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#include "oslib.h"
void *xmalloc(const char *what, int size) {
void *ret;
ret = malloc(size ? size : 1);
if (!ret) {
fprintf(
stderr,
"*** Out of memory when allocating %d bytes%s%s",
size,
what ? " for " : "",
what ? what : "");
exit(-23);
return 0;
}
return ret;
}
void *xcalloc(const char *what, int size) {
void *ret;
ret = xmalloc(what, size);
memset(ret, 0, size);
return ret;
}
void *xrealloc(const char *what, void *old, int size) {
void *ret;
ret = realloc(old, size ? size : 1);
if (!ret) {
fprintf(
stderr,
"*** Out of memory when resizing buffer to %d bytes%s%s",
size,
what ? " for " : "",
what ? what : "");
exit(-23);
return 0;
}
return ret;
}
char *xstrdup(const char *str) {
return strcpy(xmalloc(0, strlen(str) + 1), str);
}
void xfree(void *ptr) {
if (ptr)
free(ptr);
}
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