/* clib.c: Functions which we normally expect to find in the C library. $Id: clib.c,v 1.1.1.1 1997/08/21 22:57:59 jason Exp $ This file is part of GNU Info, a program for reading online documentation stored in Info format. Copyright (C) 1995 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Written by Brian Fox (bfox@ai.mit.edu). */ #include #if defined (HAVE_UNISTD_H) #include #endif #if defined (HAVE_STDLIB_H) #include #endif #if defined (HAVE_STRING_H) #include #endif #include extern void *xmalloc (), *xrealloc (); #include "general.h" #if !defined (errno) extern int errno; #endif #if !defined (HAVE_STRERROR) extern char *sys_errlist[]; extern int sys_nerr; char * strerror (num) int num; { if (num >= sys_nerr) return (""); else return (sys_errlist[num]); } #endif /* !HAVE_STRERROR */ #if !defined (HAVE_STRCASECMP) /* This Unix doesn't have the strcasecmp () function. */ int strcasecmp (string1, string2) char *string1, *string2; { char ch1, ch2; for (;;) { ch1 = *string1++; ch2 = *string2++; if (!(ch1 | ch2)) return (0); ch1 = info_toupper (ch1); ch2 = info_toupper (ch2); if (ch1 != ch2) return (ch1 - ch2); } } /* Compare at most COUNT characters from string1 to string2. Case doesn't matter. */ int strncasecmp (string1, string2, count) char *string1, *string2; int count; { register char ch1, ch2; while (count) { ch1 = *string1++; ch2 = *string2++; ch1 = info_toupper (ch1); ch2 = info_toupper (ch2); if (ch1 == ch2) count--; else break; } return (count); } #endif /* !STRCASECMP */