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#ifndef lint |
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static const char RCSid[] = "$Id$"; |
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+ |
#endif |
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/* |
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* Function to open floating-point depth file, making sure it's |
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* the correct length, and converting from encoded 16-bit |
| 22 |
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{ |
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int fd = open(fname, O_RDONLY|O_BINARY); |
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|
| 25 |
< |
if (fd < 0) |
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> |
if (fd < 0) { |
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> |
fprintf(stderr, "%s: cannot open for reading\n", fname); |
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return(-1); |
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+ |
} |
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if (expected_length > 0) { |
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off_t flen = lseek(fd, 0, SEEK_END); |
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if (flen != expected_length*sizeof(float)) { |
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ssize_t n, nleft; |
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int fd = open(fname, O_RDONLY); |
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|
| 60 |
< |
if (fd < 0) |
| 60 |
> |
if (fd < 0) { |
| 61 |
> |
perror(fname); |
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return(-1); |
| 63 |
+ |
} |
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dc.finp = NULL; |
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if (expected_length <= 0) { /* need to sniff file? */ |
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extern const char HDRSTR[]; |
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const int len = strlen(HDRSTR); |
| 68 |
< |
n = read(fd, buf, len+1); |
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< |
if (n < len+1) |
| 63 |
< |
goto gotEOF; |
| 68 |
> |
if (read(fd, buf, len+1) < len+1) |
| 69 |
> |
goto badEOF; |
| 70 |
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if (lseek(fd, 0, SEEK_SET) != 0) |
| 71 |
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goto seek_error; |
| 72 |
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for (n = 0; n < len; n++) |
| 73 |
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if (buf[n] != HDRSTR[n]) |
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break; |
| 75 |
< |
if (n < len || !isprint(buf[len])) |
| 75 |
> |
if ((n < len) | !isprint(buf[len])) |
| 76 |
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return(fd); /* unknown length raw float... */ |
| 77 |
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} else { |
| 78 |
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off_t flen = lseek(fd, 0, SEEK_END); |
| 95 |
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fclose(dc.finp); /* already reported error */ |
| 96 |
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return(-1); |
| 97 |
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} |
| 98 |
< |
if (expected_length > 0 && (long)dc.res.xr*dc.res.yr != expected_length) { |
| 98 |
> |
if ((expected_length > 0) & |
| 99 |
> |
((long)dc.res.xr*dc.res.yr != expected_length)) { |
| 100 |
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fprintf(stderr, "%s: expected length is %ld, actual length is %ld\n", |
| 101 |
< |
fname, (long)expected_length, (long)dc.res.xr*dc.res.yr); |
| 101 |
> |
fname, expected_length, (long)dc.res.xr*dc.res.yr); |
| 102 |
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fclose(dc.finp); |
| 103 |
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return(-1); |
| 104 |
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} |
| 105 |
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strcpy(buf, TEMPLATE); /* create temporary file to hold raw */ |
| 106 |
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fd = mkstemp(buf); |
| 107 |
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if (fd < 0) { |
| 108 |
< |
fputs(buf, stderr); |
| 102 |
< |
fputs(": cannot create temporary file\n", stderr); |
| 108 |
> |
perror(buf); |
| 109 |
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fclose(dc.finp); |
| 110 |
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return(-1); |
| 111 |
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} |
| 112 |
< |
unlink(buf); /* unlink it now (Windows forbids) */ |
| 112 |
> |
unlink(buf); /* preemptive remove (Windows forbids) */ |
| 113 |
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for (nleft = (ssize_t)dc.res.xr*dc.res.yr; nleft > 0; nleft -= FBUFLEN) { |
| 114 |
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for (n = 0; n < FBUFLEN; n++) { |
| 115 |
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double d = decode_depth_next(&dc); |
| 116 |
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if (d < 0) { |
| 117 |
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if (n < nleft) |
| 118 |
< |
goto gotEOF; |
| 118 |
> |
goto badEOF; |
| 119 |
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break; |
| 120 |
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} |
| 121 |
< |
((float *)buf)[n] = (float)d; |
| 121 |
> |
((float *)buf)[n] = d; |
| 122 |
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} |
| 123 |
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n *= sizeof(float); |
| 124 |
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if (write(fd, buf, n) != n) { |
| 132 |
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if (lseek(fd, 0, SEEK_SET) != 0) |
| 133 |
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goto seek_error; |
| 134 |
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return(fd); |
| 135 |
< |
gotEOF: |
| 135 |
> |
badEOF: |
| 136 |
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fputs(fname, stderr); |
| 137 |
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fputs(": unexpected end-of-file\n", stderr); |
| 138 |
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if (dc.finp) fclose(dc.finp); |
| 144 |
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return(-1); |
| 145 |
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} |
| 146 |
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|
| 147 |
< |
#endif |
| 147 |
> |
#endif |
