ref: 4d919ab612f61c1ef1b21d41513f264d57c010d4
dir: /sys/src/ape/lib/ap/gen/_assert.c/
#include <stdlib.h> #include <unistd.h> #include <assert.h> void _assert(char *f, unsigned line) { char buf[20], *p, *s = &buf[20]; write(2, "assertion failed: file ", 23); for(p = f; *p; p++) continue; write(2, f, p-f); write(2, ":", 7); *--s = '\n'; do *--s = line%10 + '0'; while (line /= 10); write(2, s, &buf[20] - s); abort(); }