/*****************************************************************************
- * RRDtool 1.0.33 Copyright Tobias Oetiker, 1997 - 2000
+ * RRDtool 1.1.x Copyright Tobias Oetiker, 1997 - 2002
*****************************************************************************
* rrd_cgi.c RRD Web Page Generator
*****************************************************************************/
char* rrdgetenv(long argc, char **args){
if (argc != 1) {
return stralloc("[ERROR: getenv faild because it did not get 1 argument only]");
- };
- return stralloc(getenv(args[0]));
+ }
+ else if (getenv(args[0]) == NULL) {
+ return stralloc("");
+ }
+ else {
+ return stralloc(getenv(args[0]));
+ }
}
char* rrdgoodfor(long argc, char **args){
getP = aLine;
putP = aLine;
while (*getP && !( !Quote && (braket == 0) && ((*getP) == '>'))){
- if (*getP < ' ') *getP = ' '; /*remove all special chars*/
+ if ((unsigned)*getP < ' ') *getP = ' '; /*remove all special chars*/
switch (*getP) {
case ' ':
if (Quote){