zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/lib/ss/parse.c b/ap/app/e2fsprogs/e2fsprogs-1.42.9/lib/ss/parse.c
new file mode 100644
index 0000000..e2928e2
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/lib/ss/parse.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright 1987, 1988 by MIT Student Information Processing Board
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose is hereby granted, provided that
+ * the names of M.I.T. and the M.I.T. S.I.P.B. not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. M.I.T. and the
+ * M.I.T. S.I.P.B. make no representations about the suitability of
+ * this software for any purpose. It is provided "as is" without
+ * express or implied warranty.
+ */
+
+#include "config.h"
+#ifdef HAS_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <string.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include "ss_internal.h"
+
+enum parse_mode { WHITESPACE, TOKEN, QUOTED_STRING };
+
+/*
+ * parse(line_ptr, argc_ptr)
+ *
+ * Function:
+ * Parses line, dividing at whitespace, into tokens, returns
+ * the "argc" and "argv" values.
+ * Arguments:
+ * line_ptr (char *)
+ * Pointer to text string to be parsed.
+ * argc_ptr (int *)
+ * Where to put the "argc" (number of tokens) value.
+ * Returns:
+ * argv (char **)
+ * Series of pointers to parsed tokens.
+ */
+
+#define NEW_ARGV(old,n) (char **)realloc((char *)old,\
+ (unsigned)(n+2)*sizeof(char*))
+
+char **ss_parse(int sci_idx, register char *line_ptr, int *argc_ptr)
+{
+ register char **argv, *cp;
+ register int argc;
+ register enum parse_mode parse_mode;
+
+ argv = (char **) malloc (sizeof(char *));
+ if (argv == (char **)NULL) {
+ ss_error(sci_idx, errno, "Can't allocate storage");
+ *argc_ptr = 0;
+ return(argv);
+ }
+ *argv = (char *)NULL;
+
+ argc = 0;
+
+ parse_mode = WHITESPACE; /* flushing whitespace */
+ cp = line_ptr; /* cp is for output */
+ while (1) {
+#ifdef DEBUG
+ {
+ printf ("character `%c', mode %d\n", *line_ptr, parse_mode);
+ }
+#endif
+ while (parse_mode == WHITESPACE) {
+ if (*line_ptr == '\0')
+ goto end_of_line;
+ if (*line_ptr == ' ' || *line_ptr == '\t') {
+ line_ptr++;
+ continue;
+ }
+ if (*line_ptr == '"') {
+ /* go to quoted-string mode */
+ parse_mode = QUOTED_STRING;
+ cp = line_ptr++;
+ argv = NEW_ARGV (argv, argc);
+ argv[argc++] = cp;
+ argv[argc] = NULL;
+ }
+ else {
+ /* random-token mode */
+ parse_mode = TOKEN;
+ cp = line_ptr;
+ argv = NEW_ARGV (argv, argc);
+ if (argv == NULL) {
+ *argc_ptr = errno;
+ return argv;
+ }
+ argv[argc++] = line_ptr;
+ argv[argc] = NULL;
+ }
+ }
+ while (parse_mode == TOKEN) {
+ if (*line_ptr == '\0') {
+ *cp++ = '\0';
+ goto end_of_line;
+ }
+ else if (*line_ptr == ' ' || *line_ptr == '\t') {
+ *cp++ = '\0';
+ line_ptr++;
+ parse_mode = WHITESPACE;
+ }
+ else if (*line_ptr == '"') {
+ line_ptr++;
+ parse_mode = QUOTED_STRING;
+ }
+ else {
+ *cp++ = *line_ptr++;
+ }
+ }
+ while (parse_mode == QUOTED_STRING) {
+ if (*line_ptr == '\0') {
+ ss_error (sci_idx, 0,
+ "Unbalanced quotes in command line");
+ free (argv);
+ *argc_ptr = 0;
+ return NULL;
+ }
+ else if (*line_ptr == '"') {
+ if (*++line_ptr == '"') {
+ *cp++ = '"';
+ line_ptr++;
+ }
+ else {
+ parse_mode = TOKEN;
+ }
+ }
+ else {
+ *cp++ = *line_ptr++;
+ }
+ }
+ }
+end_of_line:
+ *argc_ptr = argc;
+#ifdef DEBUG
+ {
+ int i;
+ printf ("argc = %d\n", argc);
+ for (i = 0; i <= argc; i++)
+ printf ("\targv[%2d] = `%s'\n", i,
+ argv[i] ? argv[i] : "<NULL>");
+ }
+#endif
+ return(argv);
+}