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docs: Clarify, not every function that returns int returns -1 for errors.
[libguestfs.git]
/
src
/
guestfs.pod
diff --git
a/src/guestfs.pod
b/src/guestfs.pod
index
da03128
..
dd06880
100644
(file)
--- a/
src/guestfs.pod
+++ b/
src/guestfs.pod
@@
-877,8
+877,8
@@
This closes the connection handle and frees up all resources used.
=head1 ERROR HANDLING
=head1 ERROR HANDLING
-The convention in all functions that return C<int> is that they return
-C<-1> to indicate an error.
+API functions can return errors. For example, almost all functions
+
that return C<int> will return
C<-1> to indicate an error.
Additional information is available for errors: an error message
string and optionally an error number (errno) if the thing that failed
Additional information is available for errors: an error message
string and optionally an error number (errno) if the thing that failed