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Change the name of the define 'SPACETAB' (originally 'isspace') to

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'iswhite'.  The original change was required because of name
conflicts.

Add key pairs for the keywords 'mv' and 'move' (part of the move
command).

Add comments.
This commit is contained in:
Greg Lehey 2000-01-05 06:08:55 +00:00
parent 5b58d7c1a2
commit dbd8153d5e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=55445
1 changed files with 19 additions and 4 deletions
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23
sys/dev/vinum/vinumparser.c
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@ -33,6 +33,7 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: vinumparser.c,v 1.18 1999/12/30 09:31:22 grog Exp grog $
* $FreeBSD$
*/
@ -78,7 +79,12 @@
#include <dev/vinum/vinumio.h>
#include <dev/vinum/vinumext.h>
#define SPACETAB(c) ((c == ' ') || (c == '\t')) /* check for white space */
#ifdef _KERNEL
#define iswhite(c) ((c == ' ') || (c == '\t')) /* check for white space */
#else /* get it from the headers */
#include <ctype.h>
#define iswhite isspace /* use the ctype macro */
#endif
/* enum keyword is defined in vinumvar.h */
@ -139,6 +145,8 @@ struct _keywords keywords[] =
keypair(info),
keypair(set),
keypair(rm),
keypair(mv),
keypair(move),
keypair(init),
keypair(label),
keypair(resetconfig),
@ -172,6 +180,13 @@ struct keywordset flag_set = KEYWORDSET(flag_keywords);
#endif
/*
* Take a blank separated list of tokens and turn it into a list of
* individual nul-delimited strings. Build a list of pointers at
* token, which must have enough space for the tokens. Return the
* number of tokens, or -1 on error (typically a missing string
* delimiter).
*/
int
tokenize(char *cptr, char *token[])
{
@ -180,7 +195,7 @@ tokenize(char *cptr, char *token[])
tokennr = 0; /* none found yet */
for (;;) {
while (SPACETAB(*cptr))
while (iswhite(*cptr))
cptr++; /* skip initial white space */
if ((*cptr == '\0') || (*cptr == '\n') || (*cptr == '#')) /* end of line */
return tokennr; /* return number of tokens found */
@ -193,14 +208,14 @@ tokenize(char *cptr, char *token[])
cptr++;
if ((*cptr == delim) && (cptr[-1] != '\\')) { /* found the partner */
cptr++; /* move on past */
if (!SPACETAB(*cptr)) /* error, no space after closing quote */
if (!iswhite(*cptr)) /* error, no space after closing quote */
return -1;
*cptr++ = '\0'; /* delimit */
} else if ((*cptr == '\0') || (*cptr == '\n')) /* end of line */
return -1;
}
} else { /* not quoted */
while ((*cptr != '\0') && (!SPACETAB(*cptr)) && (*cptr != '\n'))
while ((*cptr != '\0') && (!iswhite(*cptr)) && (*cptr != '\n'))
cptr++;
if (*cptr != '\0') /* not end of the line, */
*cptr++ = '\0'; /* delimit and move to the next */