27 |
|
{ |
28 |
|
if (formatval(fmt, s)) |
29 |
|
return(0); |
30 |
< |
if (!strncmp(s, "NCOMP=", 6)) { |
31 |
< |
ncomp = atoi(s+6); |
30 |
> |
if (isncomp(s)) { |
31 |
> |
ncomp = ncompval(s); |
32 |
|
return(-(ncomp <= 0)); |
33 |
|
} |
34 |
|
if (!strncmp(s, "NROWS=", 6)) { |
97 |
|
int y; |
98 |
|
/* check if fseek() useful */ |
99 |
|
if (skip_len > skip_thresh && |
100 |
< |
fseek(fp, (rmin*width + cmin)*elsiz, SEEK_CUR) == 0) { |
100 |
> |
fseek(fp, ((long)rmin*width + cmin)*elsiz, SEEK_CUR) == 0) { |
101 |
> |
off_t curpos; |
102 |
|
buf = (char *)malloc(ncols*elsiz); |
103 |
|
if (!buf) |
104 |
|
goto memerr; |
105 |
+ |
#ifdef NON_POSIX |
106 |
|
for (y = nrows; y-- > 0; ) { |
107 |
|
if (getbinary(buf, elsiz, ncols, fp) != ncols) |
108 |
|
goto readerr; |
114 |
|
return(0); |
115 |
|
} |
116 |
|
} |
117 |
+ |
#else |
118 |
+ |
curpos = ftello(fp); |
119 |
+ |
for (y = nrows; y-- > 0; curpos += width*elsiz) { |
120 |
+ |
if (pread(fileno(fp), buf, ncols*elsiz, |
121 |
+ |
curpos) != ncols*elsiz) |
122 |
+ |
goto readerr; |
123 |
+ |
if (putbinary(buf, elsiz, ncols, stdout) != ncols) |
124 |
+ |
goto writerr; |
125 |
+ |
} |
126 |
+ |
#endif |
127 |
|
free(buf); |
128 |
|
if (fflush(stdout) == EOF) |
129 |
|
goto writerr; |
134 |
|
goto memerr; |
135 |
|
/* skip rows as requested */ |
136 |
|
if (skip_len > skip_thresh || |
137 |
< |
(rmin && fseek(fp, rmin*width*elsiz, SEEK_CUR) < 0)) |
137 |
> |
(rmin && fseek(fp, (long)rmin*width*elsiz, SEEK_CUR) < 0)) |
138 |
|
for (y = 0; y < rmin; y++) |
139 |
|
if (getbinary(buf, elsiz, width, fp) != width) |
140 |
|
goto readerr; |
163 |
|
|
164 |
|
/* Read (and copy) specified number of white-space-separated words */ |
165 |
|
static int |
166 |
< |
readwords(FILE *finp, int nwords, FILE *fout) |
166 |
> |
readwords(FILE *finp, long nwords, FILE *fout) |
167 |
|
{ |
168 |
|
while (nwords-- > 0) { |
169 |
|
int c; |
192 |
|
SET_FILE_TEXT(fp); /* started as binary */ |
193 |
|
SET_FILE_TEXT(stdout); |
194 |
|
/* skip rows as requested */ |
195 |
< |
if (readwords(fp, rmin*width*ncomp, NULL) < 0) |
195 |
> |
if (readwords(fp, (long)rmin*width*ncomp, NULL) < 0) |
196 |
|
goto io_err; |
197 |
|
for (y = 0; y < nrows; y++) { /* copy part */ |
198 |
|
if (readwords(fp, cmin*ncomp, NULL) < 0) |
269 |
|
cmin = atoi(argv[2]); |
270 |
|
nrows = atoi(argv[3]); |
271 |
|
ncols = atoi(argv[4]); |
272 |
< |
if ((rmin < 0) | (cmin < 0) | (nrows < 0) | (ncols < 0)) |
272 |
> |
if ((rmin < 0) | (cmin < 0)) |
273 |
|
goto usage; |
274 |
|
if (argc <= 5) |
275 |
|
SET_FILE_BINARY(fp); |
301 |
|
fputs(": missing input dimensions\n", stderr); |
302 |
|
return(1); |
303 |
|
} |
304 |
< |
if (!nrows) |
305 |
< |
nrows = numscans(&res) - rmin; |
306 |
< |
if (!ncols) |
307 |
< |
ncols = scanlen(&res) - cmin; |
304 |
> |
if (nrows <= 0 ) |
305 |
> |
nrows += numscans(&res) - rmin; |
306 |
> |
if (ncols <= 0) |
307 |
> |
ncols += scanlen(&res) - cmin; |
308 |
|
if ((nrows <= 0) | (ncols <= 0) | |
309 |
|
(rmin+nrows > numscans(&res)) | |
310 |
|
(cmin+ncols > scanlen(&res))) { |
321 |
|
if (gotdims) /* dimensions + format */ |
322 |
|
printf("NROWS=%d\nNCOLS=%d\n", nrows, ncols); |
323 |
|
if (ncomp) |
324 |
< |
printf("NCOMP=%d\n", ncomp); |
324 |
> |
fputncomp(ncomp, stdout); |
325 |
|
fputformat(fmt, stdout); /* will align bytes if it can */ |
326 |
|
fputc('\n', stdout); /* end of new header */ |
327 |
|
if (!gotdims) { /* add resolution string? */ |
351 |
|
asiz = -1; |
352 |
|
if (!ncomp) ncomp = 3; |
353 |
|
else ncomp *= (ncomp == 3); |
354 |
+ |
} else if (!strcmp(fmt, SPECFMT)) { |
355 |
+ |
asiz = ncomp+1; |
356 |
+ |
ncomp = 1; /* XXX assumes uncompressed */ |
357 |
|
} else if (strcasecmp(fmt, "ascii")) { |
358 |
|
fputs(progname, stderr); |
359 |
|
fputs(": unsupported format - ", stderr); |