ref: e6cc2ec8fd41382f902b00cff71f86fe7b840d77
parent: b74dee60cc45dcfb2c73cb99627e09791762f710
author: phil9 <[email protected]>
date: Wed Mar 23 06:29:23 EDT 2022
code cleanup
--- a/dictc.c
+++ b/dictc.c
@@ -27,8 +27,7 @@
Eeof,
Eunexpected,
Ebadformat,
- Enodb,
- Enostrat,
+ Enoshow,
};
const char* Errors[] = {
@@ -35,8 +34,7 @@
[Eeof] = "no response from server",
[Eunexpected] = "unexpected response from server",
[Ebadformat] = "bad response format",
- [Enodb] = "server does not have any database",
- [Enostrat] = "server doest not have any strategy",
+ [Enoshow] = "show command did not return any result",
};
Dvec*
@@ -120,73 +118,43 @@
return Eok;
}
-int
-showdb(Dictc *c)
+Dvec*
+show(Dictc *c, char *cmd, int ok, int ko, int *err)
{
Response r;
Element *e;
+ Dvec *v;
char *s, *p;
int rc, n, i;
- rc = sendcmd(c, "SHOW DB", &r);
- if(rc != Eok)
- return rc;
- if(r.code == 554)
- return Enodb;
- else if(r.code != 110)
- return Eunexpected;
- n = readstatus(r.msg);
- free(r.msg);
- c->db = mkdvec(n);
- for(i = 0; i < n; i++){
- s = Brdstr(c->bin, '\n', 1);
- if(s == nil)
- return Eeof;
- p = strchr(s, ' ');
- if(p == nil)
- return Ebadformat;
- e = emalloc(sizeof(Element));
- p += 2; /* skip <space>" */
- p[strlen(p) - 2] = 0; /* remove "\r */
- e->desc = strdup(p);
- p -= 2;
- *p = '\0';
- e->name = strdup(s);
- dvadd(c->db, e);
- free(s);
+ rc = sendcmd(c, cmd, &r);
+ if(rc != Eok){
+ *err = rc;
+ return nil;
}
- if((n = expectline(c, ".")) != Eok)
- return n;
- if((n = expectline(c, "250 ok")) != Eok)
- return n;
- return Eok;
-}
-
-int
-showstrat(Dictc *c)
-{
- Response r;
- Element *e;
- char *s, *p;
- int rc, n, i;
-
- rc = sendcmd(c, "SHOW STRAT", &r);
- if(rc != Eok)
- return rc;
- if(r.code == 555)
- return Enostrat;
- else if(r.code != 111)
- return Eunexpected;
+ if(r.code == ko){
+ *err = Enoshow;
+ return nil;
+ }else if(r.code != ok){
+ *err = Eunexpected;
+ return nil;
+ }
n = readstatus(r.msg);
free(r.msg);
- c->strat = mkdvec(n);
+ v = mkdvec(n);
for(i = 0; i < n; i++){
s = Brdstr(c->bin, '\n', 1);
- if(s == nil)
- return Eeof;
+ if(s == nil){
+ *err = Eeof;
+ free(v); /* FIXME: free elts */
+ return nil;
+ }
p = strchr(s, ' ');
- if(p == nil)
- return Ebadformat;
+ if(p == nil){
+ *err = Ebadformat;
+ free(v); /* FIXME: free elts */
+ return nil;
+ }
e = emalloc(sizeof(Element));
p += 2; /* skip <space>" */
p[strlen(p) - 2] = 0; /* remove "\r */
@@ -194,14 +162,21 @@
p -= 2;
*p = '\0';
e->name = strdup(s);
- dvadd(c->strat, e);
+ dvadd(v, e);
free(s);
}
- if((n = expectline(c, ".")) != Eok)
- return n;
- if((n = expectline(c, "250 ok")) != Eok)
- return n;
- return Eok;
+ if((n = expectline(c, ".")) != Eok){
+ *err = n;
+ free(v); /* FIXME: free elts */
+ return nil;
+ }
+ if((n = expectline(c, "250 ok")) != Eok){
+ *err = n;
+ free(v); /* FIXME: free elts */
+ return nil;
+ }
+ *err = Eok;
+ return v;
}
void
@@ -249,13 +224,13 @@
freedictc(c);
return nil;
}
- n = showdb(c);
+ c->db = show(c, "SHOW DB", 110, 554, &n);
if(n != Eok){
werrstr(Errors[n]);
freedictc(c);
return nil;
}
- n = showstrat(c);
+ c->strat = show(c, "SHOW STRAT", 111, 555, &n);
if(n != Eok){
werrstr(Errors[n]);
freedictc(c);