tools/: Add detab.c which will convert all tabs in a file to spaces. Add lowhex.c that will convert hexadecimal constants in a file to use lower case representation.

tools/Makefile.host

@@ -78,14 +78,15 @@ all: b16$(HOSTEXEEXT) bdf-converter$(HOSTEXEEXT) cmpconfig$(HOSTEXEEXT) \
     configure$(HOSTEXEEXT) mkconfig$(HOSTEXEEXT) mkdeps$(HOSTEXEEXT) \
     mksymtab$(HOSTEXEEXT)  mksyscall$(HOSTEXEEXT) mkversion$(HOSTEXEEXT) \
     cnvwindeps$(HOSTEXEEXT) nxstyle$(HOSTEXEEXT) initialconfig$(HOSTEXEEXT) \
-    logparser$(HOSTEXEEXT) gencromfs$(HOSTEXEEXT) convert-comments$(HOSTEXEEXT)
+    logparser$(HOSTEXEEXT) gencromfs$(HOSTEXEEXT) convert-comments$(HOSTEXEEXT) \
+    lowhex$(HOSTEXEEXT) detab$(HOSTEXEEXT)
 default: mkconfig$(HOSTEXEEXT) mksyscall$(HOSTEXEEXT) mkdeps$(HOSTEXEEXT) \
     cnvwindeps$(HOSTEXEEXT)
 
 ifdef HOSTEXEEXT
 .PHONY: b16 bdf-converter cmpconfig clean configure kconfig2html mkconfig \
     mkdeps mksymtab mksyscall mkversion cnvwindeps nxstyle initialconfig \
-    logparser gencromfs convert-comments
+    logparser gencromfs convert-comments lowhex detab
 else
 .PHONY: clean
 endif
@@ -218,6 +219,24 @@ ifdef HOSTEXEEXT
 convert-comments: convert-comments$(HOSTEXEEXT)
 endif
 
+# lowhex - Convert hexadecimal constants to lower cast format
+
+lowhex$(HOSTEXEEXT): lowhex.c
+	$(Q) $(HOSTCC) $(HOSTCFLAGS) -o lowhex$(HOSTEXEEXT) lowhex.c
+
+ifdef HOSTEXEEXT
+lowhex: lowhex$(HOSTEXEEXT)
+endif
+
+# detab - Convert tabs to spaces
+
+detab$(HOSTEXEEXT): detab.c
+	$(Q) $(HOSTCC) $(HOSTCFLAGS) -o detab$(HOSTEXEEXT) detab.c
+
+ifdef HOSTEXEEXT
+detab: detab$(HOSTEXEEXT)
+endif
+
 # cnvwindeps - Convert dependences generated by a Windows native toolchain
 # for use in a Cygwin/POSIX build environment
 

tools/README.txt

@@ -76,6 +76,15 @@ convert-comments.c
 
     convert-comments <source-file> <out-file>
 
+detab.c
+-------
+
+  Convert tabs to spaces in a file.  Usage:
+
+    detab [-4] <source-file> <out-file>
+
+  Default <source-file> tab size is 8 spaces;  -4 selects 4 space tab size.
+
 discover.py
 -----------
 
@@ -98,6 +107,13 @@ gencromfs.c
       be compiled in order to generate the binary CROMFS file system
       image.
 
+lowhex.c
+
+  Convert hexadecimal representation in a file from upper- to lower-case.
+  Usage:
+
+    lowhex <source-file> <out-file>
+
 mkconfig.c, cfgdefine.c, and cfgdefine.h
 ----------------------------------------
 

tools/detab.c

@@ -0,0 +1,144 @@
+/****************************************************************************
+ * tools/detab.c
+ *
+ *   Copyright (C) 2018 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define LINE_SIZE 1024
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static char g_line[LINE_SIZE];
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int main(int argc, char **argv, char **envp)
+{
+  FILE *instream;
+  FILE *outstream;
+  const char *infile;
+  const char *outfile;
+  int tabsize = 8;
+  int tabmask = 7;
+  int newpos;
+  int pos;
+  int ret = 1;
+  int i;
+
+  if (argc == 3)
+    {
+      infile  = argv[1];
+      outfile = argv[2];
+    }
+  else if (argc == 4)
+    {
+      if (strcmp(argv[1], "-4") != 0)
+        {
+          fprintf(stderr, "ERROR:  Unrecognized option\n");
+          fprintf(stderr, "Usage:  %s [-4] <source-file> <out-file>\n", argv[0]);
+          return 1;
+        }
+
+      tabsize = 4;
+      tabmask = 3;
+      infile  = argv[2];
+      outfile = argv[3];
+    }
+  else
+    {
+      fprintf(stderr, "ERROR:  At least two arguments expected\n");
+      fprintf(stderr, "Usage:  %s [-4] <source-file> <out-file>\n", argv[0]);
+      return 1;
+    }
+
+  /* Open the source file read-only */
+
+  instream = fopen(infile, "r");
+  if (instream == NULL)
+    {
+      fprintf(stderr, "ERROR:  Failed to open %s for reading\n", argv[1]);
+      return 1;
+    }
+
+  /* Open the destination file write-only */
+
+  outstream = fopen(outfile, "w");
+  if (outstream == NULL)
+    {
+      fprintf(stderr, "ERROR:  Failed to open %s for reading\n", argv[2]);
+      goto errout_with_instream;
+    }
+
+  while (fgets(g_line, LINE_SIZE, instream) != NULL)
+    {
+      for (pos = 0, i = 0; g_line[i] && pos < LINE_SIZE && g_line[i]; i++)
+        {
+          if (g_line[i] == '\t')
+            {
+              newpos = (pos + tabsize) & ~tabmask;
+              for (; pos < newpos; pos++)
+                {
+                  fputc(' ', outstream);
+                }
+            }
+          else
+            {
+              fputc(g_line[i], outstream);
+              pos++;
+            }
+        }
+    }
+
+  ret = 0;
+
+  fclose(outstream);
+
+errout_with_instream:
+  fclose(instream);
+  return ret;
+}

tools/lowhex.c

@@ -0,0 +1,160 @@
+/****************************************************************************
+ * tools/lowhex.c
+ *
+ *   Copyright (C) 2018 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <ctype.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define LINESIZE 1024
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static char g_line[LINESIZE];
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static inline bool isdelimiter(int ch)
+{
+  if (isalnum(ch) || ch == '_')
+    {
+      return false;
+    }
+
+  return true;
+}
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+int main(int argc, char **argv)
+{
+  FILE *instream;
+  FILE *outstream;
+  bool delimited;
+  bool inhex;
+  int ret = 1;
+  int i;
+  int j;
+
+  if (argc != 3)
+    {
+      fprintf(stderr, "ERROR:  Two arguments expected\n");
+      return 1;
+    }
+
+  /* Open the source file read-only */
+
+  instream = fopen(argv[1], "r");
+  if (instream == NULL)
+    {
+      fprintf(stderr, "ERROR:  Failed to open %s for reading\n", argv[1]);
+      return 1;
+    }
+
+  /* Open the destination file write-only */
+
+  outstream = fopen(argv[2], "w");
+  if (outstream == NULL)
+    {
+      fprintf(stderr, "ERROR:  Failed to open %s for reading\n", argv[2]);
+      goto errout_with_instream;
+    }
+
+  /* Process each line in the file */
+
+  while ((fgets(g_line, LINESIZE, instream) != NULL))
+    {
+      /* Search for a '0x' that preceding some delimiting character */
+
+      delimited = true;
+      inhex     = true;
+
+      for (i = 0;
+           i < LINESIZE && g_line[i] != '\n' && g_line[i] != '\0';
+           i++)
+        {
+          if (inhex)
+            {
+              if (isxdigit(g_line[i]))
+                {
+                  g_line[i] = tolower(g_line[i]);
+                }
+              else
+                {
+                  inhex = false;
+                }
+            }
+          else if (delimited && g_line[i] == '0')
+            {
+              j = i + 1;
+              if (j < LINESIZE)
+                {
+                  if (g_line[j] == 'x' || g_line[j] == 'X')
+                    {
+                      g_line[j] = tolower(g_line[j]);
+                      inhex = true;
+                      i = j;
+                    }
+                }
+            }
+          else
+            {
+              delimited = isdelimiter(g_line[i]);
+            }
+        }
+
+      (void)fputs(g_line, outstream);
+    }
+
+  ret = 0;
+  fclose(outstream);
+
+errout_with_instream:
+  fclose(instream);
+  return ret;
+}