[U-Boot] [PATCH] Fix mingw tools build

Remy Bohmer
2009-10-28T21:13:36Z

mkimage does not build due to missing strtok_r() and getline() implementation

Signed-off-by: Remy Bohmer <linux@bohmer.net>
---
tools/mingw_support.c | 157 +++++++++++++++++++++++++++++++++++++++++++++++++
tools/mingw_support.h | 2 +
2 files changed, 159 insertions(+), 0 deletions(-)

diff --git a/tools/mingw_support.c b/tools/mingw_support.c
index 67cd6e1..6379710 100644
--- a/tools/mingw_support.c
+++ b/tools/mingw_support.c
@@ -24,7 +24,9 @@
#include "mingw_support.h"
#include <stdio.h>
#include <stdint.h>
+#include <string.h>
#include <errno.h>
+#include <assert.h>
#include <io.h>

int fsync(int fd)
@@ -77,3 +79,158 @@ int munmap(void *addr, size_t len)

return 0;
}
+
+/* Reentrant string tokenizer. Generic version.
+ Copyright (C) 1991,1996-1999,2001,2004,2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Parse S into tokens separated by characters in DELIM.
+ If S is NULL, the saved pointer in SAVE_PTR is used as
+ the next starting point. For example:
+ char s[] = "-abc-=-def";
+ char *sp;
+ x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
+ x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
+ x = strtok_r(NULL, "=", &sp); // x = NULL
+ // s = "abc\0-def\0"
+*/
+char *strtok_r(char *s, const char *delim, char **save_ptr)
+{
+ char *token;
+
+ if (s == NULL)
+ s = *save_ptr;
+
+ /* Scan leading delimiters. */
+ s += strspn(s, delim);
+ if (*s == '\0') {
+ *save_ptr = s;
+ return NULL;
+ }
+
+ /* Find the end of the token. */
+ token = s;
+ s = strpbrk (token, delim);
+ if (s == NULL) {
+ /* This token finishes the string. */
+ *save_ptr = memchr(token, '\0', strlen(token));
+ } else {
+ /* Terminate the token and make *SAVE_PTR point past it. */
+ *s = '\0';
+ *save_ptr = s + 1;
+ }
+ return token;
+}
+
+/* getline.c -- Replacement for GNU C library function getline
+
+Copyright (C) 1993, 1996, 2001, 2002 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 of the
+License, 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 Jan Brittenson, bson at gnu.ai.mit.edu. */
+
+/* Always add at least this many bytes when extending the buffer. */
+#define MIN_CHUNK 64
+
+/* Read up to (and including) a TERMINATOR from STREAM into *LINEPTR
+ + OFFSET (and null-terminate it). *LINEPTR is a pointer returned from
+ malloc (or NULL), pointing to *N characters of space. It is realloc'd
+ as necessary. Return the number of characters read (not including the
+ null terminator), or -1 on error or EOF.
+ NOTE: There is another getstr() function declared in <curses.h>. */
+static int getstr(char **lineptr, size_t *n, FILE *stream,
+ char terminator, size_t offset)
+{
+ int nchars_avail; /* Allocated but unused chars in *LINEPTR. */
+ char *read_pos; /* Where we're reading into *LINEPTR. */
+ int ret;
+
+ if (!lineptr || !n || !stream)
+ return -1;
+
+ if (!*lineptr) {
+ *n = MIN_CHUNK;
+ *lineptr = malloc(*n);
+ if (!*lineptr)
+ return -1;
+ }
+
+ nchars_avail = *n - offset;
+ read_pos = *lineptr + offset;
+
+ for (;;) {
+ register int c = getc(stream);
+
+ /* We always want at least one char left in the buffer, since we
+ always (unless we get an error while reading the first char)
+ NUL-terminate the line buffer. */
+
+ assert(*n - nchars_avail == read_pos - *lineptr);
+ if (nchars_avail < 2) {
+ if (*n > MIN_CHUNK)
+ *n *= 2;
+ else
+ *n += MIN_CHUNK;
+
+ nchars_avail = *n + *lineptr - read_pos;
+ *lineptr = realloc(*lineptr, *n);
+ if (!*lineptr)
+ return -1;
+ read_pos = *n - nchars_avail + *lineptr;
+ assert(*n - nchars_avail == read_pos - *lineptr);
+ }
+
+ if (c == EOF || ferror (stream)) {
+ /* Return partial line, if any. */
+ if (read_pos == *lineptr)
+ return -1;
+ else
+ break;
+ }
+
+ *read_pos++ = c;
+ nchars_avail--;
+
+ if (c == terminator)
+ /* Return the line. */
+ break;
+ }
+
+ /* Done - NUL terminate and return the number of chars read. */
+ *read_pos = '\0';
+
+ ret = read_pos - (*lineptr + offset);
+ return ret;
+}
+
+int getline (char **lineptr, size_t *n, FILE *stream)
+{
+ return getstr(lineptr, n, stream, '\n', 0);
+}
diff --git a/tools/mingw_support.h b/tools/mingw_support.h
index 9e45e64..2793674 100644
--- a/tools/mingw_support.h
+++ b/tools/mingw_support.h
@@ -44,5 +44,7 @@ typedef ULONG ulong;
int fsync(int fd);
void *mmap(void *, size_t, int, int, int, int);
int munmap(void *, size_t);
+char *strtok_r(char *s, const char *delim, char **save_ptr);
+int getline(char **lineptr, size_t *n, FILE *stream);

#endif /* __MINGW_SUPPORT_H_ */
--
1.6.0.4