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ber_get_next - set errno to 0 before calling ber_int_sb_read(), otherwise

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an EOF will return with the previously set errno value.
This commit is contained in:
Howard Chu 2003-05-20 04:08:35 +00:00
parent 9184d038ea
commit 3d9fd17678
1 changed files with 2 additions and 0 deletions
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2
libraries/liblber/io.c
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@ -515,6 +515,7 @@ ber_get_next(
char buf[sizeof(ber->ber_len)-1];
ber_len_t tlen = 0;
errno = 0;
sblen=ber_int_sb_read( sb, ber->ber_rwptr,
((char *)&ber->ber_len + LENSIZE*2 - 1)-ber->ber_rwptr);
if (sblen<=0) return LBER_DEFAULT;
@ -655,6 +656,7 @@ ber_get_next(
to_go = ber->ber_end - ber->ber_rwptr;
assert( to_go > 0 );
errno = 0;
res = ber_int_sb_read( sb, ber->ber_rwptr, to_go );
if (res<=0) return LBER_DEFAULT;
ber->ber_rwptr+=res;