#include "bsdtar_platform.h"
__FBSDID("$FreeBSD: src/usr.bin/tar/siginfo.c,v 1.2 2008/05/22 21:08:36 cperciva Exp $");
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bsdtar.h"
static volatile sig_atomic_t siginfo_received = 0;
struct siginfo_data {
char * oper;
char * path;
int64_t size;
#ifdef SIGINFO
void (*siginfo_old)(int);
#endif
void (*sigusr1_old)(int);
};
static void siginfo_handler(int sig);
static void
siginfo_handler(int sig)
{
(void)sig;
siginfo_received = 1;
}
void
siginfo_init(struct bsdtar *bsdtar)
{
if ((bsdtar->siginfo = malloc(sizeof(struct siginfo_data))) == NULL)
bsdtar_errc(bsdtar, 1, errno, "malloc failed");
bsdtar->siginfo->path = bsdtar->siginfo->oper = NULL;
#ifdef SIGINFO
bsdtar->siginfo->siginfo_old = signal(SIGINFO, siginfo_handler);
#endif
bsdtar->siginfo->sigusr1_old = signal(SIGUSR1, siginfo_handler);
}
void
siginfo_setinfo(struct bsdtar *bsdtar, const char * oper, const char * path,
int64_t size)
{
free(bsdtar->siginfo->oper);
free(bsdtar->siginfo->path);
if ((bsdtar->siginfo->oper = strdup(oper)) == NULL)
bsdtar_errc(bsdtar, 1, errno, "Cannot strdup");
if ((bsdtar->siginfo->path = strdup(path)) == NULL)
bsdtar_errc(bsdtar, 1, errno, "Cannot strdup");
bsdtar->siginfo->size = size;
}
void
siginfo_printinfo(struct bsdtar *bsdtar, off_t progress)
{
if ((siginfo_received == 1) &&
(bsdtar->siginfo->path != NULL) &&
(bsdtar->siginfo->oper != NULL)) {
if (bsdtar->verbose)
fprintf(stderr, "\n");
if (bsdtar->siginfo->size > 0) {
safe_fprintf(stderr, "%s %s (%ju / %" PRId64 ")",
bsdtar->siginfo->oper, bsdtar->siginfo->path,
(uintmax_t)progress, bsdtar->siginfo->size);
} else {
safe_fprintf(stderr, "%s %s",
bsdtar->siginfo->oper, bsdtar->siginfo->path);
}
if (!bsdtar->verbose)
fprintf(stderr, "\n");
siginfo_received = 0;
}
}
void
siginfo_done(struct bsdtar *bsdtar)
{
#ifdef SIGINFO
signal(SIGINFO, bsdtar->siginfo->siginfo_old);
#endif
signal(SIGUSR1, bsdtar->siginfo->sigusr1_old);
free(bsdtar->siginfo->path);
free(bsdtar->siginfo->oper);
free(bsdtar->siginfo);
}