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Diffstat (limited to 'usr.sbin/makefs/cd9660.c')
-rw-r--r--usr.sbin/makefs/cd9660.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/usr.sbin/makefs/cd9660.c b/usr.sbin/makefs/cd9660.c
index 44af984..b9e800d 100644
--- a/usr.sbin/makefs/cd9660.c
+++ b/usr.sbin/makefs/cd9660.c
@@ -1627,7 +1627,7 @@ cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file)
int extlen = 0;
int found_ext = 0;
- while (*oldname != '\0') {
+ while (*oldname != '\0' && extlen < 3) {
/* Handle period first, as it is special */
if (*oldname == '.') {
if (found_ext) {
@@ -1644,10 +1644,8 @@ cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file)
*oldname == ',' && strlen(oldname) == 4)
break;
/* Enforce 12.3 / 8 */
- if (((namelen == 8) && !found_ext) ||
- (found_ext && extlen == 3)) {
+ if (namelen == 8 && !found_ext)
break;
- }
if (islower((unsigned char)*oldname))
*newname++ = toupper((unsigned char)*oldname);
@@ -1690,7 +1688,7 @@ cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file)
int extlen = 0;
int found_ext = 0;
- while (*oldname != '\0') {
+ while (*oldname != '\0' && namelen + extlen < 30) {
/* Handle period first, as it is special */
if (*oldname == '.') {
if (found_ext) {
@@ -1710,8 +1708,6 @@ cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file)
if (diskStructure.archimedes_enabled &&
*oldname == ',' && strlen(oldname) == 4)
break;
- if ((namelen + extlen) == 30)
- break;
if (islower((unsigned char)*oldname))
*newname++ = toupper((unsigned char)*oldname);
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