sysctl: fix file parsing, do not require -w for VAR=VAL

function                                             old     new   delta
sysctl_act_on_setting                                  -     451    +451
sysctl_main                                          222     282     +60
packed_usage                                       31744   31793     +49
config_read                                          604     639     +35
sysctl_act_recursive                                 612     163    -449
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/1 up/down: 595/-449)          Total: 146 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/libbb/parse_config.c b/libbb/parse_config.c
index 307ae2cd2..da7482c6d 100644
--- a/libbb/parse_config.c
+++ b/libbb/parse_config.c
@@ -201,10 +201,10 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const
                 /* Combine remaining arguments? */
                 if ((t != (ntokens-1)) || !(flags & PARSE_GREEDY)) {
                         /* Vanilla token, find next delimiter */
-                        line += strcspn(line, delims[0] ? delims : delims + 1);
+                        line += strcspn(line, (delims[0] && (flags & PARSE_EOL_COMMENTS)) ? delims : delims + 1);
                 } else {
                         /* Combining, find comment char if any */
-                        line = strchrnul(line, PARSE_EOL_COMMENTS ? delims[0] : '\0');
+                        line = strchrnul(line, (flags & PARSE_EOL_COMMENTS) ? delims[0] : '\0');
 
                         /* Trim any extra delimiters from the end */
                         if (flags & PARSE_TRIM) {
@@ -214,10 +214,10 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const
                 }
 
                 /* Token not terminated? */
-                if (*line == delims[0])
-                        *line = '\0';
+                if ((flags & PARSE_EOL_COMMENTS) && *line == delims[0])
+                        *line = '\0'; /* ends with comment char: this line is done */
                 else if (*line != '\0')
-                        *line++ = '\0';
+                        *line++ = '\0'; /* token is done, continue parsing line */
 
 #if 0 /* unused so far */
                 if (flags & PARSE_ESCAPE) {