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#include "gup.h"
static int newsgroups_loaded = FALSE;
static void load_newsgroups(void);
/* List out the active file entries that match the pattern */
extern void print_newsgroups(FILE *fp, const char *gname)
{
GROUP *gp;
int glen;
int subflag;
int gcount = 0;
int subcount = 0;
if (!newsgroups_loaded)
load_newsgroups();
/* Print all matching active entries */
fprintf(fp, "\n%-*s Sub Description\n",
GROUP_OVERFLOW_LP, "Name");
fprintf(fp, "%-*s --- ----------------------------------------\n",
GROUP_OVERFLOW_LP, "---------------");
TRAVERSE(active_list, gp) {
if (wildmat(gp->name, gname)) {
gcount++;
subflag = subscribed(group_list, gp->name);
if (subflag)
subcount++;
fputs(gp->name, fp);
/*
* Try and fit the description nicely on the current line.
* Either: groupname DESC
* or: very-long-group-name
* DESC
*/
glen = strlen(gp->name);
if (glen > GROUP_OVERFLOW_LP) {
glen = 0;
putc('\n', fp);
}
glen = (GROUP_OVERFLOW_LP - glen) + 1;
while (glen-- > 0)
putc(' ', fp);
fprintf(fp, "%s %s\n", subflag ? "Yes" : "No ", gp->desc);
}
}
fprintf(fp, "%-*s --- ----------------------------------------\n",
GROUP_OVERFLOW_LP, "---------------");
fprintf(fp, "\nGroups listed: %d, of which you subscribe to %d.\n\n",
gcount, subcount);
}
/* Try and load the newsgroups file and add descriptions to the active */
static void load_newsgroups(void)
{
#ifdef STDIO_LOADFILE
FILE *fp;
char lbuf[MAX_LINE_SIZE];
char *cp;
char *name;
#else
int fd;
struct stat sb;
char *desc;
int length;
#endif
GROUP *gp = NULL;
newsgroups_loaded = TRUE;
if (!newsgroups_path || !*newsgroups_path) {
logit(L_BOTH,
"WARNING: No newsgroups file defined - needed for descriptions");
return;
}
#ifdef STDIO_LOADFILE
if (!(fp = fopen(newsgroups_path, "r"))) {
logit(L_BOTH, "WARNING: Could not open newsgroups file '%s'",
newsgroups_path);
return;
}
while (fgets(lbuf, sizeof(lbuf) - 1, fp)) { /* Load them all up */
lbuf[strlen(lbuf) - 1] = '\0'; /* Zip trailing \n */
/* Crack it into a name and a description */
for (name = lbuf; *name; name++) /* Ignore leading spaces */
if (!isspace(*name))
break;
for (cp = name; *cp; cp++)
if (isspace(*cp)) {
*cp++ = '\0';
break;
}
while (*cp && isspace(*cp))
cp++;
/*
* name points to name and cp points to the description. Find the matching
* active entry. Gen a warning if not found - useful for annoying the
* news admins.
*/
TRAVERSE(active_list, gp) {
if ((strcasecmp(gp->name, name) == 0) && !*gp->desc) {
gp->desc = xstrdup(cp);
break;
}
}
}
fclose(fp);
#else
if ((fd = open(newsgroups_path, O_RDONLY)) < 0) {
logit(L_BOTH, "WARNING: Could not open newsgroups file '%s'",
newsgroups_path);
return;
}
/* see how big it is */
if (fstat(fd, &sb) < 0) {
logit(L_BOTH, "WARNING: Could not stat newsgroups file '%s'",
newsgroups_path);
return;
}
/* grab ourselves a buffer */
desc = malloc(sb.st_size + 1);
if (!desc) {
logit(L_BOTH, "WARNING: Could not malloc space for newsgroups");
return;
}
/* slurp it in */
length = read(fd, desc, (int) sb.st_size);
if (length != sb.st_size) {
logit(L_BOTH, "WARNING: Error reading newsgroups");
return;
}
/* terminate the end */
desc[length] = 0;
/*
* hurl through the newsgroups, assigning descriptions to active_list
* groups as we go
*/
while (*desc) {
char *eoln, *p;
/*
* terminate the end of the description, to prevent anything
* screaming off through the entire file
*/
if ((eoln = strchr(desc, '\n')))
*eoln = 0;
else
logit(L_LOG, "WARNING: premature end of newsgroups file");
/* locate end of group name */
if ((p = strchr(desc, '\t'))) {
*p = 0; /* found it */
while (isspace(*++p)); /* gobble whitespace */
/* check whether there's still a description to add */
if (*p) {
/*
* check if we know about it; first try the current group we're
* up to, to make it fast for sorted active & newsgroups
*/
if (gp && !strcmp(gp->name, desc))
gp->desc = p; /* add description */
else {
TRAVERSE(active_list, gp) {
if (!strcmp(gp->name, desc) && !*gp->desc) {
gp->desc = p; /* OK, we've found it */
/* jump to the next group for next time around */
NEXT(active_list, gp);
break;
}
}
}
}
}
/* advance to next line */
desc = eoln + 1;
}
#endif
}
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