MySQL embedded server example bug

[Vladimir Espinosa Angarica]

Hi Team:

I've found a bug in the example presented in the Official MySQL
Manual in the section 9.1.15.6 A Simple Embedded Server Example. I tried
to compile the program following the instructions depicted in the manual
and a compiling error arose. The error was:

gcc -g -W -Wall -I/usr/local/mysql/include -D_THREAD_SAFE
-D_REENTRANT -c -o test_libmysqld.o test_libmysqld.c
test_libmysqld.c: In function `db_do_query':
test_libmysqld.c:125: `res' undeclared (first use in this function)
test_libmysqld.c:125: (Each undeclared identifier is reported only once
test_libmysqld.c:125: for each function it appears in.)
make: *** [test_libmysqld.o] Error 1

I came back to the program and I realized that in the function
db_do_query the variable res was declared within the if block, so it's
out of scope when it is called in the statement: line 125:
mysql_free_result(res);
A simple movement of the declaration line to the beginning of the
function solve the problem.

Regards

Vladimir

--
BSc. Vladimir Espinosa Angarica
Researcher
National Bioinformatics Center
Ministry of Science Technology and the Environment
Industria y San José, Habana Vieja
Capitolio Nacional
CUBA
Fax: [phone]
Tel: [phone]
E-mail: ve*******@bioinfo.cu

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