#include <string.h>
#include <getopt.h>
#include <unistd.h>
+#include <stdint.h>
#include <fcntl.h>
#include <sys/time.h>
#include "busybox.h"
-/* Teach libc5 what a uint64_t is */
-#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
-typedef unsigned long int uint64_t;
-#endif
+#define CT_AUTO 0
+#define CT_UNIX2DOS 1
+#define CT_DOS2UNIX 2
+
+/* We are making a lame pseudo-random string generator here. in
+ * convert(), each pass through the while loop will add more and more
+ * stuff into value, which is _supposed_ to wrap. We don't care about
+ * it being accurate. We care about it being messy, since we then mod
+ * it by the sizeof(letters) and then use that as an index into letters
+ * to pick a random letter to add to out temporary file. */
+typedef unsigned long int bb_uint64_t;
static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
int c, fd;
struct timeval tv;
char tempFn[BUFSIZ];
- static uint64_t value=0;
+ static bb_uint64_t value=0;
FILE *in = stdin, *out = stdout;
if (fn != NULL) {
- if ((in = wfopen(fn, "rw")) == NULL) {
- return -1;
- }
- strcpy(tempFn, fn);
+ in = bb_xfopen(fn, "rw");
+ safe_strncpy(tempFn, fn, sizeof(tempFn));
c = strlen(tempFn);
tempFn[c] = '.';
while(1) {
if (c >=BUFSIZ)
- error_msg_and_die("unique name not found");
+ bb_error_msg_and_die("unique name not found");
/* Get some semi random stuff to try and make a
* random filename based (and in the same dir as)
* the input file... */
gettimeofday (&tv, NULL);
- value += ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid ();
+ value += ((bb_uint64_t) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid ();
tempFn[++c] = letters[value % 62];
tempFn[c+1] = '\0';
value /= 62;
// file is alredy in DOS format so it is not necessery to touch it
remove(tempFn);
if (fclose(in) < 0 || fclose(out) < 0) {
- perror_msg(NULL);
+ bb_perror_nomsg();
return -2;
}
return 0;
// file is alredy in UNIX format so it is not necessery to touch it
remove(tempFn);
if ((fclose(in) < 0) || (fclose(out) < 0)) {
- perror_msg(NULL);
+ bb_perror_nomsg();
return -2;
}
return 0;
if (fn != NULL) {
if (fclose(in) < 0 || fclose(out) < 0) {
- perror_msg(NULL);
+ bb_perror_nomsg();
remove(tempFn);
return -2;
}
- /* Assume they are both on the same filesystem */
+ /* Assume they are both on the same filesystem (which
+ * should be true since we put them into the same directory
+ * so we _should_ be ok, but you never know... */
if (rename(tempFn, fn) < 0) {
- perror_msg("unable to rename '%s' as '%s'", tempFn, fn);
+ bb_perror_msg("unable to rename '%s' as '%s'", tempFn, fn);
return -1;
}
}
ConvType = CT_DOS2UNIX;
break;
default:
- show_usage();
+ bb_show_usage();
}
}