/**
* ModuleUsage will take an argument for the specified
* module and print out help information on the topic.
* information is stored in a written file in the location
* in Macro EMAIL_DIR. and also specified with EMAIL_HELP_FILE
*/
static void
moduleUsage(const char *module)
{
FILE *help=NULL;
short found=0;
char *moduleptr=NULL;
dstrbuf *buf = DSB_NEW;
dstrbuf *help_file = expandPath(EMAIL_HELP_FILE);
if (!(help = fopen(help_file->str, "r"))) {
fatal("Could not open help file: %s", help_file->str);
dsbDestroy(help_file);
properExit(ERROR);
}
dsbDestroy(help_file);
while (!feof(help)) {
dsbReadline(buf, help);
if ((buf->str[0] == '#') || (buf->str[0] == '\n')) {
continue;
}
chomp(buf->str);
moduleptr = strtok(buf->str, "|");
if (strcasecmp(moduleptr, module) != 0) {
while ((moduleptr = strtok(NULL, "|")) != NULL) {
if (strcasecmp(moduleptr, module) == 0) {
found = 1;
break;
}
}
} else {
found = 1;
}
if (!found) {
continue;
}
while (!feof(help)) {
dsbReadline(buf, help);
if (!strcmp(buf->str, "EOH\n")) {
break;
}
printf("%s", buf->str);
}
break;
}
if (feof(help)) {
printf("There is no help in the module: %s\n", module);
usage();
}
dsbDestroy(buf);
fclose(help);
exit(0);
}
dstrbuf *
mimeFiletype(const char *filename)
{
bool found=false;
int i=0, veclen=0;
dstrbuf *type=NULL;
dstrbuf *buf=DSB_NEW;
dvector vec=NULL;
const char *ext=NULL;
dstrbuf *filen=NULL;
FILE *file = fopen(MAGIC_FILE, "r");
if (!file) {
goto exit;
}
filen = mimeFilename(filename);
ext = strrchr(filen->str, '.');
/* If we don't know the extension, we don't know what type
* of file it's going to be. Therefore, skip all of this. */
if (!ext) {
goto exit;
}
/* Get past . in extension name. */
ext++;
while (!feof(file)) {
dsbReadline(buf, file);
if (buf->str[0] == '#' || buf->str[0] == '\n') {
continue;
}
chomp(buf->str);
/* If we still have an allocated type, free it */
if (type) {
dsbDestroy(type);
}
type = getMimeType(buf->str);
if (type->len == 0) {
continue;
}
vec = explode(buf->str, " \t");
veclen = dvLength(vec);
/* Start i at 1 since the first element in the
* vector is the mime type. The exts are after that. */
for (i=1; i < veclen; i++) {
if (strcmp((char *)vec[i], ext) == 0) {
found = true;
break;
}
}
dvDestroy(vec);
if (found) {
/* Found it! */
break;
}
}
exit:
dsbDestroy(filen);
dsbDestroy(buf);
if (file) {
fclose(file);
}
if (!type || type->len == 0) {
type = DSB_NEW;
dsbCopy(type, "application/unknown");
}
return type;
}