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libctools: Commit

This library contains code that extends and simplifies different operations
for C language based programs.

test_os_io: Fixed crash

diff -r daf7012d56a8 -r a102e98f1741 src/os/io.c

--- a/src/os/io.c Mon Aug 29 23:24:02 2022 +0300

+++ b/src/os/io.c Mon Aug 29 23:24:33 2022 +0300

		@@ -132,7 +132,9 @@
132	132	CT_CHECK_PTR_AND_BREAK(name);
133	133
134	134	// fopenWrapper() do the same things, that's why it's not used here
135		- file = fopen(name, "br");
	135	+
	136	+ // MSVC++: First mode character must be 'r', 'w' or 'a'
	137	+ file = fopen(name, "rb");
136	138	if (!file)
137	139	{
138	140	CT_TRACE_ERRORC("fopen() failed");

diff -r daf7012d56a8 -r a102e98f1741 src/std/stdio.c

--- a/src/std/stdio.c Mon Aug 29 23:24:02 2022 +0300

+++ b/src/std/stdio.c Mon Aug 29 23:24:33 2022 +0300

		@@ -63,6 +63,11 @@
63	63	CT_CHECK_PTR_AND_BREAK(path);
64	64	CT_CHECK_PTR_AND_BREAK(mode);
65	65
	66	+#if defined(CT_OS_WINDOWS)
	67	+ if (!(mode[0] == 'a' \|\| mode[0] == 'r' \|\| mode[0] == 'w'))
	68	+ CT_TRACE_ERRORN('Invalid first mode characted: %c', mode[0]);
	69	+#endif
	70	+
66	71	fopenResult = fopen(path, mode);
67	72	if (!fopenResult)
68	73	CT_TRACE_ERRORC("fopen() for \"%s\" with mode=\"%s\" failed", path, mode);