diff options
Diffstat (limited to 'util/nvmutil/nvmutil.c')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 03fe2acf..7be2b08a 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -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); } |