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Fix undefined behavior when reading constant in RGBLINK

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This commit is contained in:
ISSOtm
2020-02-07 14:51:13 +01:00
parent b42a04c24e
commit 7903c14993
1 changed files with 2 additions and 2 deletions
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4
src/link/patch.c
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@@ -110,8 +110,8 @@ static inline void freeRPNStack(void)
/* RPN operators */ /* RPN operators */
static uint8_t getRPNByte(uint8_t const **expression, int32_t *size, static uint32_t getRPNByte(uint8_t const **expression, int32_t *size,
char const *fileName, int32_t lineNo) char const *fileName, int32_t lineNo)
{ {
if (!(*size)--) if (!(*size)--)
errx(1, "%s(%d): RPN expression overread", fileName, lineNo); errx(1, "%s(%d): RPN expression overread", fileName, lineNo);