1 |
greg |
1.1 |
#ifndef lint |
2 |
greg |
1.9 |
static const char RCSid[] = "$Id: rsplit.c,v 1.8 2019/07/22 18:01:03 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
|
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/* |
5 |
|
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* rsplit.c - split input into multiple output streams |
6 |
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* |
7 |
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* 7/4/19 Greg Ward |
8 |
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*/ |
9 |
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10 |
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#include <ctype.h> |
11 |
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12 |
greg |
1.6 |
#include "rtio.h" |
13 |
greg |
1.1 |
#include "platform.h" |
14 |
greg |
1.9 |
#include "paths.h" |
15 |
greg |
1.1 |
#include "resolu.h" |
16 |
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|
17 |
|
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#define DOHEADER 1 |
18 |
|
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#define DORESOLU 2 |
19 |
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|
20 |
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#define MAXFILE 512 /* maximum number of files */ |
21 |
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22 |
greg |
1.7 |
static FILE *output[MAXFILE]; |
23 |
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static int bytsiz[MAXFILE]; |
24 |
|
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static short hdrflags[MAXFILE]; |
25 |
|
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static const char *format[MAXFILE]; |
26 |
|
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static int termc[MAXFILE]; |
27 |
|
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static int nfiles = 0; |
28 |
greg |
1.1 |
|
29 |
greg |
1.7 |
static RESOLU ourres = {PIXSTANDARD, 0, 0}; |
30 |
greg |
1.1 |
|
31 |
greg |
1.7 |
static char buf[16384]; /* input buffer used in scanOK() */ |
32 |
greg |
1.1 |
|
33 |
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|
34 |
|
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/* process header line */ |
35 |
|
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static int |
36 |
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headline(char *s, void *p) |
37 |
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{ |
38 |
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extern const char FMTSTR[]; |
39 |
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int i = nfiles; |
40 |
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|
41 |
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if (strstr(s, FMTSTR) == s) |
42 |
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return(0); /* don't copy format */ |
43 |
|
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if (!strncmp(s, "NROWS=", 6)) |
44 |
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return(0); |
45 |
|
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if (!strncmp(s, "NCOLS=", 6)) |
46 |
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return(0); |
47 |
|
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if (!strncmp(s, "NCOMP=", 6)) |
48 |
|
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return(0); |
49 |
|
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while (i--) /* else copy line to output streams */ |
50 |
|
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if (hdrflags[i] & DOHEADER) |
51 |
|
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fputs(s, output[i]); |
52 |
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return(1); |
53 |
|
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} |
54 |
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55 |
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56 |
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/* scan field into buffer up to and including terminating byte */ |
57 |
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static int |
58 |
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scanOK(int termc) |
59 |
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{ |
60 |
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char *cp = buf; |
61 |
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int c; |
62 |
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|
63 |
|
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while ((c = getchar()) != EOF) { |
64 |
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*cp++ = c; |
65 |
|
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if (cp-buf >= sizeof(buf)) |
66 |
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break; |
67 |
|
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if (c == termc) { |
68 |
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*cp = '\0'; |
69 |
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return(cp-buf); |
70 |
|
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} |
71 |
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} |
72 |
|
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return(0); |
73 |
|
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} |
74 |
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|
75 |
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|
76 |
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int |
77 |
|
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main(int argc, char *argv[]) |
78 |
|
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{ |
79 |
greg |
1.8 |
int inpflags = 0; |
80 |
|
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int needres = 0; |
81 |
greg |
1.1 |
int force = 0; |
82 |
|
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int append = 0; |
83 |
|
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long outcnt = 0; |
84 |
|
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int bininp = 0; |
85 |
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int curterm = '\n'; |
86 |
|
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int curbytes = 0; |
87 |
|
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int curflags = 0; |
88 |
|
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const char *curfmt = "ascii"; |
89 |
|
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int i; |
90 |
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|
91 |
|
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for (i = 1; i < argc; i++) { |
92 |
|
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if (argv[i][0] == '-') { |
93 |
|
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switch (argv[i][1]) { |
94 |
|
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case 't': |
95 |
|
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curterm = argv[i][2]; |
96 |
greg |
1.5 |
if (!curterm) curterm = '\n'; |
97 |
greg |
1.1 |
break; |
98 |
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case 'i': |
99 |
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switch (argv[i][2]) { |
100 |
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case 'h': |
101 |
greg |
1.8 |
inpflags ^= DOHEADER; |
102 |
greg |
1.1 |
break; |
103 |
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case 'H': |
104 |
greg |
1.8 |
inpflags ^= DORESOLU; |
105 |
greg |
1.1 |
break; |
106 |
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default: |
107 |
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goto badopt; |
108 |
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} |
109 |
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break; |
110 |
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case 'f': |
111 |
greg |
1.8 |
force = !force; |
112 |
greg |
1.1 |
break; |
113 |
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case 'a': |
114 |
greg |
1.8 |
append = !append; |
115 |
greg |
1.1 |
break; |
116 |
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case 'x': |
117 |
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ourres.xr = atoi(argv[++i]); |
118 |
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break; |
119 |
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case 'y': |
120 |
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ourres.yr = atoi(argv[++i]); |
121 |
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break; |
122 |
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case 'o': |
123 |
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switch (argv[i][2]) { |
124 |
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case 'n': |
125 |
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outcnt = atol(argv[++i]); |
126 |
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continue; |
127 |
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case 'h': |
128 |
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curflags ^= DOHEADER; |
129 |
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continue; |
130 |
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case 'H': |
131 |
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curflags ^= DORESOLU; |
132 |
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continue; |
133 |
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case 'f': |
134 |
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curfmt = "float"; |
135 |
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curbytes = sizeof(float); |
136 |
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break; |
137 |
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case 'd': |
138 |
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curfmt = "double"; |
139 |
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curbytes = sizeof(double); |
140 |
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break; |
141 |
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case 'i': |
142 |
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curfmt = "int"; |
143 |
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curbytes = sizeof(int); |
144 |
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break; |
145 |
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case 'w': |
146 |
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curfmt = "16-bit"; |
147 |
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curbytes = 2; |
148 |
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break; |
149 |
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case 'b': |
150 |
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curfmt = "byte"; |
151 |
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curbytes = 1; |
152 |
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break; |
153 |
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case 'a': |
154 |
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curfmt = "ascii"; |
155 |
greg |
1.7 |
curbytes = -1; |
156 |
greg |
1.1 |
break; |
157 |
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default: |
158 |
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goto badopt; |
159 |
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} |
160 |
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if (isdigit(argv[i][3])) |
161 |
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curbytes *= atoi(argv[i]+3); |
162 |
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curbytes += (curbytes == -1); |
163 |
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if (curbytes > (int)sizeof(buf)) { |
164 |
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fputs(argv[0], stderr); |
165 |
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fputs(": output size too big\n", stderr); |
166 |
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return(1); |
167 |
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} |
168 |
greg |
1.7 |
bininp += (curbytes > 0); |
169 |
greg |
1.1 |
break; |
170 |
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case '\0': |
171 |
greg |
1.8 |
needres |= (curflags & DORESOLU); |
172 |
greg |
1.1 |
termc[nfiles] = curterm; |
173 |
|
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hdrflags[nfiles] = curflags; |
174 |
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output[nfiles] = stdout; |
175 |
|
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if (curbytes > 0) |
176 |
|
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SET_FILE_BINARY(output[nfiles]); |
177 |
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format[nfiles] = curfmt; |
178 |
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bytsiz[nfiles++] = curbytes; |
179 |
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break; |
180 |
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badopt:; |
181 |
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default: |
182 |
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fputs(argv[0], stderr); |
183 |
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fputs(": bad option\n", stderr); |
184 |
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return(1); |
185 |
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} |
186 |
|
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} else if (argv[i][0] == '!') { |
187 |
greg |
1.8 |
needres |= (curflags & DORESOLU); |
188 |
greg |
1.1 |
termc[nfiles] = curterm; |
189 |
|
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hdrflags[nfiles] = curflags; |
190 |
|
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if ((output[nfiles] = popen(argv[i]+1, "w")) == NULL) { |
191 |
|
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fputs(argv[i], stderr); |
192 |
|
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fputs(": cannot start command\n", stderr); |
193 |
|
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return(1); |
194 |
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} |
195 |
|
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if (curbytes > 0) |
196 |
|
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SET_FILE_BINARY(output[nfiles]); |
197 |
|
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format[nfiles] = curfmt; |
198 |
|
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bytsiz[nfiles++] = curbytes; |
199 |
|
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} else { |
200 |
greg |
1.8 |
if (append & (curflags != 0)) { |
201 |
|
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fputs(argv[0], stderr); |
202 |
|
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fputs(": -a option incompatible with -oh and -oH\n", |
203 |
|
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stderr); |
204 |
|
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return(1); |
205 |
|
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} |
206 |
|
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needres |= (curflags & DORESOLU); |
207 |
greg |
1.1 |
termc[nfiles] = curterm; |
208 |
|
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hdrflags[nfiles] = curflags; |
209 |
|
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if (!append & !force && access(argv[i], F_OK) == 0) { |
210 |
|
|
fputs(argv[i], stderr); |
211 |
|
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fputs(": file exists -- use -f to overwrite\n", |
212 |
|
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stderr); |
213 |
|
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return(1); |
214 |
|
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} |
215 |
|
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output[nfiles] = fopen(argv[i], append ? "a" : "w"); |
216 |
|
|
if (output[nfiles] == NULL) { |
217 |
|
|
fputs(argv[i], stderr); |
218 |
|
|
fputs(": cannot open for output\n", stderr); |
219 |
|
|
return(1); |
220 |
|
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} |
221 |
|
|
if (curbytes > 0) |
222 |
|
|
SET_FILE_BINARY(output[nfiles]); |
223 |
|
|
format[nfiles] = curfmt; |
224 |
|
|
bytsiz[nfiles++] = curbytes; |
225 |
|
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} |
226 |
|
|
if (nfiles >= MAXFILE) { |
227 |
|
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fputs(argv[0], stderr); |
228 |
|
|
fputs(": too many output streams\n", stderr); |
229 |
|
|
return(1); |
230 |
|
|
} |
231 |
|
|
} |
232 |
|
|
if (!nfiles) { |
233 |
|
|
fputs(argv[0], stderr); |
234 |
|
|
fputs(": no output streams\n", stderr); |
235 |
|
|
return(1); |
236 |
|
|
} |
237 |
|
|
if (bininp) /* binary input? */ |
238 |
|
|
SET_FILE_BINARY(stdin); |
239 |
|
|
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
240 |
|
|
flockfile(stdin); |
241 |
|
|
for (i = nfiles; i--; ) |
242 |
|
|
flockfile(output[i]); |
243 |
|
|
#endif |
244 |
|
|
/* load/copy header */ |
245 |
greg |
1.8 |
if (inpflags & DOHEADER && getheader(stdin, headline, NULL) < 0) { |
246 |
greg |
1.1 |
fputs(argv[0], stderr); |
247 |
|
|
fputs(": cannot get header from standard input\n", |
248 |
|
|
stderr); |
249 |
|
|
return(1); |
250 |
|
|
} |
251 |
|
|
/* handle resolution string */ |
252 |
greg |
1.8 |
if (inpflags & DORESOLU && !fgetsresolu(&ourres, stdin)) { |
253 |
greg |
1.1 |
fputs(argv[0], stderr); |
254 |
|
|
fputs(": cannot get resolution string from standard input\n", |
255 |
|
|
stderr); |
256 |
|
|
return(1); |
257 |
|
|
} |
258 |
greg |
1.8 |
if (needres && (ourres.xr <= 0) | (ourres.yr <= 0)) { |
259 |
greg |
1.1 |
fputs(argv[0], stderr); |
260 |
|
|
fputs(": -oH option requires -iH or -x and -y options\n", stderr); |
261 |
|
|
return(1); |
262 |
|
|
} |
263 |
|
|
if ((ourres.xr > 0) & (ourres.yr > 0)) { |
264 |
|
|
if (outcnt <= 0) { |
265 |
|
|
outcnt = ourres.xr * ourres.yr; |
266 |
|
|
} else if (outcnt != ourres.xr*ourres.yr) { |
267 |
|
|
fputs(argv[0], stderr); |
268 |
|
|
fputs(": warning: -on option does not agree with resolution\n", |
269 |
|
|
stderr); |
270 |
|
|
} |
271 |
|
|
} |
272 |
|
|
for (i = 0; i < nfiles; i++) { /* complete headers */ |
273 |
|
|
if (hdrflags[i] & DOHEADER) { |
274 |
greg |
1.8 |
if (!(inpflags & DOHEADER)) |
275 |
greg |
1.1 |
newheader("RADIANCE", output[i]); |
276 |
|
|
printargs(argc, argv, output[i]); |
277 |
|
|
if (format[i] != NULL) |
278 |
|
|
fputformat(format[i], output[i]); |
279 |
|
|
fputc('\n', output[i]); |
280 |
|
|
} |
281 |
|
|
if (hdrflags[i] & DORESOLU) |
282 |
|
|
fputsresolu(&ourres, output[i]); |
283 |
|
|
} |
284 |
|
|
do { /* main loop */ |
285 |
|
|
for (i = 0; i < nfiles; i++) { |
286 |
|
|
if (bytsiz[i] > 0) { /* binary output */ |
287 |
|
|
if (getbinary(buf, bytsiz[i], 1, stdin) < 1) |
288 |
|
|
break; |
289 |
greg |
1.7 |
if (putbinary(buf, bytsiz[i], 1, output[i]) < 1) |
290 |
greg |
1.4 |
break; |
291 |
greg |
1.1 |
} else if (bytsiz[i] < 0) { /* N-field output */ |
292 |
|
|
int n = -bytsiz[i]; |
293 |
|
|
while (n--) { |
294 |
|
|
if (!scanOK(termc[i])) |
295 |
|
|
break; |
296 |
greg |
1.4 |
if (fputs(buf, output[i]) == EOF) |
297 |
|
|
break; |
298 |
greg |
1.1 |
} |
299 |
|
|
if (n >= 0) /* fell short? */ |
300 |
|
|
break; |
301 |
greg |
1.4 |
if (termc[i] != '\n') /* add EOL if none */ |
302 |
|
|
fputc('\n', output[i]); |
303 |
greg |
1.1 |
} else { /* 1-field output */ |
304 |
|
|
if (!scanOK(termc[i])) |
305 |
|
|
break; |
306 |
greg |
1.4 |
if (fputs(buf, output[i]) == EOF) |
307 |
|
|
break; |
308 |
|
|
if (termc[i] != '\n') /* add EOL if none */ |
309 |
|
|
fputc('\n', output[i]); |
310 |
greg |
1.1 |
} |
311 |
greg |
1.7 |
/* skip input EOL? */ |
312 |
|
|
if (!bininp && termc[nfiles-1] != '\n') { |
313 |
|
|
int c = getchar(); |
314 |
|
|
if ((c != '\n') & (c != EOF)) |
315 |
|
|
ungetc(c, stdin); |
316 |
|
|
} |
317 |
greg |
1.1 |
} |
318 |
|
|
if (i < nfiles) |
319 |
|
|
break; |
320 |
|
|
} while (--outcnt); |
321 |
greg |
1.2 |
/* check ending */ |
322 |
greg |
1.3 |
if (fflush(NULL) == EOF) { |
323 |
|
|
fputs(argv[0], stderr); |
324 |
|
|
fputs(": write error on one or more outputs\n", stderr); |
325 |
|
|
return(1); |
326 |
|
|
} |
327 |
greg |
1.4 |
if (outcnt > 0) { |
328 |
|
|
fputs(argv[0], stderr); |
329 |
|
|
fputs(": warning: premature EOD\n", stderr); |
330 |
|
|
} |
331 |
greg |
1.1 |
return(0); |
332 |
|
|
} |