add clang-format support for fastdep tool

src/DEPEND/.clang-format

@@ -0,0 +1,31 @@
+---
+BasedOnStyle:                         LLVM
+AccessModifierOffset:                 -1
+AlignConsecutiveAssignments:          false
+AlignConsecutiveDeclarations:         false
+AlignEscapedNewlines:                 Left
+AlignOperands:                        false
+AllowShortBlocksOnASingleLine:        true
+AllowShortFunctionsOnASingleLine:     Inline
+AllowShortIfStatementsOnASingleLine:  WithoutElse
+AllowShortLambdasOnASingleLine:       None
+AllowShortLoopsOnASingleLine:         true
+BraceWrapping:
+  AfterFunction:                      true
+BreakBeforeBraces:                    Custom
+BreakConstructorInitializers:         AfterColon
+BreakInheritanceList:                 AfterColon
+ColumnLimit:                          80
+IndentCaseLabels:                     true
+IndentWidth:                          4
+NamespaceIndentation:                 Inner
+ObjCBlockIndentWidth:                 2
+PenaltyBreakAssignment:               4
+ReflowComments:                       false
+SpaceAfterCStyleCast:                 false
+SpacesBeforeTrailingComments:         4
+SpacesInContainerLiterals:            false
+Standard:                             Cpp11
+TabWidth:                             2
+UseTab:                               Never
+...

src/DEPEND/fastdep.c

@@ -28,10 +28,10 @@
  */
 
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
-#include <sys/types.h>
+#include <string.h>
 #include <sys/stat.h>
+#include <sys/types.h>
 
 const char version[] = "2.1";
 
@@ -60,8 +60,7 @@ static char *my_strdup(const char *src)
 char *trim_path(char *path)
 {
     int last = strlen(path) - 1;
-    while ((path[last] == '/') || (path[last] == '\\'))
-        --last;
+    while ((path[last] == '/') || (path[last] == '\\')) --last;
     path[++last] = '\0';
     return path;
 }
@@ -249,7 +248,6 @@ static void llist_print(llist_t *ll)
     fputc('\n', stdout);
 }
 
-
 /************************************************************************
  * set functions
  ************************************************************************/
@@ -553,7 +551,6 @@ static void add_depend(const char *source, set_t *incl, map_t *deps)
             }
         }
     }
-
 }
 
 /************************************************************************/
@@ -614,8 +611,6 @@ static void do_depend(llnode_t *head, map_t *deps)
     }
 }
 
-
-
 /************************************************************************/
 
 int main(int argc, char **argv)
@@ -625,7 +620,8 @@ int main(int argc, char **argv)
     map_t *deps;
 
     if (argc < 2) {
-        fprintf(stderr,"FastDep v%s for LAMMPS\n"
+        fprintf(stderr,
+                "FastDep v%s for LAMMPS\n"
                 "Usage: %s [-I <path> ...] -- <src1> [<src2> ...]\n",
                 version, argv[0]);
         fprintf(stderr, "Supported extensions: %d, %s, %s\n", numextensions,
@@ -664,9 +660,7 @@ int main(int argc, char **argv)
     }
 
     src = llist_init();
-    while (++argv, --argc > 0) {
-        llist_append(src,*argv);
-    }
+    while (++argv, --argc > 0) { llist_append(src, *argv); }
 
     /* process files to look for includes */
     todo = llist_init();