mlmmj: src/mygetline.c annotate

annotate src/mygetline.c @ 754:ecb991e41a4c

Add $controlN$ substitution The interfaces to substitute() and substitute_one() have changed, as they now need to know the listdir to be able to find control files

author	Ben Schmidt
date	Wed, 06 Oct 2010 23:30:26 +1100
parents	136e5bc27f7a
children	5bab557020a6

rev	line source
17 b045203f558b Add GPL info in top of files where it was missing, and remove a file that mmj parents: 11 diff changeset	1 /* Copyright (C) 2004 Morten K. Poulsen <morten at afdelingp.dk>
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	2 * Copyright (C) 2004 Mads Martin Joergensen <mmj at mmj.dk>
17 b045203f558b Add GPL info in top of files where it was missing, and remove a file that mmj parents: 11 diff changeset	3 *
b045203f558b Add GPL info in top of files where it was missing, and remove a file that mmj parents: 11 diff changeset	4 * $Id$
b045203f558b Add GPL info in top of files where it was missing, and remove a file that mmj parents: 11 diff changeset	5 *
225 3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	6 * Permission is hereby granted, free of charge, to any person obtaining a copy
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	7 * of this software and associated documentation files (the "Software"), to
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	8 * deal in the Software without restriction, including without limitation the
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	10 * sell copies of the Software, and to permit persons to whom the Software is
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	11 * furnished to do so, subject to the following conditions:
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	12 *
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	13 * The above copyright notice and this permission notice shall be included in
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	14 * all copies or substantial portions of the Software.
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	15 *
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
3f177909efc8 Goodbye GPL license, Welcome MIT mmj parents: 187 diff changeset	22 * IN THE SOFTWARE.
17 b045203f558b Add GPL info in top of files where it was missing, and remove a file that mmj parents: 11 diff changeset	23 */
b045203f558b Add GPL info in top of files where it was missing, and remove a file that mmj parents: 11 diff changeset	24
6 9eea0c9ae113 Helper functions mmj parents: diff changeset	25 #include <stdlib.h>
9eea0c9ae113 Helper functions mmj parents: diff changeset	26 #include <string.h>
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	27 #include <unistd.h>
153 1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	28 #include <errno.h>
245 00eadc106b34 changed to use the new memory wrappers mortenp parents: 241 diff changeset	29
6 9eea0c9ae113 Helper functions mmj parents: diff changeset	30 #include "mygetline.h"
245 00eadc106b34 changed to use the new memory wrappers mortenp parents: 241 diff changeset	31 #include "memory.h"
6 9eea0c9ae113 Helper functions mmj parents: diff changeset	32
754 ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	33 static char *mygetuntil(int fd, char eof)
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	34 {
153 1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	35 size_t i = 0, res, buf_size = BUFSIZE; /* initial buffer size */
379 136e5bc27f7a Change statctrl to only return a file is not there, if stat() explicitly said so mmj parents: 245 diff changeset	36 char *buf, ch;
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	37
379 136e5bc27f7a Change statctrl to only return a file is not there, if stat() explicitly said so mmj parents: 245 diff changeset	38 buf = mymalloc(buf_size);
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	39 buf[0] = '\0';
153 1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	40 while(1) {
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	41 res = read(fd, &ch, 1);
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	42 if(res < 0) {
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	43 if(errno == EINTR)
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	44 continue;
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	45 else {
245 00eadc106b34 changed to use the new memory wrappers mortenp parents: 241 diff changeset	46 myfree(buf);
153 1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	47 return NULL;
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	48 }
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	49 }
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	50 if(res == 0) {
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	51 if(buf[0]) {
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	52 buf[i] = '\0';
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	53 return buf;
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	54 } else {
245 00eadc106b34 changed to use the new memory wrappers mortenp parents: 241 diff changeset	55 myfree(buf);
153 1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	56 return NULL;
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	57 }
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	58 }
1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	59
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	60 if(i == buf_size - 1) {
91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	61 buf_size *= 2;
245 00eadc106b34 changed to use the new memory wrappers mortenp parents: 241 diff changeset	62 buf = myrealloc(buf, buf_size);
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	63 }
91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	64 buf[i++] = ch;
754 ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	65 if(ch == eof) {
27 91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	66 buf[i] = '\0';
91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	67 return buf;
91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	68 }
91830455b49c mygetline is turned into myfgetline since it works on FILE 's and mmj* parents: 17 diff changeset	69 }
153 1c3083e7acfa mygetline EINTR handling and errno = 0 mmj parents: 88 diff changeset	70 }
754 ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	71
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	72 char *mygetline(int fd)
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	73 {
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	74 return mygetuntil(fd, '\n');
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	75 }
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	76
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	77 char *mygetcontent(int fd)
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	78 {
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	79 return mygetuntil(fd, '\0');
ecb991e41a4c Add $controlN$ substitution Ben Schmidt parents: 379 diff changeset	80 }

Mercurial > hg > mlmmj

annotate src/mygetline.c @ 754:ecb991e41a4c