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mdev: do not treat non-leading '#' chars as start of comment. Closes 4676

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2012-01-11 00:37:17 +01:00
parent 982fdaf4b2
commit 499597d6ef
3 changed files with 6 additions and 4 deletions
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5
include/libbb.h
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@ -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;

2
libbb/parse_config.c
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@ -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) {

3
util-linux/mdev.c
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@ -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] */