1*2175Sjp161948=pod 2*2175Sjp161948 3*2175Sjp161948=head1 NAME 4*2175Sjp161948 5*2175Sjp161948ERR_set_mark, ERR_pop_to_mark - set marks and pop errors until mark 6*2175Sjp161948 7*2175Sjp161948=head1 SYNOPSIS 8*2175Sjp161948 9*2175Sjp161948 #include <openssl/err.h> 10*2175Sjp161948 11*2175Sjp161948 int ERR_set_mark(void); 12*2175Sjp161948 13*2175Sjp161948 int ERR_pop_to_mark(void); 14*2175Sjp161948 15*2175Sjp161948=head1 DESCRIPTION 16*2175Sjp161948 17*2175Sjp161948ERR_set_mark() sets a mark on the current topmost error record if there 18*2175Sjp161948is one. 19*2175Sjp161948 20*2175Sjp161948ERR_pop_to_mark() will pop the top of the error stack until a mark is found. 21*2175Sjp161948The mark is then removed. If there is no mark, the whole stack is removed. 22*2175Sjp161948 23*2175Sjp161948=head1 RETURN VALUES 24*2175Sjp161948 25*2175Sjp161948ERR_set_mark() returns 0 if the error stack is empty, otherwise 1. 26*2175Sjp161948 27*2175Sjp161948ERR_pop_to_mark() returns 0 if there was no mark in the error stack, which 28*2175Sjp161948implies that the stack became empty, otherwise 1. 29*2175Sjp161948 30*2175Sjp161948=head1 SEE ALSO 31*2175Sjp161948 32*2175Sjp161948L<err(3)|err(3)> 33*2175Sjp161948 34*2175Sjp161948=head1 HISTORY 35*2175Sjp161948 36*2175Sjp161948ERR_set_mark() and ERR_pop_to_mark() were added in OpenSSL 0.9.8. 37*2175Sjp161948 38*2175Sjp161948=cut 39