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Replaced some large local variables by other means in libburn/write.c

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This commit is contained in:
Thomas Schmitt 2011-06-08 20:04:28 +00:00
parent 70b66e9b58
commit 2e8c7f0753
2 changed files with 50 additions and 44 deletions
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2
libburn/trunk/cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2011.06.08.181204"
#define Cdrskin_timestamP "2011.06.08.200329"

90
libburn/trunk/libburn/write.c
View File

@ -999,7 +999,7 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
{
enum burn_write_types wt;
struct burn_drive *d = o->drive;
char msg[160], *reason_pt;
char *msg = NULL, *reason_pt;
int no_media = 0;
reason_pt= reasons;
@ -1056,13 +1056,18 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
strcat(reasons, "write start address not supported, ");
} else {
unsuitable_profile:;
sprintf(msg, "Unsuitable media detected. Profile %4.4Xh %s",
msg = calloc(1, 160);
if (msg != NULL && !silent) {
sprintf(msg,
"Unsuitable media detected. Profile %4.4Xh %s",
d->current_profile, d->current_profile_text);
if (!silent)
libdax_msgs_submit(libdax_messenger, d->global_index,
0x0002011e,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
}
if (msg != NULL)
free(msg);
strcat(reasons, "no suitable media profile detected, ");
return 0;
}
@ -1092,10 +1097,11 @@ int burn_disc_open_track_dvd_minus_r(struct burn_write_opts *o,
struct burn_session *s, int tnum)
{
struct burn_drive *d = o->drive;
char msg[160];
char *msg = NULL;
int ret, lba, nwa;
off_t size;
BURN_ALLOC_MEM(msg, char, 160);
d->send_write_parameters(d, o);
ret = d->get_nwa(d, -1, &lba, &nwa);
sprintf(msg,
@ -1137,10 +1143,13 @@ int burn_disc_open_track_dvd_minus_r(struct burn_write_opts *o,
0x00020138,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
return 0;
{ret = 0; goto ex;}
}
}
return 1;
ret = 1;
ex:;
BURN_FREE_MEM(msg);
return ret;
}
@ -1149,10 +1158,11 @@ int burn_disc_open_track_dvd_plus_r(struct burn_write_opts *o,
struct burn_session *s, int tnum)
{
struct burn_drive *d = o->drive;
char msg[160];
char *msg;
int ret, lba, nwa;
off_t size;
BURN_ALLOC_MEM(msg, char, 160);
ret = d->get_nwa(d, -1, &lba, &nwa);
sprintf(msg,
"DVD+R pre-track %2.2d : get_nwa(%d), ret= %d , d->nwa= %d",
@ -1183,10 +1193,13 @@ int burn_disc_open_track_dvd_plus_r(struct burn_write_opts *o,
0x00020138,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
return 0;
{ret = 0; goto ex;}
}
}
return 1;
ret = 1;
ex:;
BURN_FREE_MEM(msg);
return ret;
}
@ -1440,20 +1453,6 @@ int burn_dvd_write_track(struct burn_write_opts *o,
sectors = burn_track_get_sectors(t);
open_ended = burn_track_is_open_ended(t);
/* <<< */
{
char msg[160];
sprintf(msg,
"DVD pre-track %2.2d : demand=%.f%s, cap=%.f\n",
tnum+1, (double) sectors * 2048.0,
(open_ended ? " (open ended)" : ""),
(double) d->media_capacity_remaining);
libdax_msgs_submit(libdax_messenger, d->global_index, 0x000002,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
msg, 0, 0);
}
/* (offset padding is done within sector_data()) */
@ -1744,7 +1743,7 @@ int burn_disc_setup_dvd_minus_rw(struct burn_write_opts *o,
struct burn_disc *disc)
{
struct burn_drive *d = o->drive;
char msg[160];
char msg[60];
int ret;
d->nwa = 0;
@ -1827,8 +1826,9 @@ int burn_dvd_write_sync(struct burn_write_opts *o,
off_t default_size = 0;
struct burn_drive *d = o->drive;
struct burn_track *t;
char msg[160];
char *msg = NULL;
BURN_ALLOC_MEM(msg, char, 160);
d->needs_close_session = 0;
/* buffer flush trigger for sector.c:get_sector() */
@ -2019,9 +2019,10 @@ ex:;
0x0002017b, LIBDAX_MSGS_SEV_WARNING,
LIBDAX_MSGS_PRIO_ZERO, msg, 0, 0);
}
BURN_FREE_MEM(msg);
return ret;
early_failure:;
BURN_FREE_MEM(msg);
return 0;
}
@ -2040,7 +2041,7 @@ int burn_stdio_open_write(struct burn_drive *d, off_t start_byte,
int fd = -1;
int mode = O_RDWR | O_CREAT | O_LARGEFILE;
char msg[160];
char msg[60];
off_t lseek_res;
if(d->drive_role == 4) {
@ -2262,15 +2263,15 @@ int burn_stdio_slowdown(struct burn_drive *d, struct timeval *prev_time,
int burn_stdio_write_track(struct burn_write_opts *o, struct burn_session *s,
int tnum, int flag)
{
int open_ended, bufsize, ret, sectors, fd;
int open_ended, bufsize = 16 * 2048, ret, sectors, fd;
struct burn_track *t = s->track[tnum];
struct burn_drive *d = o->drive;
char buf[16*2048];
char *buf = NULL;
int i, prev_sync_sector = 0;
struct buffer *out = d->buffer;
struct timeval prev_time;
bufsize = sizeof(buf);
BURN_ALLOC_MEM(buf, char, bufsize);
fd = d->stdio_fd;
sectors = burn_track_get_sectors(t);
@ -2322,6 +2323,7 @@ ex:;
burn_source_cancel(t->source);
if (t->end_on_premature_eoi == 2)
d->cancel = 1;
BURN_FREE_MEM(buf);
return ret;
}
@ -2652,21 +2654,22 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
{
int alignment = 0, start, upto, chunksize, err, fd = -1, ret;
char msg[81], *rpt;
struct buffer buf, *buffer_mem = d->buffer;
struct buffer *buf = NULL, *buffer_mem = d->buffer;
BURN_ALLOC_MEM(buf, struct buffer, 1);
if (d->released) {
libdax_msgs_submit(libdax_messenger,
d->global_index, 0x00020142,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
"Drive is not grabbed on random access write", 0, 0);
return 0;
{ret = 0; goto ex;}
}
if(d->drive_role == 0) {
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020146,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
"Drive is a virtual placeholder (null-drive)", 0, 0);
return 0;
{ret = 0; goto ex;}
}
if(d->drive_role == 4) {
libdax_msgs_submit(libdax_messenger, d->global_index,
@ -2674,7 +2677,7 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
"Pseudo-drive is a read-only file. Cannot write.",
0, 0);
return 0;
{ret = 0; goto ex;}
}
if(d->drive_role == 2 || d->drive_role == 5)
@ -2693,7 +2696,7 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
0x00020125,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
"Write start address not supported", 0, 0);
return 0;
{ret = 0; goto ex;}
}
if ((byte_address % alignment) != 0) {
sprintf(msg,
@ -2703,7 +2706,7 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
0x00020126,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
return 0;
{ret = 0; goto ex;}
}
if ((data_count % alignment) != 0) {
sprintf(msg,
@ -2713,22 +2716,22 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
0x00020141,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
return 0;
{ret = 0; goto ex;}
}
if (d->busy != BURN_DRIVE_IDLE) {
libdax_msgs_submit(libdax_messenger,
d->global_index, 0x00020140,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
"Drive is busy on attempt to write random access",0,0);
return 0;
{ret = 0; goto ex;}
}
if(d->drive_role != 1) {
fd = burn_stdio_open_write(d, byte_address, 2048, 0);
if (fd == -1)
return 0;
{ret = 0; goto ex;}
}
d->busy = BURN_DRIVE_WRITING_SYNC;
d->buffer = &buf;
d->buffer = buf;
start = byte_address / 2048;
upto = start + data_count / 2048;
@ -2755,7 +2758,7 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
d->busy = BURN_DRIVE_IDLE;
if(fd >= 0)
close(fd);
return (-(start * 2048 - byte_address));
{ret = -(start * 2048 - byte_address); goto ex;}
}
}
@ -2773,7 +2776,10 @@ int burn_random_access_write(struct burn_drive *d, off_t byte_address,
close(fd);
d->buffer = buffer_mem;
d->busy = BURN_DRIVE_IDLE;
return 1;
ret = 1;
ex:
BURN_FREE_MEM(buf);
return ret;
}