commit 201100c968ad6db4f38632f9b6c3544854897788 · pci.express/flanterm.zig

+13
backends/fb.c
···

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       static size_t bump_alloc_ptr = 0;

     

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       static void *bump_alloc(size_t s) {

     

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           static bool base_offset_added = false;

     

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           if (!base_offset_added) {

     

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               if ((uintptr_t)bump_alloc_pool & 0xf) {

     

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                   bump_alloc_ptr += 0x10 - ((uintptr_t)bump_alloc_pool & 0xf);

     

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               }

     

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               base_offset_added = true;

     

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           }

     

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           if ((s & 0xf) != 0) {

     

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               s += 0x10;

     

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               s &= ~(size_t)0xf;

     

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           }

     

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       +
       

     

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           size_t next_ptr = bump_alloc_ptr + s;

     

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           if (next_ptr > FLANTERM_FB_BUMP_ALLOC_POOL_SIZE) {

     

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               return NULL;