Fix unportable use of isprint(). We must cast the arguments of <ctype.h> functions to unsigned char to avoid problems where char is signed.
Speaking of which, considering that this *is* a <ctype.h> function, it's rather remarkable that we aren't seeing more complaints about not having included that header. Per buildfarm. Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/9e20406dd847d0f8c1cbd803786c6d0ad33bcbdd Modified Files -------------- src/interfaces/libpq/fe-trace.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)