Fixed regression caused by switching to the "safe" vsnprintf().

CMakeLists.txt

@@ -14,15 +14,13 @@ if (UNIX)
 endif()
 
 
-#[[
 include(CTest)
 
 if (BUILD_TESTING)
 	file(GLOB examples misc/examples/*.c)
 	foreach (file IN LISTS examples)
 		get_filename_component(name "${file}" NAME_WE)
 		add_executable(${name} ${file})
-		#target_compile_options(${name} PRIVATE "-pthread")
 		target_compile_options(${name} PRIVATE "-DSTC_STATIC")
 		if (CMAKE_THREAD_LIBS_INIT)
 			target_link_libraries(${name} PRIVATE "${CMAKE_THREAD_LIBS_INIT}")
@@ -42,4 +40,4 @@ if (BUILD_TESTING)
 	#	add_test(NAME ${name} COMMAND ${name})
 	# endforeach()
 endif()
-]]
+

include/c11/fmt.h

@@ -228,7 +228,7 @@ FMT_DEF void _fmt_sprint(fmt_stream* ss, const char* fmt, ...) {
         ss->cap = ss->len + ss->cap/2;
         ss->data = (char*)realloc(ss->data, (size_t)ss->cap + 1U);
     }
-    vsnprintf(ss->data + pos, (size_t)n, fmt, args2);
+    vsnprintf(ss->data + pos, (size_t)n+1, fmt, args2);
     done2: va_end(args2);
     done1: va_end(args);
 }

include/stc/priv/cstr_prv.c

@@ -190,7 +190,7 @@ static isize cstr_vfmt(cstr* self, isize start, const char* fmt, va_list args) {
     va_list args2;
     va_copy(args2, args);
     const int n = vsnprintf(NULL, 0ULL, fmt, args);
-    vsnprintf(cstr_reserve(self, start + n) + start, (size_t)n, fmt, args2);
+    vsnprintf(cstr_reserve(self, start + n) + start, (size_t)n+1, fmt, args2);
     va_end(args2);
     _cstr_set_size(self, start + n);
     return n;

misc/tests/run.sh

@@ -3,12 +3,11 @@
 # run tests
 
 cd $(dirname $(realpath $0))
-
-if [ -z "$1" ]; then
-    tcc -Wall -I../../include *_test.c main.c -run
-else
+cc=gcc
+if [ ! -z "$1" ]; then
     cc=$1
-    $cc -O2 -Wall -I../../include *_test.c main.c -o tests.exe
-    ./tests.exe
-    rm -f ./tests.exe
 fi
+
+$cc -O2 -Wall -I../../include *_test.c main.c -o tests.exe -lstc
+./tests.exe
+rm -f ./tests.exe