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ci2_mem and basic test

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Randy Jordan
2026-05-12 07:50:58 -05:00
parent f9ee81f3b1
commit 467ec98900
4 changed files with 268 additions and 0 deletions
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1
include/ci2.h
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@@ -25,6 +25,7 @@ SOFTWARE.
#include "ci2_window.h" // Includes base #include "ci2_window.h" // Includes base
#include "ci2_exception.h" #include "ci2_exception.h"
#include "ci2_mem.h"
#endif // ci2.h #endif // ci2.h

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include/ci2_mem.h Normal file
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/* - | Copyright | --------------------------------------------------------------
Copyright (c) 2026 Randy Jordan
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
* --------------------------------------------------------------------------*/
#ifndef CI2_MEM_H
#define CI2_MEM_H
#include "ci2_exception.h" // Exceptions
#include <stddef.h> // size_t
/* General Macros*/
#define CI2_KB(x) ((size_t)(x) * 1024ULL)
#define CI2_MB(x) ((size_t)(x) * 1024ULL * 1024ULL)
#define CI2_GB(x) ((size_t)(x) * 1024ULL * 1024ULL * 1024ULL)
#define CI2_SIZE(x) (ptrdiff_t)sizeof(x)
#define CI2_COUNT(a) (CI2_SIZE(a) / CI2_SIZE(*(a)))
#define CI2_LEN(s) (CI2_COUNT(s) - 1)
extern const CI2_Exception oom; // Out of memory
extern void *ci2_alloc (size_t nbytes,const char *file, int line);
extern void *ci2_calloc(size_t count, size_t nbytes, const char *file, int line);
extern void ci2_free(void *ptr, const char *file, int line);
extern void *ci2_resize(void *ptr, size_t nbytes, const char *file, int line);
#define CI2_ALLOC(nbytes) ci2_alloc((nbytes), __FILE__, __LINE__)
#define CI2_CALLOC(count, nbytes) ci2_calloc((count), (nbytes), __FILE__, __LINE__)
#define CI2_NEW(p) ((p) = CI2_ALLOC((size_t)sizeof *(p)))
#define CI2_NEW0(p) ((p) = CI2_CALLOC(1, (size_t)sizeof *(p)))
#define CI2_FREE(ptr) ((void)(ci2_free((ptr), __FILE__, __LINE__), (ptr) = 0))
#define CI2_RESIZE(ptr, nbytes) ((ptr) = ci2_resize((ptr), (nbytes), __FILE__, __LINE__))
#endif // ci2_mem.h

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src/ci2_mem.c Normal file
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@@ -0,0 +1,73 @@
/* - | Copyright | --------------------------------------------------------------
Copyright (c) 2026 Randy Jordan
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
* --------------------------------------------------------------------------*/
#include "../include/ci2.h"
#include <stdlib.h> // malloc calloc free
const struct CI2_Exception oom = { ENOMEM, "Out of memory!" };
void *ci2_alloc(size_t nbytes, const char *file, int line){
void *ptr;
ci2_rt_assert(nbytes > 0);
ptr = malloc(nbytes);
if (ptr == NULL){
if (file == NULL)
CI2_RAISE(oom);
else
ci2_raise_exception(&oom, file, line, CURRENT_FUNC);
}
return ptr;
}
void *ci2_calloc(size_t count, size_t nbytes, const char *file, int line){
void *ptr;
ci2_rt_assert(count > 0);
ci2_rt_assert(nbytes > 0);
ptr = calloc(count, nbytes);
if (ptr == NULL){
if (file == NULL)
CI2_RAISE(oom);
else
ci2_raise_exception(&oom, file, line, CURRENT_FUNC);
}
return ptr;
}
void ci2_free(void *ptr, const char *file, int line){
(void) file;
(void) line;
if (ptr)
free(ptr);
}
void *ci2_resize(void *ptr, size_t nbytes, const char *file, int line) {
// ci2_rt_assert(ptr); // ? Maybe
// ci2_rt_assert(nbytes > 0);// ? Maybe
void *tmp = realloc(ptr, nbytes);
if (tmp == NULL){
if (file == NULL)
CI2_RAISE(oom);
else
ci2_raise_exception(&oom, file, line, CURRENT_FUNC);
}
ptr = tmp;
return ptr;
}

141
tests/04_memory_exception.c Normal file
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@@ -0,0 +1,141 @@
/* - | Copyright | --------------------------------------------------------------
Copyright (c) 2026 Randy Jordan
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
* --------------------------------------------------------------------------*/
#define DEBUG
#define GUI_DEBUG_CLOSE
#include "../include/ci2.h"
#include <stdlib.h>
#include <string.h>
static int test_caught_exception(){
size_t nbytes = CI2_GB(1024);
void *buf = NULL;
const char *str = "Hello World";
buf = CI2_CALLOC(1,strlen(str+1)); /* You have no enable asan options. */
strncpy(buf,str,strlen(str));
char *opts = "ASAN_OPTIONS=allocator_may_fail=1";
printf("Attempting oom re-allocation of %ld at %p\n", nbytes, buf);
printf("Adding %s to env....%d\n",opts, putenv(opts));
CI2_TRY {
printf("Trying something dumb.\n");
CI2_RESIZE(buf, nbytes);
}
CI2_EXCEPT(oom) {
/* handle memory failure gracefully */
printf("Caught: %d: %s\n", oom.num, oom.msg);
return EXIT_SUCCESS; /* requested behavior */
}
CI2_FINALLY {
/* cleanup if needed, runs always */
printf("Have to free allocation of %ld at %p\n",strlen(buf), buf );
if (buf) free(buf);
}
CI2_END_TRY;
return EXIT_FAILURE;
}
static int test_uncaught_exception(void){
#ifdef CI2_EXCEPTION_CRASH
printf("CI2_MSG — Deliberate Failure (expect a debug break)\n");
printf(" Triggering ci2_raise_exception() now...\n");
fflush(stdout);
struct CI2_Exception u = { EFAULT, "Deliberate uncaught exception test."};
CI2_RAISE(u);
printf(" [FAIL] Execution continued past a failing ASSERT_MSG!\n");
return EXIT_SUCCESS; // Shouldn't but still.
#endif
return EXIT_SUCCESS;
}
#ifdef CI2_WINDOWS
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
(void)hInstance;
(void)hPrevInstance;
(void)lpCmdLine;
(void) nShowCmd;
if (!ci2_init()) {
MessageBoxA(NULL, "ci2_init failed", "Error", MB_OK | MB_ICONERROR);
return EXIT_FAILURE;
}
static ci2_sys_char *ci2_window_title = L"Win32 CI2 Window Title";
CI2_Window* window = ci2_create_window(ci2_window_title, 800, 600);
if (!window) {
MessageBoxA(NULL, "ci2_create_window failed", "Error", MB_OK | MB_ICONERROR);
ci2_shutdown();
return EXIT_FAILURE;
}
// 4) Main loop: run until ci2_poll_events reports the window should close.
// This loop is friendly to rendering or other per-frame work.
int result = -1;
while (ci2_poll_events(window)) {
// Per-frame update/render would go here.
// Example: simple sleep to avoid busy-looping; adjust to suit your app's timing.
result = test_uncaught_exception();
result = test_caught_exception();
Sleep(1);
#ifdef GUI_DEBUG_CLOSE
break;
#endif
}
// 5) Destroy window and shutdown ci2.
ci2_destroy_window(window);
ci2_shutdown();
return result;
}
#else /* non-Windows (Linux, macOS, etc.) */
#include <unistd.h>
int main(int argc, ci2_sys_char *argv[])
{
UNUSED(argc);
UNUSED(argv);
if (!ci2_init()) return 1;
static ci2_sys_char *ci2_window_title = "Linux CI2 Window Title";
CI2_Window* window = ci2_create_window(ci2_window_title, 800, 600);
if (!window) return 1;
int result = -1;
while (ci2_poll_events(window)) {
// Your rendering / game loop goes here
result = test_uncaught_exception();
result = test_caught_exception();
sleep(1);
#ifdef GUI_DEBUG_CLOSE
break;
#endif
}
ci2_destroy_window(window);
ci2_shutdown();
return result;
}
#endif