diff options
Diffstat (limited to 'grammar')
| -rw-r--r-- | grammar/rainerscript.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/grammar/rainerscript.c b/grammar/rainerscript.c index 8a9c9aaa..065e815a 100644 --- a/grammar/rainerscript.c +++ b/grammar/rainerscript.c @@ -1273,8 +1273,12 @@ doFuncCall(struct cnffunc *func, struct var *ret, void* usrptr) estr = var2String(&r[0], &bMustFree); str = (char*) es_str2cstr(estr, NULL); envvar = getenv(str); + if(envvar == NULL) { + ret->d.estr = es_newStr(0); + } else { + ret->d.estr = es_newStrFromCStr(envvar, strlen(envvar)); + } ret->datatype = 'S'; - ret->d.estr = es_newStrFromCStr(envvar, strlen(envvar)); if(bMustFree) es_deleteStr(estr); if(r[0].datatype == 'S') es_deleteStr(r[0].d.estr); free(str); |