* Sebastian Hammer, Adam Dickmeiss
*
* $Log: res.c,v $
- * Revision 1.1 1994-08-17 15:34:23 adam
+ * Revision 1.4 1994-08-18 10:02:01 adam
+ * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
+ *
+ * Revision 1.3 1994/08/18 09:43:51 adam
+ * Development of resource manager. Only missing is res_write.
+ *
+ * Revision 1.2 1994/08/18 08:23:26 adam
+ * Res.c now use handles. xmalloc defines xstrdup.
+ *
+ * Revision 1.1 1994/08/17 15:34:23 adam
* Initial version of resource manager.
*
*/
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <util.h>
-struct res {
- char *name;
- char *value;
- struct res *next;
-};
-
-static struct res *first = NULL, *last = NULL;
-static int res_init = 0;
-
-static FILE *fr;
-
-const char *alex_path (const char *name)
-{
- static char path[256];
- char *alex_prefix;
-
- if (!(alex_prefix = getenv ("ALEXPREFIX")))
- alex_prefix = "./";
-
- if (*alex_prefix && alex_prefix[strlen(alex_prefix)-1] == '/')
- sprintf (path, "%s%s", alex_prefix, name);
- else
- sprintf (path, "%s/%s", alex_prefix, name);
- return path;
-}
-
-static void reread (void)
+static void reread (Res r)
{
- struct res *resp;
+ struct res_entry *resp;
char *line;
- char *alex_base;
char *val_buf;
int val_size, val_max = 1024;
char path[256];
char fr_buf[1024];
+ FILE *fr;
- res_init = 1;
+ r->init = 1;
val_buf = xmalloc (val_max);
- if (!(alex_base = getenv ("ALEXBASE")))
- alex_base = "base";
-
- strcpy (path, alex_path(alex_base));
+ strcpy (path, alex_path(r->name));
fr = fopen (path, "r");
if (!fr)
{
- log (LOG_FATAL, "cannot open %s", path);
+ log (LOG_FATAL|LOG_ERRNO, "cannot open %s", path);
exit (1);
}
while (1)
no++;
fr_buf[no] = '\0';
- if (!first)
- resp = last = first = xmalloc (sizeof(*resp));
+ if (!r->first)
+ resp = r->last = r->first = xmalloc (sizeof(*resp));
else
{
resp = xmalloc (sizeof(*resp));
- last->next = resp;
- last = resp;
+ r->last->next = resp;
+ r->last = resp;
}
resp->next = NULL;
resp->name = xmalloc (no+1);
if (no < 0)
continue;
fr_buf[no++] = '\0';
- if (!first)
- resp = last = first = xmalloc (sizeof(*resp));
+ if (!r->first)
+ resp = r->last = r->first = xmalloc (sizeof(*resp));
else
{
resp = xmalloc (sizeof(*resp));
- last->next = resp;
- last = resp;
+ r->last->next = resp;
+ r->last = resp;
}
resp->next = NULL;
resp->name = xmalloc (no);
val_buf[val_size++] = '\0';
resp->value = xmalloc (val_size);
strcpy (resp->value, val_buf);
+ log (LOG_DEBUG, "(name=%s,value=%s)",
+ resp->name, resp->value);
break;
}
else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
no = 0;
}
else
- val_buf[val_size] = fr_buf[no++];
+ val_buf[val_size++] = fr_buf[no++];
}
}
}
fclose (fr);
}
+Res res_open (const char *name)
+{
+ Res r = xmalloc (sizeof(*r));
+ r->init = 0;
+ r->name = xstrdup (name);
+ return r;
+}
-const char *res_get (const char *name)
+void res_close (Res r)
{
- if (!res_init)
- reread ();
- return NULL;
+ if (r->init)
+ {
+ struct res_entry *re, *re1;
+ for (re = r->first; re; re=re1)
+ {
+ if (re->name)
+ xfree (re->name);
+ if (re->value)
+ xfree (re->value);
+ re1 = re->next;
+ xfree (re);
+ }
+ }
+ xfree (r);
}
-const char *res_put (const char *name, const char *value)
+const char *res_get (Res r, const char *name)
{
- if (!res_init)
- reread ();
+ struct res_entry *re;
+ if (!r->init)
+ reread (r);
+
+ for (re = r->first; re; re=re->next)
+ if (re->value && !strcmp (re->name, name))
+ return re->value;
return NULL;
}
-
-int res_write (void)
+
+void res_put (Res r, const char *name, const char *value)
+{
+ struct res_entry *re;
+ if (!r->init)
+ reread (r);
+
+ for (re = r->first; re; re=re->next)
+ if (re->value && !strcmp (re->name, name))
+ {
+ xfree (re->value);
+ re->value = xstrdup (value);
+ return;
+ }
+ if (!r->first)
+ re = r->last = r->first = xmalloc (sizeof(*re));
+ else
+ {
+ re = xmalloc (sizeof(*re));
+ r->last->next = re;
+ r->last = re;
+ }
+ re->next = NULL;
+ re->name = xstrdup (name);
+ re->value = xstrdup (value);
+}
+
+void res_trav (Res r, const char *prefix,
+ void (*f)(const char *name, const char *value))
+{
+ struct res_entry *re;
+ int l = 0;
+
+ if (prefix)
+ l = strlen(prefix);
+ if (!r->init)
+ reread (r);
+ for (re = r->first; re; re=re->next)
+ if (re->value)
+ if (l==0 || !memcmp (re->name, prefix, l))
+ (*f)(re->name, re->value);
+}
+
+
+int res_write (Res r)
{
- if (!res_init)
- reread ();
+ if (!r->init)
+ reread (r);
return 0;
}
projects / idzebra-moved-to-github.git / blobdiff