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Diffstat (limited to 'util/nvmutil/nvmutil.c')
-rw-r--r--util/nvmutil/nvmutil.c20
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);
}