From 63144be7eae8757b0e0d81ff6fa8adb0b26ff7c1 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 26 Jun 2010 04:00:52 +0200 Subject: universal parser: do not leak parser->data Signed-off-by: Denys Vlasenko --- libbb/parse_config.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/libbb/parse_config.c b/libbb/parse_config.c index c511d97fb..b7c3a00e0 100644 --- a/libbb/parse_config.c +++ b/libbb/parse_config.c @@ -128,8 +128,8 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const int ntokens, mintokens; int t, len; - ntokens = flags & 0xFF; - mintokens = (flags & 0xFF00) >> 8; + ntokens = (uint8_t)flags; + mintokens = (uint8_t)(flags >> 8); if (parser == NULL) return 0; @@ -159,7 +159,8 @@ again: parser->data = xstrdup(line); /* Tokenize the line */ - for (t = 0; *line && *line != delims[0] && t < ntokens; t++) { + t = 0; + do { /* Pin token */ tokens[t] = line; @@ -179,10 +180,10 @@ again: } /* Token not terminated? */ - if (line[0] == delims[0]) + if (*line == delims[0]) *line = '\0'; - else if (line[0] != '\0') - *(line++) = '\0'; + else if (*line != '\0') + *line++ = '\0'; #if 0 /* unused so far */ if (flags & PARSE_ESCAPE) { @@ -201,17 +202,20 @@ again: *to = '\0'; } #endif - /* Skip possible delimiters */ if (flags & PARSE_COLLAPSE) line += strspn(line, delims + 1); - } + + t++; + } while (*line && *line != delims[0] && t < ntokens); if (t < mintokens) { bb_error_msg("bad line %u: %d tokens found, %d needed", parser->lineno, t, mintokens); if (flags & PARSE_MIN_DIE) xfunc_die(); + if (flags & PARSE_KEEP_COPY) + free(parser->data); goto again; } -- cgit v1.2.3