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Replaced some large local variables by other means in libburn/sg-freebsd.c

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This commit is contained in:
Thomas Schmitt 2011-05-23 17:39:48 +00:00
parent 806b9602e6
commit 30f3f70dfd
2 changed files with 25 additions and 20 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2011.05.23.163506" #define Cdrskin_timestamP "2011.05.23.174016"

43
libburn/sg-freebsd.c
View File

@ -1,7 +1,7 @@
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */ /* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* /*
Copyright (c) 2006 - 2010 Thomas Schmitt <scdbackup@gmx.net> Copyright (c) 2006 - 2011 Thomas Schmitt <scdbackup@gmx.net>
Provided under GPL version 2 or later. Provided under GPL version 2 or later.
*/ */
@ -54,6 +54,7 @@
#include "debug.h" #include "debug.h"
#include "toc.h" #include "toc.h"
#include "util.h" #include "util.h"
#include "init.h"
#include "libdax_msgs.h" #include "libdax_msgs.h"
extern struct libdax_msgs *libdax_messenger; extern struct libdax_msgs *libdax_messenger;
@ -673,8 +674,9 @@ static int freebsd_dev_lock(int dev_fd, char *devname,
static int sg_lock(struct burn_drive *d, int flag) static int sg_lock(struct burn_drive *d, int flag)
{ {
int ret, os_errno, pass_dev_no = -1, flock_fd = -1; int ret, os_errno, pass_dev_no = -1, flock_fd = -1;
char msg[4096]; char *msg = NULL;
BURN_ALLOC_MEM(msg, char, 4096);
ret = freebsd_dev_lock(d->cam->fd, d->devname, ret = freebsd_dev_lock(d->cam->fd, d->devname,
&os_errno, &pass_dev_no, &flock_fd, msg, 0); &os_errno, &pass_dev_no, &flock_fd, msg, 0);
if (ret <= 0) { if (ret <= 0) {
@ -683,12 +685,15 @@ static int sg_lock(struct burn_drive *d, int flag)
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH, LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
msg, os_errno, 0); msg, os_errno, 0);
sg_close_drive(d); sg_close_drive(d);
return 0; {ret = 0; goto ex;}
} }
if (d->lock_fd > 0) if (d->lock_fd > 0)
close(d->lock_fd); close(d->lock_fd);
d->lock_fd = flock_fd; d->lock_fd = flock_fd;
return 1; ret = 1;
ex:;
BURN_FREE_MEM(msg);
return ret;
} }
@ -762,14 +767,10 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
int done = 0, err, sense_len = 0, ret, ignore_error, no_retry = 0, i; int done = 0, err, sense_len = 0, ret, ignore_error, no_retry = 0, i;
int cam_pass_err_recover = 0, key, asc, ascq, timeout_ms; int cam_pass_err_recover = 0, key, asc, ascq, timeout_ms;
union ccb *ccb; union ccb *ccb;
char buf[161];
static FILE *fp = NULL; static FILE *fp = NULL;
time_t start_time; time_t start_time;
snprintf(buf, sizeof (buf), mmc_function_spy(NULL, "sg_issue_command");
"sg_issue_command d->cam=%p d->released=%d",
(void*)d->cam, d->released);
mmc_function_spy(NULL, buf);
if (d->cam == NULL) { if (d->cam == NULL) {
c->error = 0; c->error = 0;
@ -868,7 +869,7 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
/* ts B00110 */ /* ts B00110 */
/* Better curb sense_len */ /* Better curb sense_len */
sense_len = ccb->csio.sense_len; sense_len = ccb->csio.sense_len;
if (sense_len > sizeof(c->sense)) if (sense_len > (int) sizeof(c->sense))
sense_len = sizeof(c->sense); sense_len = sizeof(c->sense);
memcpy(c->sense, &ccb->csio.sense_data, sense_len); memcpy(c->sense, &ccb->csio.sense_data, sense_len);
spc_decode_sense(c->sense, sense_len, spc_decode_sense(c->sense, sense_len,
@ -1055,11 +1056,12 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
{ {
struct stat stbuf; struct stat stbuf;
struct statvfs vfsbuf; struct statvfs vfsbuf;
char testpath[4096], *cpt; char *testpath = NULL, *cpt;
long blocks; long blocks;
off_t add_size = 0; off_t add_size = 0;
int fd, ret; int fd, ret;
BURN_ALLOC_MEM(testpath, char, 4096);
testpath[0] = 0; testpath[0] = 0;
blocks = *bytes / 512; blocks = *bytes / 512;
if (stat(path, &stbuf) == -1) { if (stat(path, &stbuf) == -1) {
@ -1072,7 +1074,7 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
else else
*cpt = 0; *cpt = 0;
if (stat(testpath, &stbuf) == -1) if (stat(testpath, &stbuf) == -1)
return -1; {ret = -1; goto ex;}
#ifdef Libburn_if_this_was_linuX #ifdef Libburn_if_this_was_linuX
@ -1083,11 +1085,11 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
open_mode |= O_EXCL; open_mode |= O_EXCL;
fd = open(path, open_mode); fd = open(path, open_mode);
if (fd == -1) if (fd == -1)
return -2; {ret = -2; goto ex;}
ret = ioctl(fd, BLKGETSIZE, &blocks); ret = ioctl(fd, BLKGETSIZE, &blocks);
close(fd); close(fd);
if (ret == -1) if (ret == -1)
return -2; {ret = -2; goto ex;}
*bytes = ((off_t) blocks) * (off_t) 512; *bytes = ((off_t) blocks) * (off_t) 512;
#endif /* Libburn_if_this_was_linuX */ #endif /* Libburn_if_this_was_linuX */
@ -1096,25 +1098,28 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
} else if(S_ISCHR(stbuf.st_mode)) { } else if(S_ISCHR(stbuf.st_mode)) {
fd = open(path, O_RDONLY); fd = open(path, O_RDONLY);
if (fd == -1) if (fd == -1)
return -2; {ret = -2; goto ex;}
ret = ioctl(fd, DIOCGMEDIASIZE, &add_size); ret = ioctl(fd, DIOCGMEDIASIZE, &add_size);
close(fd); close(fd);
if (ret == -1) if (ret == -1)
return -2; {ret = -2; goto ex;}
*bytes = add_size; *bytes = add_size;
} else if(S_ISREG(stbuf.st_mode)) { } else if(S_ISREG(stbuf.st_mode)) {
add_size = stbuf.st_blocks * (off_t) 512; add_size = stbuf.st_blocks * (off_t) 512;
strcpy(testpath, path); strcpy(testpath, path);
} else } else
return 0; {ret = 0; goto ex;}
if (testpath[0]) { if (testpath[0]) {
if (statvfs(testpath, &vfsbuf) == -1) if (statvfs(testpath, &vfsbuf) == -1)
return -2; {ret = -2; goto ex;}
*bytes = add_size + ((off_t) vfsbuf.f_frsize) * *bytes = add_size + ((off_t) vfsbuf.f_frsize) *
(off_t) vfsbuf.f_bavail; (off_t) vfsbuf.f_bavail;
} }
return 1; ret = 1;
ex:
BURN_FREE_MEM(testpath);
return ret;
} }