/*
* Select the appropriate protocol for the URL scheme, and return the
* size of the document referenced by the URL if it exists.
*/
int
fetchStat(struct url *URL, struct url_stat *us, const char *flags)
{
if (us != NULL) {
us->size = -1;
us->atime = us->mtime = 0;
}
if (strcasecmp(URL->scheme, SCHEME_FILE) == 0)
return (fetchStatFile(URL, us, flags));
else if (strcasecmp(URL->scheme, SCHEME_FTP) == 0)
return (fetchStatFTP(URL, us, flags));
else if (strcasecmp(URL->scheme, SCHEME_HTTP) == 0)
return (fetchStatHTTP(URL, us, flags));
else if (strcasecmp(URL->scheme, SCHEME_HTTPS) == 0)
return (fetchStatHTTP(URL, us, flags));
url_seterr(URL_BAD_SCHEME);
return (-1);
}
FILE *
fetchXGetFile(struct url *u, struct url_stat *us, const char *flags)
{
FILE *f;
if (us && fetchStatFile(u, us, flags) == -1)
return (NULL);
f = fopen(u->doc, "r");
if (f == NULL)
fetch_syserr();
if (u->offset && fseeko(f, u->offset, SEEK_SET) == -1) {
fclose(f);
fetch_syserr();
}
return (f);
}
