72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*****************************************************************************\
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* layout_common.c
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*****************************************************************************
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* Copyright (C) 2012, Vikram Narayanan
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* Unified build_opt_tbl and nvramtool
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* build_opt_tbl.c
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* Copyright (C) 2003 Eric Biederman (ebiederm@xmission.com)
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* Copyright (C) 2007-2010 coresystems GmbH
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*
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* This file is part of nvramtool, a utility for reading/writing coreboot
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* parameters and displaying information from the coreboot table.
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* For details, see https://coreboot.org/nvramtool.
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*
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* Please also read the file DISCLAIMER which is included in this software
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* distribution.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (as published by the
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* Free Software Foundation) version 2, dated June 1991.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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* conditions of the GNU General Public License for more details.
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\*****************************************************************************/
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#include <ctype.h>
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static int is_ident_nondigit(int c)
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{
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int result;
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switch(c) {
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case 'A': case 'B': case 'C': case 'D':
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case 'E': case 'F': case 'G': case 'H':
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case 'I': case 'J': case 'K': case 'L':
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case 'M': case 'N': case 'O': case 'P':
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case 'Q': case 'R': case 'S': case 'T':
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case 'U': case 'V': case 'W': case 'X':
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case 'Y': case 'Z':
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case 'a': case 'b': case 'c': case 'd':
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case 'e': case 'f': case 'g': case 'h':
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case 'i': case 'j': case 'k': case 'l':
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case 'm': case 'n': case 'o': case 'p':
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case 'q': case 'r': case 's': case 't':
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case 'u': case 'v': case 'w': case 'x':
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case 'y': case 'z':
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case '_':
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result = 1;
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break;
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default:
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result = 0;
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break;
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}
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return result;
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}
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int is_ident(char *str)
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{
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int result;
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int ch;
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ch = *str;
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result = 0;
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if (is_ident_nondigit(ch)) {
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do {
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str++;
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ch = *str;
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} while(ch && (is_ident_nondigit(ch) || (isdigit(ch))));
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result = (ch == '\0');
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}
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return result;
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}
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