Module: sip-router Branch: master Commit: cbba772cadfb6cdd79e09db8cb2c36a1fe3dc216 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=cbba772… Author: Andrei Pelinescu-Onciul &lt;andrei(a)iptel.org&gt; Committer: Andrei Pelinescu-Onciul &lt;andrei(a)iptel.org&gt; Date: Fri Apr 24 19:39:51 2009 +0200 core expr: fixes fo RVE_STRLEN/STREMPTY/DEFINED - wrong return fixed - missing fixups added --- rvalue.c | 42 +++++++++++++++++++++++++----------------- 1 files changed, 25 insertions(+), 17 deletions(-) diff --git a/rvalue.c b/rvalue.c index 2179844..800a6b9 100644 --- a/rvalue.c +++ b/rvalue.c @@ -1094,6 +1094,7 @@ inline static int int_strop1(int* res, enum rval_expr_op op, str* s1) break; default: BUG("rv unsupported int_strop1 %d\n", op); + *res=0; return -1; } return 0; @@ -1355,6 +1356,7 @@ error: /** integer operation on rval evaluated as string. * Can use cached rvalues (c1 & c2). + * @param res - will be set to the result * @return 0 success, -1 on error */ inline static int rval_int_strop1(struct run_act_ctx* h, @@ -1375,38 +1377,39 @@ inline static int rval_int_strop1(struct run_act_ctx* h, rval_destroy(rv1); return ret; error: + *res=0; rval_destroy(rv1); - return 0; + return -1; } /** checks if rv is defined. - * @return 1 defined, 0 not defined, -1 on error + * @param res - set to the result 1 - defined, 0 not defined + * @return 0 on success, -1 on error * Can use cached rvalues (c1). * Note: a rv can be undefined if it's an undefined avp or pvar or * if it's NONE */ inline static int rv_defined(struct run_act_ctx* h, - struct sip_msg* msg, + struct sip_msg* msg, int* res, struct rvalue* rv, struct rval_cache* cache) { avp_t* r_avp; int_str avp_val; pv_value_t pval; - int ret; - ret=1; + *res=1; switch(rv->type){ case RV_AVP: if (unlikely(cache && cache->cache_type==RV_CACHE_AVP)){ if (cache->val_type==RV_NONE) - ret=0; + *res=0; }else{ r_avp = search_avp_by_index(rv->v.avps.type, rv->v.avps.name, &avp_val, rv->v.avps.index); if (unlikely(r_avp==0)){ - ret=0; + *res=0; } } break; @@ -1414,42 +1417,44 @@ inline static int rv_defined(struct run_act_ctx* h, /* PV_VAL_NULL or pv_get_spec_value error => undef */ if (unlikely(cache && cache->cache_type==RV_CACHE_PVAR)){ if (cache->val_type==RV_NONE) - ret=0; + *res=0; }else{ memset(&pval, 0, sizeof(pval)); if (likely(pv_get_spec_value(msg, &rv->v.pvs, &pval)==0)){ if ((pval.flags & PV_VAL_NULL) && ! (pval.flags & (PV_VAL_INT|PV_VAL_STR))){ - ret=0; + *res=0; } pv_value_destroy(&pval); }else{ - ret=0; /* in case of error, consider it undef */ + *res=0; /* in case of error, consider it undef */ } } break; case RV_NONE: - ret=0; + *res=0; break; default: break; } - return 1; /* defined */ + return 0; } /** defined (integer) operation on rve. - * @return 1 defined, 0 not defined, -1 on error + * @param res - set to 1 defined, 0 not defined + * @return - 0 on success, -1 on error */ inline static int int_rve_defined(struct run_act_ctx* h, - struct sip_msg* msg, + struct sip_msg* msg, int* res, struct rval_expr* rve) { /* only a rval can be undefined, any expression consisting on more then one rval => defined */ if (likely(rve->op==RVE_RVAL_OP)) - return rv_defined(h, msg, &rve->left.rval, 0); - return 1; + return rv_defined(h, msg, res, &rve->left.rval, 0); + *res=1; + return 0; } @@ -1580,7 +1585,7 @@ int rval_expr_eval_int( struct run_act_ctx* h, struct sip_msg* msg, ret=-1; break; case RVE_DEFINED_OP: - ret=int_rve_defined(h, msg, rve->left.rve); + ret=int_rve_defined(h, msg, res, rve->left.rve); break; case RVE_STRLEN_OP: case RVE_STREMPTY_OP: @@ -2799,6 +2804,9 @@ int fix_rval_expr(void** p) case RVE_UMINUS_OP: /* unary operators */ case RVE_BOOL_OP: case RVE_LNOT_OP: + case RVE_STRLEN_OP: + case RVE_STREMPTY_OP: + case RVE_DEFINED_OP: ret=fix_rval_expr((void**)&rve->left.rve); if (ret<0) return ret; break;