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Fix up Cvar_MakeAlias's error checking.

This commit is contained in:
Bill Currie 2011-07-05 20:50:02 +09:00
parent d2894a6f68
commit a7291943f7
2 changed files with 13 additions and 6 deletions
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2
include/QF/cvar.h
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@ -83,7 +83,7 @@ cvar_t *Cvar_Get (const char *name, const char *value, int cvarflags,
cvar_t *Cvar_FindAlias (const char *alias_name);
void Cvar_MakeAlias (const char *name, cvar_t *cvar);
cvar_t *Cvar_MakeAlias (const char *name, cvar_t *cvar);
// equivelants to "<name> <variable>" typed at the console
void Cvar_Set (cvar_t *var, const char *value);

17
libs/util/cvar.c
View File

@ -82,21 +82,27 @@ Cvar_FindAlias (const char *alias_name)
return 0;
}
void
cvar_t *
Cvar_MakeAlias (const char *name, cvar_t *cvar)
{
cvar_alias_t *alias;
cvar_t *var;
if (Cmd_Exists (name)) {
Sys_Printf ("CAlias_Get: %s is a command\n", name);
return;
Sys_Printf ("Cvar_MakeAlias: %s is a command\n", name);
return 0;
}
if (Cvar_FindVar (name)) {
Sys_Printf ("CAlias_Get: tried to alias used cvar name %s\n", name);
return;
Sys_Printf ("Cvar_MakeAlias: %s is a cvar\n",
name);
return 0;
}
var = Cvar_FindAlias (name);
if (var && var != cvar) {
Sys_Printf ("Cvar_MakeAlias: %s is an alias to %s\n",
name, var->name);
return 0;
}
if (!var) {
alias = (cvar_alias_t *) calloc (1, sizeof (cvar_alias_t));
@ -106,6 +112,7 @@ Cvar_MakeAlias (const char *name, cvar_t *cvar)
alias->cvar = cvar;
Hash_Add (calias_hash, alias);
}
return cvar;
}
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