summaryrefslogtreecommitdiff
path: root/coreutils/dos2unix.c
diff options
context:
space:
mode:
authorEric Andersen2001-08-22 05:06:29 +0000
committerEric Andersen2001-08-22 05:06:29 +0000
commit59443965ad359f3c72e2ea3a15c77140d938d930 (patch)
tree188fd6bea557dd4340932189dd49487c4ba97b03 /coreutils/dos2unix.c
parentd36cdd25a56db0c9b8ea41ce717c2440009d5ce0 (diff)
downloadbusybox-59443965ad359f3c72e2ea3a15c77140d938d930.zip
busybox-59443965ad359f3c72e2ea3a15c77140d938d930.tar.gz
Scrub things and ditch uint64_t and use a custom type name
to avoid C lib compatibility problems.
Diffstat (limited to 'coreutils/dos2unix.c')
-rw-r--r--coreutils/dos2unix.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index e110680..8b65d05 100644
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -30,14 +30,18 @@
#include <string.h>
#include <getopt.h>
#include <unistd.h>
+#include <stdint.h>
#include <fcntl.h>
#include <sys/time.h>
#include "busybox.h"
-/* Teach older glibc and libc5 what a uint64_t is */
-#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 3)
-typedef unsigned long int uint64_t;
-#endif
+/* 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";
@@ -47,7 +51,7 @@ static int convert(char *fn, int ConvType)
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) {
@@ -64,7 +68,7 @@ static int convert(char *fn, int ConvType)
* 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;
@@ -138,7 +142,9 @@ static int convert(char *fn, int ConvType)
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);
return -1;