Check a malloc result in C

C

The allocation that nobody checks is the one that fails in production.

char *buf = malloc(len + 1);
if (buf == NULL) {
    fprintf(stderr, "out of memory allocating %zu bytes\n", len + 1);
    return -1;
}
memcpy(buf, src, len);
buf[len] = '\0';

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Systems c memory errors chris

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