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Introduce xAsprintf as checked version of asprintf

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This commit is contained in:
Christian Göttsche
2020-08-21 10:37:29 +02:00
parent 40ac7a88af
commit 3856bf574b
3 changed files with 14 additions and 4 deletions
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6
XAlloc.h
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@ -11,12 +11,18 @@
#include <assert.h>
#include <stdlib.h>
extern void fail(void);
extern void* xMalloc(size_t size);
extern void* xCalloc(size_t nmemb, size_t size);
extern void* xRealloc(void* ptr, size_t size);
#undef xAsprintf
#define xAsprintf(strp, fmt, ...) do { int _r=asprintf(strp, fmt, __VA_ARGS__); if (_r < 0) { fail(); } } while(0)
#define xSnprintf(fmt, len, ...) do { int _l=len; int _n=snprintf(fmt, _l, __VA_ARGS__); if (!(_n > -1 && _n < _l)) { curs_set(1); endwin(); err(1, NULL); } } while(0)
#undef xStrdup