| 61 |
|
if (expected_length <= 0) { /* need to sniff file? */ |
| 62 |
|
extern const char HDRSTR[]; |
| 63 |
|
const int len = strlen(HDRSTR); |
| 64 |
< |
n = read(fd, buf, len+1); |
| 65 |
< |
if (n < len+1) |
| 64 |
> |
if (read(fd, buf, len+1) < len+1) |
| 65 |
|
goto gotEOF; |
| 66 |
|
if (lseek(fd, 0, SEEK_SET) != 0) |
| 67 |
|
goto seek_error; |
| 68 |
|
for (n = 0; n < len; n++) |
| 69 |
|
if (buf[n] != HDRSTR[n]) |
| 70 |
|
break; |
| 71 |
< |
if (n < len || !isprint(buf[len])) |
| 71 |
> |
if ((n < len) | !isprint(buf[len])) |
| 72 |
|
return(fd); /* unknown length raw float... */ |
| 73 |
|
} else { |
| 74 |
|
off_t flen = lseek(fd, 0, SEEK_END); |
| 91 |
|
fclose(dc.finp); /* already reported error */ |
| 92 |
|
return(-1); |
| 93 |
|
} |
| 94 |
< |
if (expected_length > 0 && (long)dc.res.xr*dc.res.yr != expected_length) { |
| 94 |
> |
if ((expected_length > 0) & |
| 95 |
> |
((long)dc.res.xr*dc.res.yr != expected_length)) { |
| 96 |
|
fprintf(stderr, "%s: expected length is %ld, actual length is %ld\n", |
| 97 |
< |
fname, (long)expected_length, (long)dc.res.xr*dc.res.yr); |
| 97 |
> |
fname, expected_length, (long)dc.res.xr*dc.res.yr); |
| 98 |
|
fclose(dc.finp); |
| 99 |
|
return(-1); |
| 100 |
|
} |
| 101 |
|
strcpy(buf, TEMPLATE); /* create temporary file to hold raw */ |
| 102 |
|
fd = mkstemp(buf); |
| 103 |
|
if (fd < 0) { |
| 104 |
< |
fputs(buf, stderr); |
| 105 |
< |
fputs(": cannot create temporary file\n", stderr); |
| 104 |
> |
perror(buf); |
| 105 |
|
fclose(dc.finp); |
| 106 |
|
return(-1); |
| 107 |
|
} |
| 108 |
< |
unlink(buf); /* unlink it now (Windows forbids) */ |
| 108 |
> |
unlink(buf); /* preemptive remove (Windows forbids) */ |
| 109 |
|
for (nleft = (ssize_t)dc.res.xr*dc.res.yr; nleft > 0; nleft -= FBUFLEN) { |
| 110 |
|
for (n = 0; n < FBUFLEN; n++) { |
| 111 |
|
double d = decode_depth_next(&dc); |
| 114 |
|
goto gotEOF; |
| 115 |
|
break; |
| 116 |
|
} |
| 117 |
< |
((float *)buf)[n] = (float)d; |
| 117 |
> |
((float *)buf)[n] = d; |
| 118 |
|
} |
| 119 |
|
n *= sizeof(float); |
| 120 |
|
if (write(fd, buf, n) != n) { |