57 lines
1.0 KiB
C
57 lines
1.0 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 'as is' and without any warranty, express or
|
|
* implied. In no event shall the authors be liable for any damages arising
|
|
* from the use of this software.
|
|
*/
|
|
|
|
#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;
|
|
}
|