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dbStatic: Fix invalid memory read

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This commit is contained in:
Andrew Johnson
2015-07-30 11:57:50 -05:00
parent c56091978c
commit 9014ca899d
1 changed files with 8 additions and 3 deletions
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11
src/dbStatic/dbStaticLib.c
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@@ -1375,14 +1375,19 @@ long epicsShareAPI dbGetAttributePart(DBENTRY *pdbentry, const char **ppname)
const char *pname = *ppname;
dbRecordAttribute *pattribute;
if (!precordType) return S_dbLib_recordTypeNotFound;
if (!precordType)
return S_dbLib_recordTypeNotFound;
pattribute = (dbRecordAttribute *)ellFirst(&precordType->attributeList);
while (pattribute) {
int nameLen = strlen(pattribute->name);
int compare = strncmp(pattribute->name, pname, nameLen);
int ch = pname[nameLen];
if (compare == 0) {
if (!(ch == '_' || isalnum(ch))) {
int ch = pname[nameLen];
if (ch != '_' && !isalnum(ch)) {
/* Any other character can't be in the attribute name */
pdbentry->pflddes = pattribute->pdbFldDes;
pdbentry->pfield = pattribute->value;
*ppname = &pname[nameLen];