ref: 8188b4f4f0e07b6669e6ae3c6c1099af917eaab4
dir: /sys/src/cmd/snap/util.c/
#include <u.h> #include <libc.h> #include <bio.h> #include "snap.h" void* emalloc(ulong n) { void *v; v = malloc(n); if(v == nil) sysfatal("out of memory"); memset(v, 0, n); return v; } void* erealloc(void *v, ulong n) { v = realloc(v, n); if(v == nil && n != 0) sysfatal("out of memory"); return v; } char* estrdup(char *s) { s = strdup(s); if(s == nil) sysfatal("out of memory"); return s; }