Introduce xAsprintf as checked version of asprintf

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

View File

@ -14,7 +14,7 @@
#include <stdlib.h>
}*/
static inline void fail() {
void fail() {
curs_set(1);
endwin();
err(1, NULL);
@ -44,6 +44,10 @@ void* xRealloc(void* ptr, size_t size) {
return data;
}
#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