu Othacehe