split.c (8ca5c256cb0a0ac117493557f3fc397f68f16759) split.c (8fb3f3f68288ae2b1b53dd65e3dd673d83c80f4c)
1/* $FreeBSD$
2 */
3#include <stdio.h>
4#include <string.h>
5
6/*
7 - split - divide a string into fields, like awk split()
8 = int split(char *string, char *fields[], int nfields, char *sep);
9 */
10int /* number of fields, including overflow */
11split(string, fields, nfields, sep)
12char *string;
13char *fields[]; /* list is not NULL-terminated */
14int nfields; /* number of entries available in fields[] */
15char *sep; /* "" white, "c" single char, "ab" [ab]+ */
16{
1/* $FreeBSD$
2 */
3#include <stdio.h>
4#include <string.h>
5
6/*
7 - split - divide a string into fields, like awk split()
8 = int split(char *string, char *fields[], int nfields, char *sep);
9 */
10int /* number of fields, including overflow */
11split(string, fields, nfields, sep)
12char *string;
13char *fields[]; /* list is not NULL-terminated */
14int nfields; /* number of entries available in fields[] */
15char *sep; /* "" white, "c" single char, "ab" [ab]+ */
16{
17 register char *p = string;
18 register char c; /* latest character */
19 register char sepc = sep[0];
20 register char sepc2;
21 register int fn;
22 register char **fp = fields;
23 register char *sepp;
24 register int trimtrail;
17 char *p = string;
18 char c; /* latest character */
19 char sepc = sep[0];
20 char sepc2;
21 int fn;
22 char **fp = fields;
23 char *sepp;
24 int trimtrail;
25
26 /* white space */
27 if (sepc == '\0') {
28 while ((c = *p++) == ' ' || c == '\t')
29 continue;
30 p--;
31 trimtrail = 1;
32 sep = " \t"; /* note, code below knows this is 2 long */

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150 * pgm str sep n splits str by sep n times
151 */
152int
153main(argc, argv)
154int argc;
155char *argv[];
156{
157 char buf[512];
25
26 /* white space */
27 if (sepc == '\0') {
28 while ((c = *p++) == ' ' || c == '\t')
29 continue;
30 p--;
31 trimtrail = 1;
32 sep = " \t"; /* note, code below knows this is 2 long */

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150 * pgm str sep n splits str by sep n times
151 */
152int
153main(argc, argv)
154int argc;
155char *argv[];
156{
157 char buf[512];
158 register int n;
158 int n;
159# define MNF 10
160 char *fields[MNF];
161
162 if (argc > 4)
163 for (n = atoi(argv[3]); n > 0; n--) {
164 (void) strcpy(buf, argv[1]);
165 }
166 else if (argc > 3)

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182}
183
184dosplit(string, seps)
185char *string;
186char *seps;
187{
188# define NF 5
189 char *fields[NF];
159# define MNF 10
160 char *fields[MNF];
161
162 if (argc > 4)
163 for (n = atoi(argv[3]); n > 0; n--) {
164 (void) strcpy(buf, argv[1]);
165 }
166 else if (argc > 3)

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182}
183
184dosplit(string, seps)
185char *string;
186char *seps;
187{
188# define NF 5
189 char *fields[NF];
190 register int nf;
190 int nf;
191
192 nf = split(string, fields, NF, seps);
193 print(nf, NF, fields);
194}
195
196print(nf, nfp, fields)
197int nf;
198int nfp;
199char *fields[];
200{
191
192 nf = split(string, fields, NF, seps);
193 print(nf, NF, fields);
194}
195
196print(nf, nfp, fields)
197int nf;
198int nfp;
199char *fields[];
200{
201 register int fn;
202 register int bound;
201 int fn;
202 int bound;
203
204 bound = (nf > nfp) ? nfp : nf;
205 printf("%d:\t", nf);
206 for (fn = 0; fn < bound; fn++)
207 printf("\"%s\"%s", fields[fn], (fn+1 < nf) ? ", " : "\n");
208}
209
210#define RNF 5 /* some table entries know this */

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274 " a b c d e f ", "", 6, { "a", "b", "c", "d", "e f " },
275
276 NULL, NULL, 0, { NULL },
277};
278
279regress()
280{
281 char buf[512];
203
204 bound = (nf > nfp) ? nfp : nf;
205 printf("%d:\t", nf);
206 for (fn = 0; fn < bound; fn++)
207 printf("\"%s\"%s", fields[fn], (fn+1 < nf) ? ", " : "\n");
208}
209
210#define RNF 5 /* some table entries know this */

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274 " a b c d e f ", "", 6, { "a", "b", "c", "d", "e f " },
275
276 NULL, NULL, 0, { NULL },
277};
278
279regress()
280{
281 char buf[512];
282 register int n;
282 int n;
283 char *fields[RNF+1];
283 char *fields[RNF+1];
284 register int nf;
285 register int i;
286 register int printit;
287 register char *f;
284 int nf;
285 int i;
286 int printit;
287 char *f;
288
289 for (n = 0; tests[n].str != NULL; n++) {
290 (void) strcpy(buf, tests[n].str);
291 fields[RNF] = NULL;
292 nf = split(buf, fields, RNF, tests[n].seps);
293 printit = 0;
294 if (nf != tests[n].nf) {
295 printf("split `%s' by `%s' gave %d fields, not %d\n",

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289 for (n = 0; tests[n].str != NULL; n++) {
290 (void) strcpy(buf, tests[n].str);
291 fields[RNF] = NULL;
292 nf = split(buf, fields, RNF, tests[n].seps);
293 printit = 0;
294 if (nf != tests[n].nf) {
295 printf("split `%s' by `%s' gave %d fields, not %d\n",

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