#include "redis.h"
#include <math.h>
+#include <ctype.h>
robj *createObject(int type, void *ptr) {
robj *o = zmalloc(sizeof(*o));
return o;
}
+/* Note: this function is defined into object.c since here it is where it
+ * belongs but it is actually designed to be used just for INCRBYFLOAT */
+robj *createStringObjectFromLongDouble(long double value) {
+ char buf[256];
+ int len;
+
+ /* We use 17 digits precision since with 128 bit floats that precision
+ * after rouding is able to represent most small decimal numbers in a way
+ * that is "non surprising" for the user (that is, most small decimal
+ * numbers will be represented in a way that when converted back into
+ * a string are exactly the same as what the user typed.) */
+ len = snprintf(buf,sizeof(buf),"%.17Lg", value);
+ return createStringObject(buf,len);
+}
+
robj *dupStringObject(robj *o) {
- redisAssert(o->encoding == REDIS_ENCODING_RAW);
+ redisAssertWithInfo(NULL,o,o->encoding == REDIS_ENCODING_RAW);
return createStringObject(o->ptr,sdslen(o->ptr));
}
}
}
+/* This function set the ref count to zero without freeing the object.
+ * It is useful in order to pass a new object to functions incrementing
+ * the ref count of the received object. Example:
+ *
+ * functionThatWillIncrementRefCount(resetRefCount(CreateObject(...)));
+ *
+ * Otherwise you need to resort to the less elegant pattern:
+ *
+ * *obj = createObject(...);
+ * functionThatWillIncrementRefCount(obj);
+ * decrRefCount(obj);
+ */
+robj *resetRefCount(robj *obj) {
+ obj->refcount = 0;
+ return obj;
+}
+
int checkType(redisClient *c, robj *o, int type) {
if (o->type != type) {
addReply(c,shared.wrongtypeerr);
}
int isObjectRepresentableAsLongLong(robj *o, long long *llval) {
- redisAssert(o->type == REDIS_STRING);
+ redisAssertWithInfo(NULL,o,o->type == REDIS_STRING);
if (o->encoding == REDIS_ENCODING_INT) {
if (llval) *llval = (long) o->ptr;
return REDIS_OK;
if (o->refcount > 1) return o;
/* Currently we try to encode only strings */
- redisAssert(o->type == REDIS_STRING);
+ redisAssertWithInfo(NULL,o,o->type == REDIS_STRING);
/* Check if we can represent this string as a long integer */
if (!string2l(s,sdslen(s),&value)) return o;
* sdscmp() from sds.c will apply memcmp() so this function ca be considered
* binary safe. */
int compareStringObjects(robj *a, robj *b) {
- redisAssert(a->type == REDIS_STRING && b->type == REDIS_STRING);
+ redisAssertWithInfo(NULL,a,a->type == REDIS_STRING && b->type == REDIS_STRING);
char bufa[128], bufb[128], *astr, *bstr;
int bothsds = 1;
}
size_t stringObjectLen(robj *o) {
- redisAssert(o->type == REDIS_STRING);
+ redisAssertWithInfo(NULL,o,o->type == REDIS_STRING);
if (o->encoding == REDIS_ENCODING_RAW) {
return sdslen(o->ptr);
} else {
if (o == NULL) {
value = 0;
} else {
- redisAssert(o->type == REDIS_STRING);
+ redisAssertWithInfo(NULL,o,o->type == REDIS_STRING);
if (o->encoding == REDIS_ENCODING_RAW) {
+ errno = 0;
value = strtod(o->ptr, &eptr);
- if (eptr[0] != '\0' || isnan(value)) return REDIS_ERR;
+ if (isspace(((char*)o->ptr)[0]) || eptr[0] != '\0' ||
+ errno == ERANGE || isnan(value))
+ return REDIS_ERR;
} else if (o->encoding == REDIS_ENCODING_INT) {
value = (long)o->ptr;
} else {
redisPanic("Unknown string encoding");
}
}
-
*target = value;
return REDIS_OK;
}
if (msg != NULL) {
addReplyError(c,(char*)msg);
} else {
- addReplyError(c,"value is not a double");
+ addReplyError(c,"value is not a valid float");
}
return REDIS_ERR;
}
+ *target = value;
+ return REDIS_OK;
+}
+
+int getLongDoubleFromObject(robj *o, long double *target) {
+ long double value;
+ char *eptr;
+ if (o == NULL) {
+ value = 0;
+ } else {
+ redisAssertWithInfo(NULL,o,o->type == REDIS_STRING);
+ if (o->encoding == REDIS_ENCODING_RAW) {
+ errno = 0;
+ value = strtold(o->ptr, &eptr);
+ if (isspace(((char*)o->ptr)[0]) || eptr[0] != '\0' ||
+ errno == ERANGE || isnan(value))
+ return REDIS_ERR;
+ } else if (o->encoding == REDIS_ENCODING_INT) {
+ value = (long)o->ptr;
+ } else {
+ redisPanic("Unknown string encoding");
+ }
+ }
+ *target = value;
+ return REDIS_OK;
+}
+
+int getLongDoubleFromObjectOrReply(redisClient *c, robj *o, long double *target, const char *msg) {
+ long double value;
+ if (getLongDoubleFromObject(o, &value) != REDIS_OK) {
+ if (msg != NULL) {
+ addReplyError(c,(char*)msg);
+ } else {
+ addReplyError(c,"value is not a valid float");
+ }
+ return REDIS_ERR;
+ }
*target = value;
return REDIS_OK;
}
if (o == NULL) {
value = 0;
} else {
- redisAssert(o->type == REDIS_STRING);
+ redisAssertWithInfo(NULL,o,o->type == REDIS_STRING);
if (o->encoding == REDIS_ENCODING_RAW) {
+ errno = 0;
value = strtoll(o->ptr, &eptr, 10);
- if (eptr[0] != '\0') return REDIS_ERR;
- if (errno == ERANGE && (value == LLONG_MIN || value == LLONG_MAX))
+ if (isspace(((char*)o->ptr)[0]) || eptr[0] != '\0' ||
+ errno == ERANGE)
return REDIS_ERR;
} else if (o->encoding == REDIS_ENCODING_INT) {
value = (long)o->ptr;
redisPanic("Unknown string encoding");
}
}
-
if (target) *target = value;
return REDIS_OK;
}
}
return REDIS_ERR;
}
-
*target = value;
return REDIS_OK;
}
}
return REDIS_ERR;
}
-
*target = value;
return REDIS_OK;
}
dictEntry *de;
if ((de = dictFind(c->db->dict,key->ptr)) == NULL) return NULL;
- return (robj*) dictGetEntryVal(de);
+ return (robj*) dictGetVal(de);
}
robj *objectCommandLookupOrReply(redisClient *c, robj *key, robj *reply) {
projects / redis.git / blobdiff