52 lines
752 B
C
52 lines
752 B
C
/*
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* cookie.c
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*
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* Created on: 03.05.2013
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* Author: mfro
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*/
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#include <stdint.h>
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#include <osbind.h>
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static uint32_t cookieptr(void)
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{
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return * (uint32_t *) 0x5a0L;
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}
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int getcookie(uint32_t cookie, uint32_t *p_value)
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{
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uint32_t *cookiejar = (uint32_t *) Supexec(cookieptr);
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if (!cookiejar) return 0;
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do
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{
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if (cookiejar[0] == cookie)
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{
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if (p_value) *p_value = cookiejar[1];
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return 1;
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}
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else
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cookiejar = &(cookiejar[2]);
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} while (cookiejar[-2]);
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return 0;
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}
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void setcookie(uint32_t cookie, uint32_t value)
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{
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uint32_t *cookiejar = (uint32_t *) Supexec(cookieptr);
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do
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{
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if (cookiejar[0] == cookie)
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{
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cookiejar[1] = value;
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return;
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}
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else
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cookiejar = &(cookiejar[2]);
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} while (cookiejar[-2]);
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}
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