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dj(1): remove debugging vestige, reflow output into printio

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This commit is contained in:
dtb 2024-07-03 14:50:50 -06:00
parent 76252305f9
commit aff658d611
Signed by: trinity
GPG Key ID: 34C0543BBB6AF81B
1 changed files with 9 additions and 11 deletions
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20
src/dj.c
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@ -47,7 +47,7 @@ struct Io{
long seek; /* bytes to seek/skip (will be 0 after skippage) (-sS) */
};
/* To be assigned to main:fmt_output and used with output(). */
/* To be assigned to main:fmt and used with printio(). */
static char *fmt_asv = "%d\037%d\036%d\037%d\035%d\036%d\034";
static char *fmt_human = "%d+%d > %d+%d; %d > %d\n";
@ -142,8 +142,6 @@ Io_fdseek(struct Io *io){
assert(io->fd != STDOUT_FILENO || io->fl == write_flags);
assert(io->fd != STDERR_FILENO || io->fl == write_flags);
printf("%s\n", io->fn);
if(io->seek == 0
|| (!fdisstd(io->fd) && lseek(io->fd, io->seek, SEEK_SET) != -1))
return;
@ -215,7 +213,7 @@ oserr(char *s){
/* Prints statistics regarding the use of dj, particularly partially and
* completely read and written records. */
static void
output(struct Io io[2], char *fmt){
printio(char *fmt, struct Io io[2]){
fprintf(stderr, fmt,
io[0].rec, io[0].prec, io[1].rec, io[1].prec,
@ -252,7 +250,7 @@ usage(char *s){
int main(int argc, char *argv[]){
int align; /* low 8b used, negative if no alignment is being done */
int count; /* 0 if dj(1) runs until no more reads are possible */
char *fmt_output; /* == fmt_asv (default) or fmt_human (-H) */
char *fmt; /* == fmt_asv (default) or fmt_human (-H) */
size_t i; /* side of io being modified */
struct Io io[2];
char noerror; /* 0=exits (default) 1=retries on partial reads or writes */
@ -260,7 +258,7 @@ int main(int argc, char *argv[]){
/* Set defaults. */
align = -1;
count = 0;
fmt_output = fmt_asv;
fmt = fmt_asv;
noerror = 0;
for(i = 0; i < 2; ++i){
io[i].bs = 1024 /* 1 KiB */; /* GNU dd(1) default; POSIX says 512B */
@ -288,7 +286,7 @@ int main(int argc, char *argv[]){
break;
return oserr(optarg);
case 'n': noerror = 1; break;
case 'H': fmt_output = fmt_human; break;
case 'H': fmt = fmt_human; break;
case 'a':
if(optarg[0] == '\0' || optarg[1] == '\0'){
align = optarg[0];
@ -298,7 +296,7 @@ int main(int argc, char *argv[]){
case 'c': case 'b': case 's': case 'B': case 'S': /* numbers */
if(c == 'c' && (count = parse(optarg)) >= 0)
break;
i = (c >= 'A' && c <= 'Z'); /* uppercase changes output */
i = (c >= 'A' && c <= 'Z');
c |= 0x20 /* 0b 0010 0000 */; /* (ASCII) make lowercase */
if((c == 'b' && (io[i].bs = parse(optarg)) > 0)
|| (c == 's' && (io[i].seek = parse(optarg)) >= 0))
@ -336,7 +334,7 @@ int main(int argc, char *argv[]){
else if(io[0].bufuse < io[0].bs){
++io[0].prec;
fprintf(stderr, "%s: Partial read:\n\t", program_name);
output(io, fmt_output);
printio(fmt, io);
if(!noerror)
count = 1;
if(align >= 0)
@ -365,7 +363,7 @@ int main(int argc, char *argv[]){
}else if(t > io[1].bufuse && io[1].bufuse > 0){
io[1].prec += 1;
fprintf(stderr, "%s: Partial write:\n\t", program_name);
output(io, fmt_output);
printio(fmt, io);
if(!noerror)
count = 1;
}else if(io[1].bufuse == 0 && t < io[1].bs)
@ -375,7 +373,7 @@ int main(int argc, char *argv[]){
}while(io[0].bufuse > 0);
}while(count == 0 || --count > 0);
output(io, fmt_output);
printio(fmt, io);
return EX_OK;
}