SUN Patch Return Codes

The complete list:
# 0 No error
# 1 Usage error
# 2 Attempt to apply a patch that's already been applied
# 3 Effective UID is not root
# 4 Attempt to save original files failed
# 5 pkgadd failed
# 6 Patch is obsoleted
# 7 Invalid package directory
# 8 Attempting to patch a package that is not installed
# 9 Cannot access /usr/sbin/pkgadd (client problem)
# 10 Package validation errors
# 11 Error adding patch to root template
# 12 Patch script terminated due to signal
# 13 Symbolic link included in patch
# 14 NOT USED
# 15 The prepatch script had a return code other than 0.
# 16 The postpatch script had a return code other than 0.
# 17 Mismatch of the -d option between a previous patch
# install and the current one.
# 18 Not enough space in the file systems that are targets
# of the patch.
# 19 $SOFTINFO/INST_RELEASE file not found
# 20 A direct instance patch was required but not found
# 21 The required patches have not been installed on the manager
# 22 A progressive instance patch was required but not found
# 23 A restricted patch is already applied to the package
# 24 An incompatible patch is applied
# 25 A required patch is not applied
# 26 The user specified backout data can't be found