source: titan/titan/rcmap.h @ 22550

#ifndef RCMAP_H
#define RCMAP_H

struct rcmap* addrcmap(char *line, int count, struct rcmap* last)
{
        debug(1000, "in");
        struct rcmap *newnode = NULL, *prev = NULL, *node = rcmap;
        char *name = NULL, *key = NULL, *newkey = NULL;
        int ret = 0;

        newnode = (struct rcmap*)calloc(1, sizeof(struct rcmap));
        if(newnode == NULL)
        {
                err("no memory");
                return NULL;
        }

        name = malloc(MINMALLOC);
        if(name == NULL)
        {
                err("no memory");
                free(newnode);
                return NULL;
        }

        key = malloc(MINMALLOC);
        if(key == NULL)
        {
                err("no memory");
                free(newnode);
                free(name);
                return NULL;
        }

        newkey = malloc(MINMALLOC);
        if(newkey == NULL)
        {
                err("no memory");
                free(newnode);
                free(name);
                free(key);
                return NULL;
        }

        ret = sscanf(line, "%[^#]#%[^#]#%[^#]", name, key, newkey);
        if(ret != 3)
        {
                if(count > 0)
                {
                        err("rcmap line %d not ok", count);
                }
                else
                {
                        err("add rcmap");
                }
                free(name);
                free(key);
                free(newkey);
                free(newnode);
                return NULL;
        }

        newnode->name = ostrshrink(name);
        newnode->key = getrcconfigint(key, NULL);
        free(key); key = NULL;
        newnode->newkey = getrcconfigint(newkey, NULL);
        free(newkey); newkey = NULL;

        if(last == NULL)
        {
                while(node != NULL && strcoll(newnode->name, node->name) > 0)
                {
                        prev = node;
                        node = node->next;
                }
        }
        else
        {
                prev = last;
                node = last->next;
        }

        if(prev == NULL)
                rcmap = newnode;
        else
                prev->next = newnode;
        newnode->next = node;

        debug(1000, "out");
        return newnode;
}

int readrcmap(const char* filename)
{
        debug(1000, "in");
        FILE *fd = NULL;
        char *fileline = NULL;
        int linecount = 0, len = 0;
        struct rcmap* last = NULL, *tmplast = NULL;

        fileline = malloc(MINMALLOC);
        if(fileline == NULL)
        {
                err("no memory");
                return 1;
        }

        fd = fopen(filename, "r");
        if(fd == NULL)
        {
                perr("can't open %s", filename);
                free(fileline);
                return 1;
        }

        while(fgets(fileline, MINMALLOC, fd) != NULL)
        {
                if(fileline[0] == '#' || fileline[0] == '\n')
                        continue;
                len = strlen(fileline) - 1;
                if(len >= 0 && fileline[len] == '\n')
                        fileline[len] = '\0';
                len--;
                if(len >= 0 && fileline[len] == '\r')
                        fileline[len] = '\0';

                linecount++;

                if(last == NULL) last = tmplast;
                last = addrcmap(fileline, linecount, last);
                if(last != NULL) tmplast = last;
        }

        free(fileline);
        fclose(fd);
        return 0;
}

void delrcmap(char* name)
{
        debug(1000, "in");
        struct rcmap *node = rcmap, *prev = rcmap;

        while(node != NULL)
        {
                if(ostrcmp(node->name, name) == 0)
                {
                        if(node == rcmap)
                                rcmap = node->next;
                        else
                                prev->next = node->next;

                        free(node->name);
                        node->name = NULL;

                        free(node);
                        node = NULL;
                        break;
                }

                prev = node;
                node = node->next;
        }
        debug(1000, "out");
}

struct rcmap* getrcmap(char* name, int key)
{
        debug(1000, "in");
        struct rcmap *node = rcmap;

        while(node != NULL)
        {
                if(ostrcmp(node->name, name) == 0 && node->key == key)
                {
                        debug(1000, "out");
                        return node;
                }

                node = node->next;
        }
        debug(100, "rcmap not found (name=%s, key=%d)", name, key);
        return NULL;
}

void freercmap()
{
        debug(1000, "in");
        struct rcmap *node = rcmap, *prev = rcmap;

        while(node != NULL)
        {
                prev = node;
                node = node->next;
                if(prev != NULL)
                        delrcmap(prev->name);
        }
        debug(1000, "out");
}

#endif