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greg |
1.1 |
#ifndef lint |
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greg |
1.18 |
static const char RCSid[] = "$Id: lam.c,v 1.17 2016/08/18 00:52:47 greg Exp $"; |
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greg |
1.1 |
#endif |
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/* |
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* lam.c - simple program to laminate files. |
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* |
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* 7/14/88 Greg Ward |
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*/ |
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schorsch |
1.2 |
#include <stdlib.h> |
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#include <string.h> |
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greg |
1.1 |
#include <stdio.h> |
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greg |
1.7 |
#include <ctype.h> |
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schorsch |
1.2 |
|
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#include "platform.h" |
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schorsch |
1.3 |
#include "rtprocess.h" |
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greg |
1.17 |
#include "rtio.h" |
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greg |
1.1 |
|
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greg |
1.7 |
#define MAXFILE 512 /* maximum number of files */ |
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greg |
1.1 |
|
21 |
greg |
1.13 |
#define MAXLINE 65536 /* maximum input line */ |
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greg |
1.1 |
|
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FILE *input[MAXFILE]; |
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greg |
1.7 |
int bytsiz[MAXFILE]; |
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greg |
1.6 |
char *tabc[MAXFILE]; |
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greg |
1.1 |
int nfiles; |
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char buf[MAXLINE]; |
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schorsch |
1.4 |
int |
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greg |
1.1 |
main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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greg |
1.18 |
long incnt = 0; |
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greg |
1.11 |
int unbuff = 0; |
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greg |
1.14 |
int binout = 0; |
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greg |
1.18 |
char *curtab = "\t"; |
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int curbytes = 0; |
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int puteol; |
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greg |
1.11 |
int i; |
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greg |
1.1 |
|
43 |
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nfiles = 0; |
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for (i = 1; i < argc; i++) { |
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if (argv[i][0] == '-') { |
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switch (argv[i][1]) { |
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case 't': |
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greg |
1.6 |
curtab = argv[i]+2; |
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greg |
1.1 |
break; |
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greg |
1.11 |
case 'u': |
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unbuff = !unbuff; |
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break; |
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greg |
1.7 |
case 'i': |
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switch (argv[i][2]) { |
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greg |
1.15 |
case 'n': |
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incnt = atol(argv[++i]); |
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break; |
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greg |
1.7 |
case 'f': |
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curbytes = sizeof(float); |
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break; |
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case 'd': |
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curbytes = sizeof(double); |
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break; |
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greg |
1.10 |
case 'i': |
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curbytes = sizeof(int); |
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break; |
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greg |
1.7 |
case 'w': |
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greg |
1.10 |
curbytes = 2; |
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break; |
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case 'b': |
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curbytes = 1; |
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greg |
1.7 |
break; |
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case 'a': |
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greg |
1.12 |
curbytes = argv[i][3] ? -1 : 0; |
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greg |
1.7 |
break; |
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default: |
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goto badopt; |
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} |
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if (isdigit(argv[i][3])) |
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curbytes *= atoi(argv[i]+3); |
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greg |
1.12 |
if (abs(curbytes) > MAXLINE) { |
82 |
greg |
1.7 |
fputs(argv[0], stderr); |
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greg |
1.12 |
fputs(": input size too big\n", stderr); |
84 |
greg |
1.7 |
exit(1); |
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} |
86 |
greg |
1.14 |
if (curbytes) { |
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greg |
1.8 |
curtab = ""; |
88 |
greg |
1.18 |
binout += (curbytes > 0); |
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greg |
1.14 |
} |
90 |
greg |
1.7 |
break; |
91 |
greg |
1.1 |
case '\0': |
92 |
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tabc[nfiles] = curtab; |
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greg |
1.12 |
input[nfiles] = stdin; |
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if (curbytes > 0) |
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SET_FILE_BINARY(input[nfiles]); |
96 |
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else |
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curbytes = -curbytes; |
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bytsiz[nfiles++] = curbytes; |
99 |
greg |
1.1 |
break; |
100 |
greg |
1.7 |
badopt:; |
101 |
greg |
1.1 |
default: |
102 |
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fputs(argv[0], stderr); |
103 |
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fputs(": bad option\n", stderr); |
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exit(1); |
105 |
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} |
106 |
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} else if (argv[i][0] == '!') { |
107 |
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tabc[nfiles] = curtab; |
108 |
greg |
1.9 |
if ((input[nfiles] = popen(argv[i]+1, "r")) == NULL) { |
109 |
greg |
1.1 |
fputs(argv[i], stderr); |
110 |
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fputs(": cannot start command\n", stderr); |
111 |
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exit(1); |
112 |
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} |
113 |
greg |
1.12 |
if (curbytes > 0) |
114 |
greg |
1.9 |
SET_FILE_BINARY(input[nfiles]); |
115 |
greg |
1.12 |
else |
116 |
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curbytes = -curbytes; |
117 |
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bytsiz[nfiles++] = curbytes; |
118 |
greg |
1.1 |
} else { |
119 |
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tabc[nfiles] = curtab; |
120 |
greg |
1.9 |
if ((input[nfiles] = fopen(argv[i], "r")) == NULL) { |
121 |
greg |
1.1 |
fputs(argv[i], stderr); |
122 |
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fputs(": cannot open file\n", stderr); |
123 |
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exit(1); |
124 |
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} |
125 |
greg |
1.12 |
if (curbytes > 0) |
126 |
greg |
1.9 |
SET_FILE_BINARY(input[nfiles]); |
127 |
greg |
1.12 |
else |
128 |
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curbytes = -curbytes; |
129 |
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bytsiz[nfiles++] = curbytes; |
130 |
greg |
1.1 |
} |
131 |
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if (nfiles >= MAXFILE) { |
132 |
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fputs(argv[0], stderr); |
133 |
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fputs(": too many input streams\n", stderr); |
134 |
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exit(1); |
135 |
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} |
136 |
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} |
137 |
greg |
1.14 |
if (binout) /* binary output? */ |
138 |
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SET_FILE_BINARY(stdout); |
139 |
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#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
140 |
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for (i = nfiles; i--; ) |
141 |
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flockfile(input[i]); |
142 |
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flockfile(stdout); |
143 |
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#endif |
144 |
greg |
1.15 |
puteol = 0; /* any ASCII output at all? */ |
145 |
greg |
1.7 |
for (i = nfiles; i--; ) |
146 |
greg |
1.11 |
if (!bytsiz[i] || isprint(tabc[i][0]) || tabc[i][0] == '\t') { |
147 |
greg |
1.7 |
puteol++; |
148 |
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break; |
149 |
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} |
150 |
greg |
1.16 |
do { /* main loop */ |
151 |
greg |
1.1 |
for (i = 0; i < nfiles; i++) { |
152 |
greg |
1.18 |
if (bytsiz[i]) { /* binary/fixed width */ |
153 |
greg |
1.17 |
if (getbinary(buf, bytsiz[i], 1, input[i]) < 1) |
154 |
greg |
1.11 |
break; |
155 |
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if (i) |
156 |
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fputs(tabc[i], stdout); |
157 |
greg |
1.17 |
putbinary(buf, bytsiz[i], 1, stdout); |
158 |
greg |
1.11 |
} else { |
159 |
|
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if (fgets(buf, MAXLINE, input[i]) == NULL) |
160 |
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break; |
161 |
greg |
1.1 |
if (i) |
162 |
greg |
1.6 |
fputs(tabc[i], stdout); |
163 |
greg |
1.1 |
buf[strlen(buf)-1] = '\0'; |
164 |
|
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fputs(buf, stdout); |
165 |
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} |
166 |
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} |
167 |
greg |
1.11 |
if (i < nfiles) |
168 |
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break; |
169 |
|
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if (puteol) |
170 |
greg |
1.1 |
putchar('\n'); |
171 |
greg |
1.11 |
if (unbuff) |
172 |
|
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fflush(stdout); |
173 |
greg |
1.16 |
} while (--incnt); |
174 |
greg |
1.11 |
return(0); |
175 |
greg |
1.1 |
} |