libreboot
/
lbmk
1
0
Fork 0
Code Packages Projects Releases Activity

util/nvmutil: remove xpread/xpwrite macros 

use err_if instead

Signed-off-by: Leah Rowe <leah@libreboot.org>
btrfsvols
Leah Rowe 2023-09-18 16:32:37 +01:00
parent ac0e49996a
commit 5a129cea11
1 changed files with 9 additions and 11 deletions
util/nvmutil

20
util/nvmutil/nvmutil.c
View File

@ -14,7 +14,7 @@
#include <unistd.h>
void openFiles(const char *path);
void readGbeFile(const char *path);
void readGbeFile(void);
void cmd_setmac(void);
int invalidMacAddress(const char *strMac, uint16_t *mac);
uint8_t hextonum(char chs);
@ -29,7 +29,7 @@ void cmd_copy(void);
int validChecksum(int partnum);
void setWord(int pos16, int partnum, uint16_t val16);
void xorswap_buf(int partnum);
void writeGbeFile(const char *filename);
void writeGbeFile(void);
#define FILENAME argv[1]
#define COMMAND argv[2]
@ -67,9 +67,7 @@ void (*cmd)(void) = NULL;
#define xopen(f,l,p) if (opendir(l) != NULL) err(errno = EISDIR, "%s", l); \
if ((f = open(l, p)) == -1) err(ERR(), "%s", l); \
if (fstat(f, &st) == -1) err(ERR(), "%s", l)
#define xpread(f, b, n, o, l) if (pread(f, b, n, o) == -1) err(ERR(), "%s", l)
#define handle_endianness(r) if (((uint8_t *) &endian)[0] ^ 1) xorswap_buf(r)
#define xpwrite(f, b, n, o, l) if (pwrite(f, b, n, o) == -1) err(ERR(), "%s", l)
#define xorswap(x, y) x ^= y, y ^= x, x ^= y
#define word(pos16, partnum) buf16[pos16 + (partnum << 11)]
@ -101,11 +99,11 @@ main(int argc, char *argv[])
|| PARTNUM[1] ? EINVAL : errno));
err_if((errno = (cmd == NULL) ? EINVAL : errno));
readGbeFile(FILENAME);
readGbeFile();
(*cmd)();
if ((gbeFileModified) && (flags != O_RDONLY))
writeGbeFile(FILENAME);
writeGbeFile();
err_if((errno != 0) && (cmd != &cmd_dump));
return errno;
}
@ -122,7 +120,7 @@ openFiles(const char *path)
}
void
readGbeFile(const char *path)
readGbeFile(void)
{
nf = ((cmd == cmd_swap) || (cmd == cmd_copy)) ? SIZE_4KB : nf;
skipread[part ^ 1] = (cmd == &cmd_copy) | (cmd == &cmd_setchecksum)
@ -131,7 +129,7 @@ readGbeFile(const char *path)
for (int p = 0; p < 2; p++) {
if (skipread[p])
continue;
xpread(fd, (uint8_t *) gbe[p], nf, p << 12, path);
err_if(pread(fd, (uint8_t *) gbe[p], nf, p << 12) == -1);
handle_endianness(p);
}
}
@ -190,7 +188,7 @@ rhex(void)
{
static uint8_t n = 0, rnum[16];
if (!n)
xpread(rfd, (uint8_t *) &rnum, (n = 15) + 1, 0, "/dev/urandom");
err_if(pread(rfd, (uint8_t *) &rnum, (n = 15) + 1, 0) == -1);
return rnum[n--] & 0xf;
}
@ -287,14 +285,14 @@ xorswap_buf(int partnum)
}
void
writeGbeFile(const char *filename)
writeGbeFile(void)
{
errno = 0;
for (int x = gbe[0] > gbe[1] ? 1 : 0, p = 0; p < 2; p++, x ^= 1) {
if (!nvmPartModified[x])
continue;
handle_endianness(x);
xpwrite(fd, (uint8_t *) gbe[x], nf, x << 12, filename);
err_if(pwrite(fd, (uint8_t *) gbe[x], nf, x << 12) == -1);
}
err_if(close(fd) == -1);
}