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-rw-r--r--util/nvmutil/nvmutil.c109
1 files changed, 59 insertions, 50 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 01a5e36c..de966659 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -163,17 +163,23 @@ also consider:
#include <time.h>
#include <unistd.h>
-typedef unsigned char u8;
+typedef unsigned char u8;
typedef unsigned short ushort;
-typedef unsigned int uint;
+typedef unsigned int uint;
+typedef unsigned long ulong;
/* type asserts */
typedef char static_assert_char_is_8_bits[(CHAR_BIT == 8) ? 1 : -1];
typedef char static_assert_char_is_1[(sizeof(char) == 1) ? 1 : -1];
-typedef char static_assert_uint8_is_1[(sizeof(u8) == 1) ? 1 : -1];
-typedef char static_assert_uint16_is_2[(sizeof(ushort) >= 2) ? 1 : -1];
+typedef char static_assert_u8_is_1[
+ (sizeof(u8) == 1) ? 1 : -1];
+typedef char static_assert_ushort_is_2[
+ (sizeof(ushort) >= 2) ? 1 : -1];
typedef char static_assert_short_is_2[(sizeof(short) >= 2) ? 1 : -1];
-typedef char static_assert_uint32_is_4[(sizeof(uint) >= 4) ? 1 : -1];
+typedef char static_assert_uint_is_4[
+ (sizeof(uint) >= 4) ? 1 : -1];
+typedef char static_assert_ulong_is_4[
+ (sizeof(ulong) >= 4) ? 1 : -1];
typedef char static_assert_int_ge_32[(sizeof(int) >= 4) ? 1 : -1];
typedef char static_assert_twos_complement[
((-1 & 3) == 3) ? 1 : -1
@@ -183,6 +189,9 @@ typedef char static_assert_twos_complement[
* We set _FILE_OFFSET_BITS 64, but we only handle
* files that are 128KB in size at a maximum, so we
* realistically only need 32-bit at a minimum.
+ *
+ * We set 64 anyway, because there's no reason not
+ * to, but some systems may ignore _FILE_OFFSET_BITS
*/
typedef char static_assert_off_t_is_32[(sizeof(off_t) >= 4) ? 1 : -1];
@@ -278,7 +287,7 @@ static void set_mac_nib(size_t mac_str_pos,
static ushort hextonum(char ch_s);
static ushort rhex(void);
static ushort fallback_rand(void);
-static unsigned long entropy_jitter(void);
+static ulong entropy_jitter(void);
static void write_mac_part(size_t partnum);
/*
@@ -347,7 +356,7 @@ static int try_err(int loop_err, int errval);
static void err(int nvm_errval, const char *msg, ...);
static void close_files(void);
static const char *getnvmprogname(void);
-static void usage(u8 usage_exit);
+static void usage(int usage_exit);
/*
* Sizes in bytes:
@@ -698,19 +707,19 @@ sanitize_command_index(size_t c)
if (command[c].argc < 3)
err(EINVAL, "cmd index %lu: argc below 3, %d",
- (unsigned long)c, command[c].argc);
+ (ulong)c, command[c].argc);
if (command[c].str == NULL)
err(EINVAL, "cmd index %lu: NULL str",
- (unsigned long)c);
+ (ulong)c);
if (*command[c].str == '\0')
err(EINVAL, "cmd index %lu: empty str",
- (unsigned long)c);
+ (ulong)c);
if (xstrxlen(command[c].str, MAX_CMD_LEN + 1) >
MAX_CMD_LEN) {
err(EINVAL, "cmd index %lu: str too long: %s",
- (unsigned long)c, command[c].str);
+ (ulong)c, command[c].str);
}
mod_type = command[c].set_modified;
@@ -738,12 +747,12 @@ sanitize_command_index(size_t c)
break;
default:
err(EINVAL, "Unsupported rw_size: %lu",
- (unsigned long)gbe_rw_size);
+ (ulong)gbe_rw_size);
}
if (gbe_rw_size > GBE_PART_SIZE)
err(EINVAL, "rw_size larger than GbE part: %lu",
- (unsigned long)gbe_rw_size);
+ (ulong)gbe_rw_size);
if (command[c].flags != O_RDONLY &&
command[c].flags != O_RDWR)
@@ -796,13 +805,13 @@ set_cmd_args(int argc, char *argv[])
static size_t
conv_argv_part_num(const char *part_str)
{
- unsigned char ch;
+ u8 ch;
if (part_str[0] == '\0' || part_str[1] != '\0')
err(EINVAL, "Partnum string '%s' wrong length", part_str);
/* char signedness is implementation-defined */
- ch = (unsigned char)part_str[0];
+ ch = (u8)part_str[0];
if (ch < '0' || ch > '1')
err(EINVAL, "Bad part number (%c)", ch);
@@ -826,7 +835,7 @@ xstrxcmp(const char *a, const char *b, size_t maxlen)
for (i = 0; i < maxlen; i++) {
if (a[i] != b[i])
- return (unsigned char)a[i] - (unsigned char)b[i];
+ return (u8)a[i] - (u8)b[i];
if (a[i] == '\0')
return 0;
@@ -854,7 +863,7 @@ open_dev_urandom(void)
/* fallback on VERY VERY VERY old unix */
use_prng = 1;
- srand((unsigned)(time(NULL) ^ getpid()));
+ srand((uint)(time(NULL) ^ getpid()));
}
static void
@@ -972,7 +981,7 @@ read_checksums(void)
if (num_invalid >= max_invalid) {
if (max_invalid == 1)
err(ECANCELED, "%s: part %lu has a bad checksum",
- fname, (unsigned long)part);
+ fname, (ulong)part);
err(ECANCELED, "%s: No valid checksum found in file",
fname);
}
@@ -1003,7 +1012,7 @@ check_command_num(size_t c)
{
if (!valid_command(c))
err(EINVAL, "Invalid run_cmd arg: %lu",
- (unsigned long)c);
+ (ulong)c);
}
static u8
@@ -1014,7 +1023,7 @@ valid_command(size_t c)
if (c != command[c].chk)
err(EINVAL, "Invalid cmd chk value (%lu) vs arg: %lu",
- (unsigned long)command[c].chk, (unsigned long)c);
+ (ulong)command[c].chk, (ulong)c);
return 1;
}
@@ -1128,14 +1137,14 @@ set_mac_nib(size_t mac_str_pos,
static ushort
hextonum(char ch_s)
{
- unsigned char ch = (unsigned char)ch_s;
+ u8 ch = (u8)ch_s;
- if ((unsigned)(ch - '0') <= 9)
+ if ((uint)(ch - '0') <= 9)
return ch - '0';
ch |= 0x20;
- if ((unsigned)(ch - 'a') <= 5)
+ if ((uint)(ch - 'a') <= 5)
return ch - 'a' + 10;
if (ch == '?' || ch == 'x')
@@ -1165,15 +1174,15 @@ static ushort
fallback_rand(void)
{
struct timeval tv;
- unsigned long mix;
- static unsigned long counter = 0;
+ ulong mix;
+ static ulong counter = 0;
gettimeofday(&tv, NULL);
- mix = (unsigned long)tv.tv_sec
- ^ (unsigned long)tv.tv_usec
- ^ (unsigned long)getpid()
- ^ (unsigned long)&mix
+ mix = (ulong)tv.tv_sec
+ ^ (ulong)tv.tv_usec
+ ^ (ulong)getpid()
+ ^ (ulong)&mix
^ counter++
^ entropy_jitter();
@@ -1181,18 +1190,18 @@ fallback_rand(void)
* Stack addresses can vary between
* calls, thus increasing entropy.
*/
- mix ^= (unsigned long)&mix;
- mix ^= (unsigned long)&tv;
- mix ^= (unsigned long)&counter;
+ mix ^= (ulong)&mix;
+ mix ^= (ulong)&tv;
+ mix ^= (ulong)&counter;
return (ushort)(mix & 0xf);
}
-static unsigned long
+static ulong
entropy_jitter(void)
{
struct timeval a, b;
- unsigned long mix = 0;
+ ulong mix = 0;
long mix_diff;
int i;
@@ -1209,8 +1218,8 @@ entropy_jitter(void)
if (mix_diff < 0)
mix_diff = -mix_diff;
- mix ^= (unsigned long)(mix_diff);
- mix ^= (unsigned long)&mix;
+ mix ^= (ulong)(mix_diff);
+ mix ^= (ulong)&mix;
}
return mix;
@@ -1229,7 +1238,7 @@ write_mac_part(size_t partnum)
set_nvm_word(w, partnum, mac_buf[w]);
printf("Wrote MAC address to part %lu: ",
- (unsigned long)partnum);
+ (ulong)partnum);
print_mac_from_nvm(partnum);
}
@@ -1246,11 +1255,11 @@ cmd_helper_dump(void)
fprintf(stderr,
"BAD checksum %04x in part %lu (expected %04x)\n",
nvm_word(NVM_CHECKSUM_WORD, partnum),
- (unsigned long)partnum,
+ (ulong)partnum,
calculated_checksum(partnum));
printf("MAC (part %lu): ",
- (unsigned long)partnum);
+ (ulong)partnum);
print_mac_from_nvm(partnum);
hexdump(partnum);
}
@@ -1265,8 +1274,8 @@ print_mac_from_nvm(size_t partnum)
for (c = 0; c < 3; c++) {
val16 = nvm_word(c, partnum);
printf("%02x:%02x",
- (unsigned int)(val16 & 0xff),
- (unsigned int)(val16 >> 8));
+ (uint)(val16 & 0xff),
+ (uint)(val16 >> 8));
if (c == 2)
printf("\n");
else
@@ -1282,14 +1291,14 @@ hexdump(size_t partnum)
ushort val16;
for (row = 0; row < 8; row++) {
- printf("%08lx ", (unsigned long)((size_t)row << 4));
+ printf("%08lx ", (ulong)((size_t)row << 4));
for (c = 0; c < 8; c++) {
val16 = nvm_word((row << 3) + c, partnum);
if (c == 4)
printf(" ");
printf(" %02x %02x",
- (unsigned int)(val16 & 0xff),
- (unsigned int)(val16 >> 8));
+ (uint)(val16 & 0xff),
+ (uint)(val16 >> 8));
}
printf("\n");
}
@@ -1465,7 +1474,7 @@ check_nvm_bound(size_t c, size_t p)
if (c >= NVM_WORDS)
err(ECANCELED, "check_nvm_bound: out of bounds %lu",
- (unsigned long)c);
+ (ulong)c);
}
static void
@@ -1473,7 +1482,7 @@ check_bin(size_t a, const char *a_name)
{
if (a > 1)
err(EINVAL, "%s must be 0 or 1, but is %lu",
- a_name, (unsigned long)a);
+ a_name, (ulong)a);
}
static void
@@ -1487,7 +1496,7 @@ rw_gbe_file_part(size_t p, int rw_type,
if (rw_type < IO_PREAD || rw_type > IO_PWRITE)
err(errno, "%s: %s: part %lu: invalid rw_type, %d",
- fname, rw_type_str, (unsigned long)p, rw_type);
+ fname, rw_type_str, (ulong)p, rw_type);
if (rw_type == IO_PWRITE)
invert = 0;
@@ -1502,7 +1511,7 @@ rw_gbe_file_part(size_t p, int rw_type,
gbe_rw_size, gbe_file_offset(p, rw_type_str),
rw_type) == -1)
err(errno, "%s: %s: part %lu",
- fname, rw_type_str, (unsigned long)p);
+ fname, rw_type_str, (ulong)p);
}
/*
@@ -1718,7 +1727,7 @@ prw(int fd, void *mem, size_t nrw,
|| off < 0
|| !nrw /* prevent zero read request */
|| nrw > (size_t)SSIZE_MAX /* prevent overflow */
- || (unsigned int)rw_type > IO_PWRITE)
+ || (uint)rw_type > IO_PWRITE)
goto err_prw;
r = -1;
@@ -1916,7 +1925,7 @@ getnvmprogname(void)
}
static void
-usage(u8 usage_exit)
+usage(int usage_exit)
{
const char *util = getnvmprogname();
generated by cgit v1.2.1 (git 2.18.0) at 2026-03-14 19:24:20 +0000