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| author | Rich Felker <dalias@aerifal.cx> | 2012-05-07 17:43:38 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-05-07 17:43:38 -0400 |
| commit | a5a47783359dff3e583693bcddc1c5e3311d96ac (patch) | |
| tree | bd97502b2fb12bc0ae6f2d603a3f6217a816d76c /src/regex/regcomp.c | |
| parent | d7a90b35b9b5336a3e730e09d56f1c53f4e946ee (diff) | |
| download | musl-a5a47783359dff3e583693bcddc1c5e3311d96ac.tar.gz musl-a5a47783359dff3e583693bcddc1c5e3311d96ac.tar.xz musl-a5a47783359dff3e583693bcddc1c5e3311d96ac.zip | |
fix regex breakage in last commit (failure to handle empty regex, etc.)
Diffstat (limited to 'src/regex/regcomp.c')
| -rw-r--r-- | src/regex/regcomp.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/src/regex/regcomp.c b/src/regex/regcomp.c index fa79e2e5..5f119d17 100644 --- a/src/regex/regcomp.c +++ b/src/regex/regcomp.c @@ -1149,10 +1149,6 @@ tre_parse(tre_parse_ctx_t *ctx) an empty set of `()', a bracket expression, `.', `^', `$', a `\' followed by a character, or a single character. */ - /* End of regexp? (empty string). */ - if (!*ctx->re) - goto parse_literal; - switch (*ctx->re) { case CHAR_LPAREN: /* parenthesized subexpression */ @@ -1394,6 +1390,7 @@ tre_parse(tre_parse_ctx_t *ctx) if (!(ctx->cflags & REG_EXTENDED)) goto parse_literal; + case 0: empty_atom: result = tre_ast_new_literal(ctx->mem, EMPTY, -1, -1); if (!result) |