diff options
| author | Homer Hsing <homer.xing@intel.com> | 2012-09-20 14:04:20 +0800 |
|---|---|---|
| committer | Xiang, Haihao <haihao.xiang@intel.com> | 2012-09-28 04:05:59 -0400 |
| commit | 66a0038e8a0ef1d248ff21b6852ad782799d5e14 (patch) | |
| tree | bad3fee9e557f6175c85ab00012a1ad97857e3bc | |
| parent | 4d8bc5d8551b16e0ac7fd8e5b47aac4c33e424fc (diff) | |
Fix memory leaking in the parser
STRING has been malloc'ed by strdup in src/lex.l but forgotten to
be freed in src/gram.y.
| -rw-r--r-- | src/gram.y | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -257,10 +257,11 @@ declare_pragma: DECLARE_PRAGMA STRING declare_base declare_elementsize declare_s defined = (reg = find_register($2)) != NULL; if (defined) { fprintf(stderr, "WARNING: %s already defined\n", $2); + free($2); // $2 has been malloc'ed by strdup } else { reg = calloc(sizeof(struct declared_register), 1); + reg->name = $2; } - reg->name = $2; reg->base.reg_file = $3.reg_file; reg->base.reg_nr = $3.reg_nr; reg->base.subreg_nr = $3.subreg_nr; @@ -1504,6 +1505,7 @@ symbol_reg: STRING %prec STR_SYMBOL_REG } memcpy(&$$, dcl_reg, sizeof(*dcl_reg)); + free($1); // $1 has been malloc'ed by strdup } | symbol_reg_p { @@ -1522,6 +1524,7 @@ symbol_reg_p: STRING LPAREN exp RPAREN memcpy(&$$, dcl_reg, sizeof(*dcl_reg)); $$.base.reg_nr += $3; + free($1); } | STRING LPAREN exp COMMA exp RPAREN { @@ -1537,6 +1540,7 @@ symbol_reg_p: STRING LPAREN exp RPAREN $$.base.subreg_nr += $5; $$.base.reg_nr += $$.base.subreg_nr / (32 / get_type_size(dcl_reg->type)); $$.base.subreg_nr = $$.base.subreg_nr % (32 / get_type_size(dcl_reg->type)); + free($1); } ; /* Returns a partially complete destination register consisting of the |