From 499597d6efb0de5bb6d6f52bda1f348478d7f5a9 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 11 Jan 2012 00:37:17 +0100 Subject: [PATCH] mdev: do not treat non-leading '#' chars as start of comment. Closes 4676 Signed-off-by: Denys Vlasenko --- include/libbb.h | 5 +++-- libbb/parse_config.c | 2 +- util-linux/mdev.c | 3 ++- 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/include/libbb.h b/include/libbb.h index 0c266dc53..4975b97fe 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1195,13 +1195,14 @@ enum { PARSE_MIN_DIE = 0x00100000, // die if < min tokens found // keep a copy of current line PARSE_KEEP_COPY = 0x00200000 * ENABLE_FEATURE_CROND_D, -// PARSE_ESCAPE = 0x00400000, // process escape sequences in tokens + PARSE_EOL_COMMENTS = 0x00400000, // comments are recognized even if they aren't the first char // NORMAL is: // * remove leading and trailing delimiters and collapse // multiple delimiters into one // * warn and continue if less than mintokens delimiters found // * grab everything into last token - PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY, + // * comments are recognized even if they aren't the first char + PARSE_NORMAL = PARSE_COLLAPSE | PARSE_TRIM | PARSE_GREEDY | PARSE_EOL_COMMENTS, }; typedef struct parser_t { FILE *fp; diff --git a/libbb/parse_config.c b/libbb/parse_config.c index cf5ba4deb..1590d9a4c 100644 --- a/libbb/parse_config.c +++ b/libbb/parse_config.c @@ -204,7 +204,7 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const line += strcspn(line, delims[0] ? delims : delims + 1); } else { /* Combining, find comment char if any */ - line = strchrnul(line, delims[0]); + line = strchrnul(line, PARSE_EOL_COMMENTS ? delims[0] : '\0'); /* Trim any extra delimiters from the end */ if (flags & PARSE_TRIM) { diff --git a/util-linux/mdev.c b/util-linux/mdev.c index c6be1b872..e5f0c2deb 100644 --- a/util-linux/mdev.c +++ b/util-linux/mdev.c @@ -206,7 +206,8 @@ static void parse_next_rule(void) char *tokens[4]; char *val; - if (!config_read(G.parser, tokens, 4, 3, "# \t", PARSE_NORMAL)) + /* No PARSE_EOL_COMMENTS, because command may contain '#' chars */ + if (!config_read(G.parser, tokens, 4, 3, "# \t", PARSE_NORMAL & ~PARSE_EOL_COMMENTS)) break; /* Fields: [-]regex uid:gid mode [alias] [cmd] */ -- 2.25.1