1 files changed, 0 insertions, 284 deletions
diff --git a/util/parser.c b/util/parser.c
deleted file mode 100644
index bd74822..0000000
--- a/util/parser.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * lib/parser.c - simple parser for mount, etc. options.
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2.  See the file COPYING for more details.
- */
-
-#include <ctype.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <errno.h>
-#include <limits.h>
-#include <sys/types.h>
-#include "parser.h"
-
-/**
- * match_one: - Determines if a string matches a simple pattern
- * @s:		the string to examine for presence of the pattern
- * @p:		the string containing the pattern
- * @args:	array of %MAX_OPT_ARGS &substring_t elements. Used to return match
- * locations.
- *
- * Description: Determines if the pattern @p is present in string @s. Can only
- * match extremely simple token=arg style patterns. If the pattern is found,
- * the location(s) of the arguments will be returned in the @args array.
- */
-static int match_one(char *s, const char *p, substring_t args[])
-{
-	char *meta;
-	int argc = 0;
-
-	if (!p)
-		return 1;
-
-	while(1) {
-		int len = -1;
-		meta = strchr(p, '%');
-		if (!meta)
-			return strcmp(p, s) == 0;
-
-		if (strncmp(p, s, meta-p))
-			return 0;
-
-		s += meta - p;
-		p = meta + 1;
-
-		if (isdigit(*p))
-			len = strtoul(p, (char **) &p, 10);
-		else if (*p == '%') {
-			if (*s++ != '%')
-				return 0;
-			p++;
-			continue;
-		}
-
-		if (argc >= MAX_OPT_ARGS)
-			return 0;
-
-		args[argc].from = s;
-		switch (*p++) {
-		case 's': {
-			size_t str_len = strlen(s);
-
-			if (str_len == 0)
-				return 0;
-			if (len == -1 || len > str_len)
-				len = str_len;
-			args[argc].to = s + len;
-			break;
-		}
-		case 'd':
-			strtol(s, &args[argc].to, 0);
-			goto num;
-		case 'u':
-			strtoul(s, &args[argc].to, 0);
-			goto num;
-		case 'o':
-			strtoul(s, &args[argc].to, 8);
-			goto num;
-		case 'x':
-			strtoul(s, &args[argc].to, 16);
-		num:
-			if (args[argc].to == args[argc].from)
-				return 0;
-			break;
-		default:
-			return 0;
-		}
-		s = args[argc].to;
-		argc++;
-	}
-}
-
-/**
- * match_token: - Find a token (and optional args) in a string
- * @s:		the string to examine for token/argument pairs
- * @table:	match_table_t describing the set of allowed option tokens and the
- * 		arguments that may be associated with them. Must be terminated with a
- * 		&struct match_token whose pattern is set to the NULL pointer.
- * @args:	array of %MAX_OPT_ARGS &substring_t elements. Used to return match
- * 		locations.
- *
- * Description: Detects which if any of a set of token strings has been passed
- * to it. Tokens can include up to MAX_OPT_ARGS instances of basic c-style
- * format identifiers which will be taken into account when matching the
- * tokens, and whose locations will be returned in the @args array.
- */
-int match_token(char *s, const match_table_t table, substring_t args[])
-{
-	const struct match_token *p;
-
-	for (p = table; !match_one(s, p->pattern, args) ; p++)
-		;
-
-	return p->token;
-}
-
-/**
- * match_number: scan a number in the given base from a substring_t
- * @s:		substring to be scanned
- * @result:	resulting integer on success
- * @base:	base to use when converting string
- *
- * Description: Given a &substring_t and a base, attempts to parse the substring
- * as a number in that base. On success, sets @result to the integer represented
- * by the string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
- */
-static int match_number(substring_t *s, int *result, int base)
-{
-	char *endp;
-	char *buf;
-	int ret;
-	long val;
-	size_t len = s->to - s->from;
-
-	buf = malloc(len + 1);
-	if (!buf)
-		return -ENOMEM;
-	memcpy(buf, s->from, len);
-	buf[len] = '\0';
-
-	ret = 0;
-	val = strtol(buf, &endp, base);
-	if (endp == buf)
-		ret = -EINVAL;
-	else if (val < (long)INT_MIN || val > (long)INT_MAX)
-		ret = -ERANGE;
-	else
-		*result = (int) val;
-	free(buf);
-	return ret;
-}
-
-/**
- * match_int: - scan a decimal representation of an integer from a substring_t
- * @s:		substring_t to be scanned
- * @result:	resulting integer on success
- *
- * Description: Attempts to parse the &substring_t @s as a decimal integer. On
- * success, sets @result to the integer represented by the string and returns 0.
- * Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
- */
-int match_int(substring_t *s, int *result)
-{
-	return match_number(s, result, 0);
-}
-
-/**
- * match_octal: - scan an octal representation of an integer from a substring_t
- * @s:		substring_t to be scanned
- * @result:	resulting integer on success
- *
- * Description: Attempts to parse the &substring_t @s as an octal integer. On
- * success, sets @result to the integer represented by the string and returns
- * 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
- */
-int match_octal(substring_t *s, int *result)
-{
-	return match_number(s, result, 8);
-}
-
-/**
- * match_hex: - scan a hex representation of an integer from a substring_t
- * @s:		substring_t to be scanned
- * @result:	resulting integer on success
- *
- * Description: Attempts to parse the &substring_t @s as a hexadecimal integer.
- * On success, sets @result to the integer represented by the string and
- * returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
- */
-int match_hex(substring_t *s, int *result)
-{
-	return match_number(s, result, 16);
-}
-
-/**
- * match_wildcard: - parse if a string matches given wildcard pattern
- * @pattern:	wildcard pattern
- * @str:	the string to be parsed
- *
- * Description: Parse the string @str to check if matches wildcard
- * pattern @pattern. The pattern may contain two type wildcardes:
- *   '*' - matches zero or more characters
- *   '?' - matches one character
- * If it's matched, return true, else return false.
- */
-bool match_wildcard(const char *pattern, const char *str)
-{
-	const char *s = str;
-	const char *p = pattern;
-	bool star = false;
-
-	while (*s) {
-		switch (*p) {
-		case '?':
-			s++;
-			p++;
-			break;
-		case '*':
-			star = true;
-			str = s;
-			if (!*++p)
-				return true;
-			pattern = p;
-			break;
-		default:
-			if (*s == *p) {
-				s++;
-				p++;
-			} else {
-				if (!star)
-					return false;
-				str++;
-				s = str;
-				p = pattern;
-			}
-			break;
-		}
-	}
-
-	if (*p == '*')
-		++p;
-	return !*p;
-}
-
-/**
- * match_strlcpy: - Copy the characters from a substring_t to a sized buffer
- * @dest:	where to copy to
- * @src:	&substring_t to copy
- * @size:	size of destination buffer
- *
- * Description: Copy the characters in &substring_t @src to the
- * c-style string @dest.  Copy no more than @size - 1 characters, plus
- * the terminating NUL.  Return length of @src.
- */
-size_t match_strlcpy(char *dest, const substring_t *src, size_t size)
-{
-	size_t ret = src->to - src->from;
-
-	if (size) {
-		size_t len = ret >= size ? size - 1 : ret;
-		memcpy(dest, src->from, len);
-		dest[len] = '\0';
-	}
-	return ret;
-}
-
-/**
- * match_strdup: - allocate a new string with the contents of a substring_t
- * @s: &substring_t to copy
- *
- * Description: Allocates and returns a string filled with the contents of
- * the &substring_t @s. The caller is responsible for freeing the returned
- * string with free().
- */
-char *match_strdup(const substring_t *s)
-{
-	size_t sz = s->to - s->from + 1;
-	char *p = malloc(sz);
-	if (p)
-		match_strlcpy(p, s, sz);
-	return p;
-}