fmt.c (9b50d9027575220cb6dd09b3e62f03f511e908b8) fmt.c (d293af2d2ecc6f8c0abeee6a7c87829f686b10c1)
1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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129 * Read up characters from the passed input file, forming lines,
130 * doing ^H processing, expanding tabs, stripping trailing blanks,
131 * and sending each line down for analysis.
132 */
133fmt(fi)
134 FILE *fi;
135{
136 char linebuf[BUFSIZ], canonb[BUFSIZ];
1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 120 unchanged lines hidden (view full) ---

129 * Read up characters from the passed input file, forming lines,
130 * doing ^H processing, expanding tabs, stripping trailing blanks,
131 * and sending each line down for analysis.
132 */
133fmt(fi)
134 FILE *fi;
135{
136 char linebuf[BUFSIZ], canonb[BUFSIZ];
137 register char *cp, *cp2;
137 register char *cp, *cp2, cc;
138 register int c, col;
139
140 c = getc(fi);
141 while (c != EOF) {
142 /*
143 * Collect a line, doing ^H processing.
144 * Leave tabs for now.
145 */
146 cp = linebuf;
147 while (c != '\n' && c != EOF && cp-linebuf < BUFSIZ-1) {
148 if (c == '\b') {
149 if (cp > linebuf)
150 cp--;
151 c = getc(fi);
152 continue;
153 }
138 register int c, col;
139
140 c = getc(fi);
141 while (c != EOF) {
142 /*
143 * Collect a line, doing ^H processing.
144 * Leave tabs for now.
145 */
146 cp = linebuf;
147 while (c != '\n' && c != EOF && cp-linebuf < BUFSIZ-1) {
148 if (c == '\b') {
149 if (cp > linebuf)
150 cp--;
151 c = getc(fi);
152 continue;
153 }
154 if ((c < ' ' || c >= 0177) && c != '\t') {
154 if (!isprint(c) && c != '\t') {
155 c = getc(fi);
156 continue;
157 }
158 *cp++ = c;
159 c = getc(fi);
160 }
161 *cp = '\0';
162

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167 c = getc(fi);
168
169 /*
170 * Expand tabs on the way to canonb.
171 */
172 col = 0;
173 cp = linebuf;
174 cp2 = canonb;
155 c = getc(fi);
156 continue;
157 }
158 *cp++ = c;
159 c = getc(fi);
160 }
161 *cp = '\0';
162

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167 c = getc(fi);
168
169 /*
170 * Expand tabs on the way to canonb.
171 */
172 col = 0;
173 cp = linebuf;
174 cp2 = canonb;
175 while (c = *cp++) {
176 if (c != '\t') {
175 while (cc = *cp++) {
176 if (cc != '\t') {
177 col++;
178 if (cp2-canonb < BUFSIZ-1)
177 col++;
178 if (cp2-canonb < BUFSIZ-1)
179 *cp2++ = c;
179 *cp2++ = cc;
180 continue;
181 }
182 do {
183 if (cp2-canonb < BUFSIZ-1)
184 *cp2++ = ' ';
185 col++;
186 } while ((col & 07) != 0);
187 }

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206 * it on a line by itself.
207 */
208prefix(line)
209 char line[];
210{
211 register char *cp, **hp;
212 register int np, h;
213
180 continue;
181 }
182 do {
183 if (cp2-canonb < BUFSIZ-1)
184 *cp2++ = ' ';
185 col++;
186 } while ((col & 07) != 0);
187 }

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206 * it on a line by itself.
207 */
208prefix(line)
209 char line[];
210{
211 register char *cp, **hp;
212 register int np, h;
213
214 if (strlen(line) == 0) {
214 if (!*line) {
215 oflush();
216 putchar('\n');
217 return;
218 }
219 for (cp = line; *cp == ' '; cp++)
220 ;
221 np = cp - line;
222

--- 245 unchanged lines hidden --- 		215 oflush();
216 putchar('\n');
217 return;
218 }
219 for (cp = line; *cp == ' '; cp++)
220 ;
221 np = cp - line;
222

--- 245 unchanged lines hidden ---