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/* Copyright (C) 2004-2005 Henry Cejtin, Matthew Fluet, Suresh
* Jagannathan, and Stephen Weeks.
*
* MLton is released under a BSD-style license.
* See the file MLton-LICENSE for details.
*/
#include "platform.h"
void die (char *fmt, ...) {
va_list args;
fflush(stdout);
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, "\n");
exit(1);
}
void diee (char * fmt, ...) {
va_list args;
fflush(stdout);
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, " (%s)\n", strerror(errno));
exit(1);
}
void asfail(char *file, int line, char *prop) {
fflush(stdout);
fprintf(stderr, "%s:%d: assert(%s) failed.\n", file, line, prop);
abort();
}
string boolToString (bool b) {
return b ? "TRUE" : "FALSE";
}
#define BUF_SIZE 81
string intToCommaString (int n) {
static char buf[BUF_SIZE];
int i;
i = BUF_SIZE - 1;
buf[i--] = '\000';
if (0 == n)
buf[i--] = '0';
else if (INT_MIN == n) {
/* must treat INT_MIN specially, because I negate stuff later */
strcpy (buf + 1, "-2,147,483,648");
i = 0;
} else {
int m;
if (n > 0) m = n; else m = -n;
while (m > 0) {
buf[i--] = m % 10 + '0';
m = m / 10;
if (i % 4 == 0 and m > 0) buf[i--] = ',';
}
if (n < 0) buf[i--] = '-';
}
return buf + i + 1;
}
void *scalloc (size_t nmemb, size_t size) {
void *res;
res = calloc (nmemb, size);
if (NULL == res)
die ("calloc (%s, %s) failed.\n",
uintToCommaString (nmemb),
uintToCommaString (size));
return res;
}
void sclose (int fd) {
unless (0 == close (fd))
diee ("unable to close %d", fd);
}
void sfclose (FILE *file) {
unless (0 == fclose (file))
diee ("unable to close file");
}
FILE *sfopen (char *fileName, char *mode) {
FILE *file;
if (NULL == (file = fopen ((char*)fileName, mode)))
diee ("sfopen unable to open file %s", fileName);
return file;
}
void sfread (void *ptr, size_t size, size_t nmemb, FILE *file) {
size_t bytes;
bytes = size * nmemb;
if (0 == bytes) return;
unless (1 == fread (ptr, bytes, 1, file))
diee("sfread failed");
}
uint sfreadUint (FILE *file) {
uint n;
sfread (&n, sizeof(uint), 1, file);
return n;
}
void sfwrite (void *ptr, size_t size, size_t nmemb, FILE *file) {
size_t bytes;
bytes = size * nmemb;
if (0 == bytes) return;
unless (1 == fwrite (ptr, size * nmemb, 1, file))
diee ("sfwrite failed");
}
void *smalloc (size_t length) {
void *res;
res = malloc (length);
if (NULL == res)
die ("Unable to malloc %s bytes.\n", uintToCommaString (length));
return res;
}
int smkstemp (char *template) {
int fd;
fd = mkstemp (template);
if (-1 == fd)
diee ("unable to make temporary file");
return fd;
}
void swrite (int fd, const void *buf, size_t count) {
if (0 == count) return;
unless (count == write (fd, buf, count))
diee ("swrite failed");
}
void swriteUint (int fd, uint n) {
swrite (fd, &n, sizeof(uint));
}
string uintToCommaString (uint n) {
static char buf1[BUF_SIZE];
static char buf2[BUF_SIZE];
static char buf3[BUF_SIZE];
static char buf4[BUF_SIZE];
static char buf5[BUF_SIZE];
static char *bufs[] = {buf1, buf2, buf3, buf4, buf5};
static int bufIndex = 0;
static char *buf;
int i;
buf = bufs[bufIndex++];
bufIndex %= 5;
i = BUF_SIZE - 1;
buf[i--] = '\000';
if (0 == n)
buf[i--] = '0';
else {
while (n > 0) {
buf[i--] = n % 10 + '0';
n = n / 10;
if (i % 4 == 0 and n > 0) buf[i--] = ',';
}
}
return buf + i + 1;
}
string ullongToCommaString (ullong n) {
static char buf[BUF_SIZE];
int i;
i = BUF_SIZE - 1;
buf[i--] = '\000';
if (0 == n)
buf[i--] = '0';
else {
while (n > 0) {
buf[i--] = n % 10 + '0';
n = n / 10;
if (i % 4 == 0 and n > 0) buf[i--] = ',';
}
}
return buf + i + 1;
}
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