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Fixed a wrong read access to memory. Reported by valgrind of lian jianfei,

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This commit is contained in:
Thomas Schmitt 2014-07-14 18:02:14 +00:00
parent 193c2b14d5
commit f4a49078c8
2 changed files with 14 additions and 17 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2014.06.28.062807"
#define Cdrskin_timestamP "2014.07.14.180122"

29
libburn/drive.c
View File

@ -1197,24 +1197,21 @@ void burn_drive_cancel(struct burn_drive *d)
}
static void strip_spaces(char *str)
static void strip_spaces(char *str, size_t len)
{
char *tmp;
char *tmp, *tmp2;
tmp = str + strlen(str) - 1;
while (isspace(*tmp))
*(tmp--) = '\0';
tmp = str;
while (*tmp) {
/* Remove trailing blanks */
for (tmp = str + len - 1; tmp >= str && (isspace(*tmp) || !*tmp); tmp--)
*tmp = 0;
/* Condense remaining blank intervals to single blanks */
for (tmp = str; tmp < str + len - 1 && *tmp; tmp++) {
if (isspace(*tmp) && isspace(*(tmp + 1))) {
char *tmp2;
for (tmp2 = tmp + 1; *tmp2; ++tmp2)
for (tmp2 = tmp + 1; tmp2 < str + len && *tmp2; tmp2++)
*(tmp2 - 1) = *tmp2;
*(tmp2 - 1) = '\0';
} else
++tmp;
tmp--; /* try same first blank again */
}
}
}
@ -1236,11 +1233,11 @@ static int drive_getcaps(struct burn_drive *d, struct burn_drive_info *out)
id = (struct burn_scsi_inquiry_data *)d->idata;
memcpy(out->vendor, id->vendor, sizeof(id->vendor));
strip_spaces(out->vendor);
strip_spaces(out->vendor, sizeof(id->vendor));
memcpy(out->product, id->product, sizeof(id->product));
strip_spaces(out->product);
strip_spaces(out->product, sizeof(id->product));
memcpy(out->revision, id->revision, sizeof(id->revision));
strip_spaces(out->revision);
strip_spaces(out->revision, sizeof(id->revision));
strncpy(out->location, d->devname, 16);
out->location[16] = '\0';