Improved comments on the fuzzcheck.c test program. No changes to code.

FossilOrigin-Name: a7e27d19280048bcfff6d2e796eed72287b9dabe

manifest

@@ -1,5 +1,5 @@
-C Fix\sa\suninitialized\svariable\suse\sin\sthe\scommand-line\sshell\swhen\sthe\n".open"\scommand\sis\sinvoked\swithout\sany\sarguments.
+C Improved\scomments\son\sthe\sfuzzcheck.c\stest\sprogram.\s\sNo\schanges\sto\scode.
-D 2015-06-17T17:08:22.680
+D 2015-06-17T18:24:40.654
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 1063c58075b7400d93326b0eb332b48a54f53025
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -657,7 +657,7 @@ F test/fuzz2.test 76dc35b32b6d6f965259508508abce75a6c4d7e1
 F test/fuzz3.test efd384b896c647b61a2c1848ba70d42aad60a7b3
 F test/fuzz_common.tcl a87dfbb88c2a6b08a38e9a070dabd129e617b45b
 F test/fuzz_malloc.test 328f70aaca63adf29b4c6f06505ed0cf57ca7c26
-F test/fuzzcheck.c a60f926e3fa86c8d33908406d75eec868c22b9ca
+F test/fuzzcheck.c 5805b2236292f8643d56e727a3a6e4d88e0856a5
 F test/fuzzdata1.db b60254eeb6bc11474071b883059662a73c48da7f
 F test/fuzzdata2.db f03a420d3b822cc82e4f894ca957618fbe9c4973
 F test/fuzzdata3.db f4ca6fa92973501cec63ac5d1992ef88f6a78e7f
@@ -1286,7 +1286,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P c89d772628564a808173f6f73bc1798ec714276b
+P fc4f4d1eccec2e09b5d2e6c4da082204f4d5a016
-R 2be138dcb45d5c718e3a818150a1ac69
+R c899e9b20cb2a89272908946dedc2b9a
 U drh
-Z 1c763b619a4c5a5f5f6d672aa5693e42
+Z 2e60edd59a1d27a41fd4904a20b823dc

manifest.uuid

@@ -1 +1 @@
-fc4f4d1eccec2e09b5d2e6c4da082204f4d5a016
+a7e27d19280048bcfff6d2e796eed72287b9dabe

test/fuzzcheck.c

@@ -10,8 +10,8 @@
 **
 *************************************************************************
 **
-** This is a utility program designed to aid running regressions tests
+** This is a utility program designed to aid running regressions tests on
-** on SQLite library using data from an external fuzzer, such as American
+** the SQLite library using data from an external fuzzer, such as American
 ** Fuzzy Lop (AFL) (http://lcamtuf.coredump.cx/afl/).
 **
 ** This program reads content from an SQLite database file with the following
@@ -25,16 +25,44 @@
 **       sqlid INTEGER PRIMARY KEY,   -- SQL script id
 **       sqltext TEXT                 -- Text of SQL statements to run
 **     );
+**     CREATE TABLE IF NOT EXISTS readme(
+**       msg TEXT -- Human-readable description of this test collection
+**     );
 **
 ** For each database file in the DB table, the SQL text in the XSQL table
-** is run against that database.  This program is looking for crashes,
+** is run against that database.  All README.MSG values are printed prior
-** assertion faults, and/or memory leaks.  No attempt is made to verify
+** to the start of the test (unless the --quiet option is used).  If the
-** the output.  The assumption is that either all of the database files
+** DB table is empty, then all entries in XSQL are run against an empty
-** or all of the SQL statements are malformed inputs, generated by a fuzzer,
+** in-memory database.
-** that need to be checked to make sure they do not present a security risk.
+**
+** This program is looking for crashes, assertion faults, and/or memory leaks.
+** No attempt is made to verify the output.  The assumption is that either all
+** of the database files or all of the SQL statements are malformed inputs,
+** generated by a fuzzer, that need to be checked to make sure they do not
+** present a security risk.
 **
 ** This program also includes some command-line options to help with 
-** creation and maintenance of the source content database.
+** creation and maintenance of the source content database.  The command
+**
+**     ./fuzzcheck database.db --load-sql FILE...
+**
+** Loads all FILE... arguments into the XSQL table.  The --load-db option
+** works the same but loads the files into the DB table.  The -m option can
+** be used to initialize the README table.  The "database.db" file is created
+** if it does not previously exist.  Example:
+**
+**     ./fuzzcheck new.db --load-sql *.sql
+**     ./fuzzcheck new.db --load-db *.db
+**     ./fuzzcheck new.db -m 'New test cases'
+**
+** The three commands above will create the "new.db" file and initialize all
+** tables.  Then do "./fuzzcheck new.db" to run the tests.
+**
+** DEBUGGING HINTS:
+**
+** If fuzzcheck does crash, it can be run in the debugger and the content
+** of the global variable g.zTextName[] will identify the specific XSQL and
+** DB values that were running when the crash occurred.
 */
 #include <stdio.h>
 #include <stdlib.h>