Replaced some large local variables by other means in libburn/sg-libcdio.c
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@ -1 +1 @@
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#define Cdrskin_timestamP "2011.06.02.083808"
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#define Cdrskin_timestamP "2011.06.02.132554"
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@ -1,7 +1,7 @@
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
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/*
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Copyright (c) 2010 Thomas Schmitt <scdbackup@gmx.net>
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Copyright (c) 2009 - 2011 Thomas Schmitt <scdbackup@gmx.net>
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Provided under GPL version 2 or later.
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*/
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@ -168,6 +168,7 @@ Send feedback to libburn-hackers@pykix.org .
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#include "debug.h"
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#include "toc.h"
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#include "util.h"
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#include "init.h"
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#include "libdax_msgs.h"
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extern struct libdax_msgs *libdax_messenger;
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@ -429,17 +430,18 @@ int sg_dispose_drive(struct burn_drive *d, int flag)
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int sg_give_next_adr(burn_drive_enumerator_t *idx,
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char adr[], int adr_size, int initialize)
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{
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int ret, recursion_count = 0;
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char path[4096];
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int ret, recursion_count = 0, path_size = 4096;
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char *path = NULL;
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#ifdef Libburn_is_on_solariS
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int l;
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#endif
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BURN_ALLOC_MEM(path, char, path_size);
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ret = sg_give_next_adr_raw(idx, adr, adr_size, initialize);
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if (ret <= 0)
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return ret;
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if (strlen(adr) >= sizeof(path))
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return ret;
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goto ex;
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if (strlen(adr) >= path_size)
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goto ex;
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#ifdef Libburn_is_on_solariS
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/* >>> provisory : preserve Solaris /dev/rdsk/cXtYdZs2 addresses */
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@ -447,13 +449,16 @@ int sg_give_next_adr(burn_drive_enumerator_t *idx,
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if (l >= 18)
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if (strncmp(adr, "/dev/rdsk/c", 11) == 0 && adr[11] >= '0' &&
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adr[11] <= '9' && strcmp(adr + (l - 2), "s2") == 0)
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return 1;
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{ret = 1; goto ex;}
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#endif /* Libburn_is_on_solariS */
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ret = burn_drive_resolve_link(adr, path, &recursion_count, 2);
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if(ret > 0 && strlen(path) < adr_size)
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strcpy(path, adr);
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return (ret >= 0);
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ret = (ret >= 0);
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ex:
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BURN_FREE_MEM(path);
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return ret;
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}
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@ -465,13 +470,17 @@ int scsi_enumerate_drives(void)
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burn_drive_enumerator_t idx;
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int initialize = 1, ret, i_bus_no = -1, recursion_count = 0;
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int i_host_no = -1, i_channel_no = -1, i_target_no = -1, i_lun_no = -1;
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char buf[4096], target[4096];
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int buf_size = 4096;
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char *buf = NULL, *target = NULL;
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#ifdef Libburn_is_on_solariS
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int l;
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#endif
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BURN_ALLOC_MEM(buf, char, buf_size);
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BURN_ALLOC_MEM(target, char, buf_size);
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while(1) {
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ret = sg_give_next_adr_raw(&idx, buf, sizeof(buf), initialize);
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ret = sg_give_next_adr_raw(&idx, buf, buf_size, initialize);
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initialize = 0;
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if (ret <= 0)
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break;
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@ -501,8 +510,12 @@ int scsi_enumerate_drives(void)
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i_bus_no, i_host_no, i_channel_no,
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i_target_no, i_lun_no);
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}
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sg_give_next_adr(&idx, buf, sizeof(buf), -1);
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return 1;
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sg_give_next_adr(&idx, buf, buf_size, -1);
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ret = 1;
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ex:;
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BURN_FREE_MEM(buf);
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BURN_FREE_MEM(target);
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return ret;
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}
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@ -526,12 +539,12 @@ int sg_drive_is_open(struct burn_drive * d)
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int sg_grab(struct burn_drive *d)
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{
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CdIo_t *p_cdio;
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char *am_eff, msg[4096], *am_wanted;
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int os_errno, second_try = 0;
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char *am_eff, *msg = NULL, *am_wanted;
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int os_errno, second_try = 0, ret;
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if (d->p_cdio != NULL) {
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d->released = 0;
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return 1;
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{ret = 1; goto ex;}
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}
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if (d->libcdio_name[0] == 0) /* just to be sure it is initialized */
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strcpy(d->libcdio_name, d->devname);
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@ -539,13 +552,14 @@ int sg_grab(struct burn_drive *d)
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try_to_open:;
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p_cdio = cdio_open_am(d->libcdio_name, DRIVER_DEVICE, am_wanted);
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if (p_cdio == NULL) {
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BURN_ALLOC_MEM(msg, char, 4096);
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os_errno = errno;
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sprintf(msg, "Could not grab drive '%s'", d->devname);
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libdax_msgs_submit(libdax_messenger, d->global_index,
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0x00020003,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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msg, os_errno, 0);
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return 0;
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{ret = 0; goto ex;}
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}
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am_eff = (char *) cdio_get_arg(p_cdio, "access-mode");
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if (strncmp(am_eff, "MMC_RDWR", 8) != 0) {
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@ -560,12 +574,15 @@ try_to_open:;
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0x00020003,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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"libcdio provides no MMC_RDWR access mode", 0, 0);
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return 0;
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{ret = 0; goto ex;}
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}
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d->p_cdio = p_cdio;
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d->released = 0;
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return 1;
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ret = 1;
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ex:;
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BURN_FREE_MEM(msg);
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return ret;
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}
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@ -842,10 +859,12 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
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struct statvfs vfsbuf;
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#endif
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char testpath[4096], *cpt;
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char *testpath = NULL, *cpt;
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long blocks;
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off_t add_size = 0;
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int ret;
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BURN_ALLOC_MEM(testpath, char, 4096);
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testpath[0] = 0;
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blocks = *bytes / 512;
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if (stat(path, &stbuf) == -1) {
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@ -858,7 +877,7 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
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else
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*cpt = 0;
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if (stat(testpath, &stbuf) == -1)
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return -1;
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{ret = -1; goto ex;}
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#ifdef __linux
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@ -868,11 +887,11 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
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fd = open(path, open_mode);
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if (fd == -1)
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return -2;
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{ret = -2; goto ex;}
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ret = ioctl(fd, BLKGETSIZE, &blocks);
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close(fd);
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if (ret == -1)
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return -2;
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{ret = -2; goto ex;}
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*bytes = ((off_t) blocks) * (off_t) 512;
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#endif /* __linux */
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@ -884,11 +903,11 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
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fd = open(path, O_RDONLY);
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if (fd == -1)
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return -2;
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{ret = -2; goto ex;}
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ret = ioctl(fd, DIOCGMEDIASIZE, &add_size);
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close(fd);
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if (ret == -1)
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return -2;
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{ret = -2; goto ex;}
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*bytes = add_size;
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#endif /* Libburn_is_on_freebsD */
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@ -900,12 +919,12 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
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fd = open(path, open_mode);
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if (fd == -1)
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return -2;
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{ret = -2; goto ex;}
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*bytes = lseek(fd, 0, SEEK_END);
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close(fd);
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if (*bytes == -1) {
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*bytes = 0;
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return 0;
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{ret = 0; goto ex;}
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}
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#endif /* Libburn_is_on_solariS */
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@ -914,25 +933,28 @@ int burn_os_stdio_capacity(char *path, off_t *bytes)
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add_size = stbuf.st_blocks * (off_t) 512;
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strcpy(testpath, path);
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} else
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return 0;
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{ret = 0; goto ex;}
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if (testpath[0]) {
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#ifdef Libburn_os_has_statvfS
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if (statvfs(testpath, &vfsbuf) == -1)
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return -2;
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{ret = -2; goto ex;}
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*bytes = add_size + ((off_t) vfsbuf.f_frsize) *
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(off_t) vfsbuf.f_bavail;
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#else /* Libburn_os_has_statvfS */
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return 0;
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{ret = 0; goto ex;}
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#endif /* ! Libburn_os_has_stavtfS */
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}
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return 1;
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ret = 1;
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ex:;
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BURN_FREE_MEM(testpath);
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return ret;
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}
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