Mercurial > hg > mlmmj
view src/mygetline.c @ 887:3032cb926799 BRANCH_1_2_18
Added tag RELEASE_1_2_18_1 for changeset c1b22b049682
author | Ben Schmidt |
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date | Wed, 05 Feb 2014 17:14:22 +1100 |
parents | 5bab557020a6 |
children |
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/* Copyright (C) 2004 Morten K. Poulsen <morten at afdelingp.dk> * Copyright (C) 2004 Mads Martin Joergensen <mmj at mmj.dk> * * $Id$ * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include <stdlib.h> #include <string.h> #include <unistd.h> #include <errno.h> #include <stdio.h> #include "mygetline.h" #include "memory.h" static char *mygetuntil(int fd, int eof) { size_t i = 0, res, buf_size = BUFSIZE; /* initial buffer size */ char *buf, ch; buf = mymalloc(buf_size); buf[0] = '\0'; while(1) { res = read(fd, &ch, 1); if(res < 0) { if(errno == EINTR) continue; else { myfree(buf); return NULL; } } if(res == 0) { if(buf[0]) { buf[i] = '\0'; return buf; } else { myfree(buf); return NULL; } } if(i == buf_size - 1) { buf_size *= 2; buf = myrealloc(buf, buf_size); } buf[i++] = ch; if(eof != EOF && ch == eof) { buf[i] = '\0'; return buf; } } } char *mygetline(int fd) { return mygetuntil(fd, '\n'); } char *mygetcontent(int fd) { return mygetuntil(fd, EOF); }