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There are a number of reasons for reinventing printf(). Writing status to

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stdout is not one of them.
This commit is contained in:
Rob Landley 2006-08-04 22:02:55 +00:00
parent f4e50b0bcd
commit 59fe8b9089
1 changed files with 8 additions and 18 deletions
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26
util-linux/fdformat.c
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@ -45,16 +45,6 @@ struct format_descr {
#define FDGETPRM _IOR(2, 0x04, struct floppy_struct) #define FDGETPRM _IOR(2, 0x04, struct floppy_struct)
#define FD_FILL_BYTE 0xF6 /* format fill byte. */ #define FD_FILL_BYTE 0xF6 /* format fill byte. */
static void print_and_flush(const char * __restrict format, ...)
{
va_list arg;
va_start(arg, format);
bb_vfprintf(stdout, format, arg);
va_end(arg);
xfflush_stdout();
}
static void xioctl(int fd, int request, void *argp, const char *string) static void xioctl(int fd, int request, void *argp, const char *string)
{ {
if (ioctl (fd, request, argp) < 0) { if (ioctl (fd, request, argp) < 0) {
@ -91,12 +81,12 @@ int fdformat_main(int argc,char **argv)
xioctl(fd, FDGETPRM, &param, "FDGETPRM");/*original message was: "Could not determine current format type" */ xioctl(fd, FDGETPRM, &param, "FDGETPRM");/*original message was: "Could not determine current format type" */
print_and_flush("%s-sided, %d tracks, %d sec/track. Total capacity %d kB.\n", printf("%s-sided, %d tracks, %d sec/track. Total capacity %d kB.\n",
(param.head == 2) ? "Double" : "Single", (param.head == 2) ? "Double" : "Single",
param.track, param.sect, param.size >> 1); param.track, param.sect, param.size >> 1);
/* FORMAT */ /* FORMAT */
print_and_flush("Formatting ... ", NULL); printf("Formatting ... ");
xioctl(fd, FDFMTBEG,NULL,"FDFMTBEG"); xioctl(fd, FDFMTBEG,NULL,"FDFMTBEG");
/* n == track */ /* n == track */
@ -105,7 +95,7 @@ int fdformat_main(int argc,char **argv)
descr.head = 0; descr.head = 0;
descr.track = n; descr.track = n;
xioctl(fd, FDFMTTRK,&descr,"FDFMTTRK"); xioctl(fd, FDFMTTRK,&descr,"FDFMTTRK");
print_and_flush("%3d\b\b\b", n); printf("%3d\b\b\b", n);
if (param.head == 2) { if (param.head == 2) {
descr.head = 1; descr.head = 1;
xioctl(fd, FDFMTTRK,&descr,"FDFMTTRK"); xioctl(fd, FDFMTTRK,&descr,"FDFMTTRK");
@ -113,7 +103,7 @@ int fdformat_main(int argc,char **argv)
} }
xioctl(fd,FDFMTEND,NULL,"FDFMTEND"); xioctl(fd,FDFMTEND,NULL,"FDFMTEND");
print_and_flush("done\n", NULL); printf("done\n");
/* VERIFY */ /* VERIFY */
if(verify) { if(verify) {
@ -121,9 +111,9 @@ int fdformat_main(int argc,char **argv)
n = param.sect*param.head*512; n = param.sect*param.head*512;
data = xmalloc(n); data = xmalloc(n);
print_and_flush("Verifying ... ", NULL); printf("Verifying ... ");
for (cyl = 0; cyl < param.track; cyl++) { for (cyl = 0; cyl < param.track; cyl++) {
print_and_flush("%3d\b\b\b", cyl); printf("%3d\b\b\b", cyl);
if((read_bytes = safe_read(fd,data,n))!= n ) { if((read_bytes = safe_read(fd,data,n))!= n ) {
if(read_bytes < 0) { if(read_bytes < 0) {
bb_perror_msg(bb_msg_read_error); bb_perror_msg(bb_msg_read_error);
@ -133,7 +123,7 @@ int fdformat_main(int argc,char **argv)
/* Check backwards so we don't need a counter */ /* Check backwards so we don't need a counter */
while(--read_bytes>=0) { while(--read_bytes>=0) {
if( data[read_bytes] != FD_FILL_BYTE) { if( data[read_bytes] != FD_FILL_BYTE) {
print_and_flush("bad data in cyl %d\nContinuing ... ",cyl); printf("bad data in cyl %d\nContinuing ... ",cyl);
} }
} }
} }
@ -143,7 +133,7 @@ int fdformat_main(int argc,char **argv)
if (ENABLE_FEATURE_CLEAN_UP) free(data); if (ENABLE_FEATURE_CLEAN_UP) free(data);
print_and_flush("done\n", NULL); printf("done\n");
} }
if (ENABLE_FEATURE_CLEAN_UP) close(fd); if (ENABLE_FEATURE_CLEAN_UP) close(fd);