sfdisk: fix "differ in signedness" compiler warnings

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/fdisk/cfdisk.c b/fdisk/cfdisk.c
index 40b234608cbb803c8b80f8fe13c6546495750869..1117f454ce489c6ccbe67c6b7012436233576fd8 100644 (file)
--- a/fdisk/cfdisk.c
+++ b/fdisk/cfdisk.c
@@ -547,7 +547,7 @@ die_x(int ret) {
 }
 
 static void
-read_sector(char *buffer, long long sect_num) {
+read_sector(unsigned char *buffer, long long sect_num) {
     if (lseek(fd, sect_num*SECTOR_SIZE, SEEK_SET) < 0)
        fatal(_("Cannot seek on disk drive"), 2);
     if (read(fd, buffer, SECTOR_SIZE) != SECTOR_SIZE)
@@ -555,7 +555,7 @@ read_sector(char *buffer, long long sect_num) {
 }
 
 static void
-write_sector(char *buffer, long long sect_num) {
+write_sector(unsigned char *buffer, long long sect_num) {
     if (lseek(fd, sect_num*SECTOR_SIZE, SEEK_SET) < 0)
        fatal(_("Cannot seek on disk drive"), 2);
     if (write(fd, buffer, SECTOR_SIZE) != SECTOR_SIZE)
@@ -686,8 +686,8 @@ get_linux_label(int i) {
        offset = (p_info[i].first_sector + p_info[i].offset) * SECTOR_SIZE + 0;
        if (lseek(fd, offset, SEEK_SET) == offset
            && read(fd, &xfsb, sizeof(xfsb)) == sizeof(xfsb)
-           && !strncmp(xfsb.s_magic, XFS_SUPER_MAGIC, 4)) {
-               label = xfsb.s_fname;
+           && !strncmp((char *) xfsb.s_magic, XFS_SUPER_MAGIC, 4)) {
+               label = (char *) xfsb.s_fname;
                for(j=0; j<XFSLABELSZ && j<LABELSZ && isprint(label[j]); j++)
                        p_info[i].volume_label[j] = label[j];
                p_info[i].volume_label[j] = 0;
@@ -717,7 +717,7 @@ get_linux_label(int i) {
            && has_reiserfs_magic_string(&reiserfsb, &reiserfs_is_3_6)) {
                if (reiserfs_is_3_6) {
                        /* label only on version 3.6 onward */
-                       label = reiserfsb.s_label;
+                       label = (char *) reiserfsb.s_label;
                        for(j=0; j<REISERFSLABELSZ && j<LABELSZ &&
                                    isprint(label[j]); j++)
                                p_info[i].volume_label[j] = label[j];
@@ -1947,13 +1947,13 @@ fp_printf(FILE *fp, char *format, ...) {
 
 #define MAX_PER_LINE 16
 static void
-print_file_buffer(FILE *fp, char *buffer) {
+print_file_buffer(FILE *fp, unsigned char *buffer) {
     int i,l;
 
     for (i = 0, l = 0; i < SECTOR_SIZE; i++, l++) {
        if (l == 0)
            fp_printf(fp, "0x%03X:", i);
-       fp_printf(fp, " %02X", (unsigned char) buffer[i]);
+       fp_printf(fp, " %02X", buffer[i]);
        if (l == MAX_PER_LINE - 1) {
            fp_printf(fp, "\n");
            l = -1;