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/* opkg_message.c - the opkg package management system
Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
Copyright (C) 2003 Daniele Nicolodi <daniele@grinta.net>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
*/
#include <stdio.h>
#include "opkg_conf.h"
#include "opkg_message.h"
#include "libbb/libbb.h"
struct errlist {
char *errmsg;
struct errlist *next;
};
static struct errlist *error_list_head, *error_list_tail;
static void
push_error_list(char *msg)
{
struct errlist *e;
e = xcalloc(1, sizeof(struct errlist));
e->errmsg = xstrdup(msg);
e->next = NULL;
if (error_list_head) {
error_list_tail->next = e;
error_list_tail = e;
} else {
error_list_head = error_list_tail = e;
}
}
void
free_error_list(void)
{
struct errlist *err, *err_tmp;
err = error_list_head;
while (err != NULL) {
free(err->errmsg);
err_tmp = err;
err = err->next;
free(err_tmp);
}
}
void
print_error_list(void)
{
struct errlist *err = error_list_head;
if (err) {
printf("Collected errors:\n");
/* Here we print the errors collected and free the list */
while (err != NULL) {
printf(" * %s", err->errmsg);
err = err->next;
}
}
}
void
opkg_message (message_level_t level, const char *fmt, ...)
{
va_list ap;
if (conf->verbosity < level)
return;
if (conf->opkg_vmessage) {
/* Pass the message to libopkg users. */
va_start (ap, fmt);
conf->opkg_vmessage(level, fmt, ap);
va_end (ap);
return;
}
va_start (ap, fmt);
if (level == ERROR) {
#define MSG_LEN 4096
char msg[MSG_LEN];
int ret;
ret = vsnprintf(msg, MSG_LEN, fmt, ap);
if (ret < 0) {
fprintf(stderr, "%s: encountered an output or encoding"
" error during vsnprintf.\n",
__FUNCTION__);
va_end (ap);
exit(EXIT_FAILURE);
}
if (ret >= MSG_LEN) {
fprintf(stderr, "%s: Message truncated.\n",
__FUNCTION__);
}
push_error_list(msg);
} else {
if (vprintf(fmt, ap) < 0) {
fprintf(stderr, "%s: encountered an output or encoding"
" error during vprintf.\n",
__FUNCTION__);
exit(EXIT_FAILURE);
}
}
va_end (ap);
}
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