getparam: fix the GetStr() macro
It should return PARAM_NO_MEM if the strdup fails. Spotted by clang-analyzer
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@ -56,10 +56,11 @@
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free(*(str)); \
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*(str) = NULL; \
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} \
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if((val)) \
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if((val)) { \
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*(str) = strdup((val)); \
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if(!(val)) \
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if(!(*(str))) \
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return PARAM_NO_MEM; \
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} \
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} WHILE_FALSE
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struct LongShort {
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