mirror of
https://github.com/ioacademy-jikim/debugging
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24 lines
553 B
C
24 lines
553 B
C
/*
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* AC_FUNC_REALLOC in configure defines realloc to rpl_realloc if
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* realloc (p, 0) or realloc (0, n) is NULL to provide GNU
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* compatibility
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*/
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#include "libcompat.h"
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/* realloc has been defined to rpl_realloc, so first undo that */
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#undef realloc
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/* this gives us the real realloc to use below */
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void *realloc(void *p, size_t n);
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/* force realloc(p, 0) and realloc (NULL, n) to return a valid pointer */
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void *rpl_realloc(void *p, size_t n)
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{
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if(n == 0)
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n = 1;
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if(p == 0)
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return malloc(n);
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return realloc(p, n);
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}
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