hardened_malloc/util.c

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#include <errno.h>
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#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
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static int write_full(int fd, const char *buf, size_t length) {
do {
ssize_t bytes_written = write(fd, buf, length);
if (bytes_written == -1) {
if (errno == EINTR) {
continue;
}
return -1;
}
buf += bytes_written;
length -= bytes_written;
} while (length);
return 0;
}
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COLD noreturn void fatal_error(const char *s) {
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const char *prefix = "fatal allocator error: ";
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(void)(write_full(STDERR_FILENO, prefix, strlen(prefix)) != -1 &&
write_full(STDERR_FILENO, s, strlen(s)) != -1 &&
write_full(STDERR_FILENO, "\n", 1));
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abort();
}