7 |
|
* 7/14/88 Greg Ward |
8 |
|
*/ |
9 |
|
|
10 |
< |
#include <stdlib.h> |
11 |
< |
#include <string.h> |
12 |
< |
#include <stdio.h> |
10 |
> |
#include <ctype.h> |
11 |
|
|
12 |
+ |
#include "rtio.h" |
13 |
|
#include "platform.h" |
14 |
< |
#include "rtprocess.h" |
14 |
> |
#include "paths.h" |
15 |
|
|
16 |
< |
#define MAXFILE 16 /* maximum number of files */ |
16 |
> |
#define MAXLINE 262144 /* maximum input line */ |
17 |
|
|
18 |
< |
#define MAXLINE 512 /* maximum input line */ |
18 |
> |
struct instream { /* structure to hold input stream info */ |
19 |
> |
FILE *input; /* input stream */ |
20 |
> |
int bytsiz; /* bytes/component if binary */ |
21 |
> |
char *tabc; /* data separation string */ |
22 |
> |
} *rifile = NULL; |
23 |
|
|
24 |
< |
FILE *input[MAXFILE]; |
22 |
< |
int tabc[MAXFILE]; |
23 |
< |
int nfiles; |
24 |
> |
int nfiles = 0; |
25 |
|
|
26 |
|
char buf[MAXLINE]; |
27 |
|
|
28 |
< |
main(argc, argv) |
29 |
< |
int argc; |
29 |
< |
char *argv[]; |
28 |
> |
int |
29 |
> |
main(int argc, char *argv[]) |
30 |
|
{ |
31 |
< |
register int i; |
32 |
< |
int curtab; |
33 |
< |
int running; |
31 |
> |
long incnt = 0; |
32 |
> |
int unbuff = 0; |
33 |
> |
int binout = 0; |
34 |
> |
char *curtab = "\t"; |
35 |
> |
int curbytes = 0; |
36 |
> |
int puteol; |
37 |
> |
int i; |
38 |
|
|
39 |
< |
curtab = '\t'; |
40 |
< |
nfiles = 0; |
39 |
> |
rifile = (struct instream *)calloc(argc-1, sizeof(struct instream)); |
40 |
> |
if (!rifile) { |
41 |
> |
fputs(argv[0], stderr); |
42 |
> |
fputs(": not enough memory\n", stderr); |
43 |
> |
return(1); |
44 |
> |
} |
45 |
|
for (i = 1; i < argc; i++) { |
46 |
|
if (argv[i][0] == '-') { |
47 |
|
switch (argv[i][1]) { |
48 |
|
case 't': |
49 |
< |
curtab = argv[i][2]; |
49 |
> |
curtab = argv[i]+2; |
50 |
> |
if (!*curtab) curtab = "\n"; |
51 |
|
break; |
52 |
+ |
case 'u': |
53 |
+ |
unbuff = !unbuff; |
54 |
+ |
break; |
55 |
+ |
case 'i': |
56 |
+ |
switch (argv[i][2]) { |
57 |
+ |
case 'n': |
58 |
+ |
incnt = atol(argv[++i]); |
59 |
+ |
break; |
60 |
+ |
case 'f': |
61 |
+ |
case 'F': |
62 |
+ |
curbytes = sizeof(float); |
63 |
+ |
break; |
64 |
+ |
case 'd': |
65 |
+ |
case 'D': |
66 |
+ |
curbytes = sizeof(double); |
67 |
+ |
break; |
68 |
+ |
case 'i': |
69 |
+ |
case 'I': |
70 |
+ |
curbytes = sizeof(int); |
71 |
+ |
break; |
72 |
+ |
case 'w': |
73 |
+ |
case 'W': |
74 |
+ |
curbytes = 2; |
75 |
+ |
break; |
76 |
+ |
case 'b': |
77 |
+ |
curbytes = 1; |
78 |
+ |
break; |
79 |
+ |
case 'a': |
80 |
+ |
curbytes = argv[i][3] ? -1 : 0; |
81 |
+ |
break; |
82 |
+ |
default: |
83 |
+ |
goto badopt; |
84 |
+ |
} |
85 |
+ |
if (isdigit(argv[i][3])) |
86 |
+ |
curbytes *= atoi(argv[i]+3); |
87 |
+ |
curbytes += (curbytes == -1); |
88 |
+ |
if (curbytes > MAXLINE) { |
89 |
+ |
fputs(argv[0], stderr); |
90 |
+ |
fputs(": input size too big\n", stderr); |
91 |
+ |
return(1); |
92 |
+ |
} |
93 |
+ |
if (curbytes > 0) { |
94 |
+ |
curtab = ""; |
95 |
+ |
++binout; |
96 |
+ |
} |
97 |
+ |
break; |
98 |
|
case '\0': |
99 |
< |
tabc[nfiles] = curtab; |
100 |
< |
input[nfiles++] = stdin; |
99 |
> |
rifile[nfiles].tabc = curtab; |
100 |
> |
rifile[nfiles].input = stdin; |
101 |
> |
if (curbytes > 0) |
102 |
> |
SET_FILE_BINARY(rifile[nfiles].input); |
103 |
> |
rifile[nfiles++].bytsiz = curbytes; |
104 |
|
break; |
105 |
+ |
badopt:; |
106 |
|
default: |
107 |
|
fputs(argv[0], stderr); |
108 |
|
fputs(": bad option\n", stderr); |
109 |
< |
exit(1); |
109 |
> |
return(1); |
110 |
|
} |
111 |
|
} else if (argv[i][0] == '!') { |
112 |
< |
tabc[nfiles] = curtab; |
113 |
< |
if ((input[nfiles++] = popen(argv[i]+1, "r")) == NULL) { |
112 |
> |
rifile[nfiles].tabc = curtab; |
113 |
> |
if ((rifile[nfiles].input = popen(argv[i]+1, "r")) == NULL) { |
114 |
|
fputs(argv[i], stderr); |
115 |
|
fputs(": cannot start command\n", stderr); |
116 |
< |
exit(1); |
116 |
> |
return(1); |
117 |
|
} |
118 |
+ |
if (curbytes > 0) |
119 |
+ |
SET_FILE_BINARY(rifile[nfiles].input); |
120 |
+ |
rifile[nfiles++].bytsiz = curbytes; |
121 |
|
} else { |
122 |
< |
tabc[nfiles] = curtab; |
123 |
< |
if ((input[nfiles++] = fopen(argv[i], "r")) == NULL) { |
122 |
> |
rifile[nfiles].tabc = curtab; |
123 |
> |
if ((rifile[nfiles].input = fopen(argv[i], "r")) == NULL) { |
124 |
|
fputs(argv[i], stderr); |
125 |
|
fputs(": cannot open file\n", stderr); |
126 |
< |
exit(1); |
126 |
> |
return(1); |
127 |
|
} |
128 |
+ |
if (curbytes > 0) |
129 |
+ |
SET_FILE_BINARY(rifile[nfiles].input); |
130 |
+ |
rifile[nfiles++].bytsiz = curbytes; |
131 |
|
} |
67 |
– |
if (nfiles >= MAXFILE) { |
68 |
– |
fputs(argv[0], stderr); |
69 |
– |
fputs(": too many input streams\n", stderr); |
70 |
– |
exit(1); |
71 |
– |
} |
132 |
|
} |
133 |
< |
|
134 |
< |
do { |
135 |
< |
running = 0; |
133 |
> |
if (!nfiles) { |
134 |
> |
fputs(argv[0], stderr); |
135 |
> |
fputs(": no input streams\n", stderr); |
136 |
> |
return(1); |
137 |
> |
} /* reduce array to size we need */ |
138 |
> |
rifile = (struct instream *)realloc(rifile, nfiles*sizeof(struct instream)); |
139 |
> |
if (!rifile) { |
140 |
> |
fputs(argv[0], stderr); |
141 |
> |
fputs(": realloc() failed!\n", stderr); |
142 |
> |
return(1); |
143 |
> |
} |
144 |
> |
if (binout) /* binary output? */ |
145 |
> |
SET_FILE_BINARY(stdout); |
146 |
> |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
147 |
> |
for (i = nfiles; i--; ) |
148 |
> |
flockfile(rifile[i].input); |
149 |
> |
flockfile(stdout); |
150 |
> |
#endif |
151 |
> |
puteol = 0; /* any ASCII output at all? */ |
152 |
> |
for (i = nfiles; i--; ) |
153 |
> |
puteol += (rifile[i].bytsiz <= 0); |
154 |
> |
do { /* main loop */ |
155 |
|
for (i = 0; i < nfiles; i++) { |
156 |
< |
if (fgets(buf, MAXLINE, input[i]) != NULL) { |
156 |
> |
if (rifile[i].bytsiz > 0) { /* binary input */ |
157 |
> |
if (getbinary(buf, rifile[i].bytsiz, 1, rifile[i].input) < 1) |
158 |
> |
break; |
159 |
> |
if (putbinary(buf, rifile[i].bytsiz, 1, stdout) != 1) |
160 |
> |
break; |
161 |
> |
} else if (rifile[i].bytsiz < 0) { /* multi-line input */ |
162 |
> |
int n = -rifile[i].bytsiz; |
163 |
> |
while (n--) { |
164 |
> |
if (fgets(buf, MAXLINE, rifile[i].input) == NULL) |
165 |
> |
break; |
166 |
> |
if ((i > 0) | (n < -rifile[i].bytsiz-1)) |
167 |
> |
fputs(rifile[i].tabc, stdout); |
168 |
> |
buf[strlen(buf)-1] = '\0'; |
169 |
> |
if (fputs(buf, stdout) == EOF) |
170 |
> |
break; |
171 |
> |
} |
172 |
> |
if (n >= 0) /* fell short? */ |
173 |
> |
break; |
174 |
> |
} else { /* single-line input */ |
175 |
> |
if (fgets(buf, MAXLINE, rifile[i].input) == NULL) |
176 |
> |
break; |
177 |
|
if (i) |
178 |
< |
putchar(tabc[i]); |
178 |
> |
fputs(rifile[i].tabc, stdout); |
179 |
|
buf[strlen(buf)-1] = '\0'; |
180 |
< |
fputs(buf, stdout); |
181 |
< |
running++; |
180 |
> |
if (fputs(buf, stdout) == EOF) |
181 |
> |
break; |
182 |
|
} |
183 |
|
} |
184 |
< |
if (running) |
184 |
> |
if (i < nfiles) |
185 |
> |
break; |
186 |
> |
if (puteol) |
187 |
|
putchar('\n'); |
188 |
< |
} while (running); |
189 |
< |
|
190 |
< |
exit(0); |
188 |
> |
if (unbuff) |
189 |
> |
fflush(stdout); |
190 |
> |
} while (--incnt); |
191 |
> |
/* check ending */ |
192 |
> |
if (fflush(stdout) == EOF) { |
193 |
> |
fputs(argv[0], stderr); |
194 |
> |
fputs(": write error on standard output\n", stderr); |
195 |
> |
return(1); |
196 |
> |
} |
197 |
> |
if (incnt > 0) { |
198 |
> |
fputs(argv[0], stderr); |
199 |
> |
fputs(": warning: premature EOD\n", stderr); |
200 |
> |
} |
201 |
> |
return(0); |
202 |
|
} |