forked from ariadne/pkgconf
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
|
|
* fileio.c
|
|
* File reading utilities
|
|
*
|
|
* Copyright (c) 2012 William Pitcock <nenolod@dereferenced.org>.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "pkg.h"
|
|
#include "bsdstubs.h"
|
|
|
|
char *
|
|
pkg_fgetline(char *line, size_t size, FILE *stream)
|
|
{
|
|
char *s = line;
|
|
char *end = line + size - 1;
|
|
int c = '\0', c2;
|
|
|
|
if (s == NULL)
|
|
return NULL;
|
|
|
|
while (s < end && (c = getc(stream)) != EOF)
|
|
{
|
|
if (c == '\n')
|
|
{
|
|
*s++ = c;
|
|
break;
|
|
}
|
|
else if (c == '\r')
|
|
{
|
|
*s++ = '\n';
|
|
|
|
if ((c2 = getc(stream)) == '\n')
|
|
break;
|
|
|
|
ungetc(c2, stream);
|
|
break;
|
|
}
|
|
else
|
|
*s++ = c;
|
|
}
|
|
|
|
*s = '\0';
|
|
|
|
if (c == EOF && (s == line || ferror(stream)))
|
|
return NULL;
|
|
|
|
return line;
|
|
}
|