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for links, treat "" the same as unset.

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This commit is contained in:
Michael Davidsaver
2023-03-06 14:43:31 +00:00
parent d3f93746a8
commit 3b484f58d3
1 changed files with 3 additions and 3 deletions
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6
modules/database/src/ioc/db/dbConstLink.c
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@@ -154,7 +154,7 @@ static long dbConstLoadScalar(struct link *plink, short dbrType, void *pbuffer)
const char *pstr = plink->value.constantStr;
size_t len;
if (!pstr)
if (!pstr || !pstr[0])
return S_db_badField;
len = strlen(pstr);
@@ -181,7 +181,7 @@ static long dbConstLoadLS(struct link *plink, char *pbuffer, epicsUInt32 size,
const char *pstr = plink->value.constantStr;
long status;
if (!pstr)
if (!pstr || !pstr[0])
return S_db_badField;
status = dbLSConvertJSON(pstr, pbuffer, size, plen);
@@ -197,7 +197,7 @@ static long dbConstLoadArray(struct link *plink, short dbrType, void *pbuffer,
const char *pstr = plink->value.constantStr;
long status;
if (!pstr)
if (!pstr || !pstr[0])
return S_db_badField;
/* Choice values must be numeric */