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Minor style fixes plus a fix for an obscure crash on certain malformed

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mtree files.
This commit is contained in:
Tim Kientzle 2009-12-29 05:52:13 +00:00
parent 7f16f13149
commit 25557ee5f4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=201165
1 changed files with 5 additions and 11 deletions
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16
lib/libarchive/archive_read_support_format_mtree.c
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@ -196,7 +196,7 @@ mtree_bid(struct archive_read *a)
return (-1);
if (strncmp(p, signature, strlen(signature)) == 0)
return (8 * strlen(signature));
return (8 * (int)strlen(signature));
return (0);
}
@ -398,7 +398,6 @@ read_mtree(struct archive_read *a, struct mtree *mtree)
global = NULL;
last_entry = NULL;
r = ARCHIVE_OK;
for (counter = 1; ; ++counter) {
len = readline(a, mtree, &p, 256);
@ -588,8 +587,7 @@ parse_file(struct archive_read *a, struct archive_entry *entry,
if (archive_entry_filetype(entry) == AE_IFREG ||
archive_entry_filetype(entry) == AE_IFDIR) {
mtree->fd = open(path,
O_RDONLY | O_BINARY);
mtree->fd = open(path, O_RDONLY | O_BINARY);
if (mtree->fd == -1 &&
(errno != ENOENT ||
archive_strlen(&mtree->contents_name) > 0)) {
@ -1038,11 +1036,7 @@ parse_escapes(char *src, struct mtree_entry *mentry)
char *dest = src;
char c;
/*
* The current directory is somewhat special, it should be archived
* only once as it will confuse extraction otherwise.
*/
if (strcmp(src, ".") == 0)
if (mentry != NULL && strcmp(src, ".") == 0)
mentry->full = 1;
while (*src != '\0') {
@ -1161,7 +1155,7 @@ mtree_atol10(char **p)
digit = **p - '0';
while (digit >= 0 && digit < base) {
if (l > limit || (l == limit && digit > last_digit_limit)) {
l = UINT64_MAX; /* Truncate on overflow. */
l = INT64_MAX; /* Truncate on overflow. */
break;
}
l = (l * base) + digit;
@ -1202,7 +1196,7 @@ mtree_atol16(char **p)
digit = -1;
while (digit >= 0 && digit < base) {
if (l > limit || (l == limit && digit > last_digit_limit)) {
l = UINT64_MAX; /* Truncate on overflow. */
l = INT64_MAX; /* Truncate on overflow. */
break;
}
l = (l * base) + digit;