diff options
| -rw-r--r-- | coreutils/dos2unix.c | 20 | ||||
| -rw-r--r-- | dos2unix.c | 20 |
2 files changed, 26 insertions, 14 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; @@ -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; |