#define MAX_VARLEN 256
+static const char *var_prefix = "";
+static int var_prefix_len = 0;
+
static int add_json_element(const char *key, json_object *obj);
static int add_json_object(json_object *obj)
{
char *keys;
- keys = alloca(strlen(prefix) + sizeof("KEYS_") + 1);
- sprintf(keys, "KEYS_%s", prefix);
+ keys = alloca(var_prefix_len + strlen(prefix) + sizeof("KEYS_") + 1);
+ sprintf(keys, "%sKEYS_%s", var_prefix, prefix);
return getenv(keys);
}
{
char *tmpname, *varname;
- tmpname = alloca(strlen(prefix) + 1 + strlen(*name) + 1 + sizeof("TYPE_"));
- sprintf(tmpname, "TYPE_%s_%s", prefix, *name);
- *var = getenv(tmpname + 5);
+ tmpname = alloca(var_prefix_len + strlen(prefix) + 1 + strlen(*name) + 1 + sizeof("TYPE_"));
+
+ sprintf(tmpname, "%s%s_%s", var_prefix, prefix, *name);
+ *var = getenv(tmpname);
+
+ sprintf(tmpname, "%sTYPE_%s_%s", var_prefix, prefix, *name);
*type = getenv(tmpname);
- memcpy(tmpname, "NAME", 4);
+ sprintf(tmpname, "%sNAME_%s_%s", var_prefix, prefix, *name);
varname = getenv(tmpname);
if (varname)
*name = varname;
bool no_newline = false;
int ch;
- while ((ch = getopt(argc, argv, "nr:w")) != -1) {
+ while ((ch = getopt(argc, argv, "p:nr:w")) != -1) {
switch(ch) {
+ case 'p':
+ var_prefix = optarg;
+ var_prefix_len = strlen(var_prefix);
+ break;
case 'r':
return jshn_parse(optarg);
case 'w':