maint: make Include sections of modules consistent

[gnulib.git] / lib / findprog.c

diff --git a/lib/findprog.c b/lib/findprog.c
index 3b8cd39..b064245 100644 (file)
--- a/lib/findprog.c
+++ b/lib/findprog.c
@@ -1,5 +1,5 @@
 /* Locating a program in PATH.
-   Copyright (C) 2001-2004, 2006-2007 Free Software Foundation, Inc.
+   Copyright (C) 2001-2004, 2006-2008 Free Software Foundation, Inc.
    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
 
    This program is free software: you can redistribute it and/or modify
@@ -26,8 +26,13 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "xalloc.h"
-#include "filename.h"
+/* Avoid collision between findprog.c and findprog-lgpl.c.  */
+#if IN_FINDPROG_LGPL || ! GNULIB_FINDPROG_LGPL
+
+#if !IN_FINDPROG_LGPL
+# include "xalloc.h"
+#endif
+#include "concat-filename.h"
 
 
 const char *
@@ -56,7 +61,14 @@ find_in_path (const char *progname)
     return progname;
 
   /* Make a copy, to prepare for destructive modifications.  */
+# if !IN_FINDPROG_LGPL
   path = xstrdup (path);
+# else
+  path = strdup (path);
+  if (path == NULL)
+    /* Out of memory.  */
+    return progname;
+# endif
   for (path_rest = path; ; path_rest = cp + 1)
     {
       const char *dir;
@@ -75,7 +87,17 @@ find_in_path (const char *progname)
        dir = ".";
 
       /* Concatenate dir and progname.  */
+# if !IN_FINDPROG_LGPL
+      progpathname = xconcatenated_filename (dir, progname, NULL);
+# else
       progpathname = concatenated_filename (dir, progname, NULL);
+      if (progpathname == NULL)
+       {
+         /* Out of memory.  */
+         free (path);
+         return progname;
+       }
+# endif
 
       /* On systems which have the eaccess() system call, let's use it.
         On other systems, let's hope that this program is not installed
@@ -88,7 +110,7 @@ find_in_path (const char *progname)
            {
              free (progpathname);
 
-             /* Add the "./" prefix for real, that concatenated_filename()
+             /* Add the "./" prefix for real, that xconcatenated_filename()
                 optimized away.  This avoids a second PATH search when the
                 caller uses execlp/execvp.  */
              progpathname = XNMALLOC (2 + strlen (progname) + 1, char);
@@ -112,3 +134,5 @@ find_in_path (const char *progname)
   return progname;
 #endif
 }
+
+#endif