gcc/ada/argv-lynxos178-raven-cert.c

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   3  *                         GNAT COMPILER COMPONENTS                         *
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   7  *                          C Implementation File                           *
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  27  * GNAT was originally developed  by the GNAT team at  New York University. *
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  30  ****************************************************************************/
  31
  32 /* Routines for accessing command line arguments from both the runtime
  33    library and from the compiler itself.  In the former case, gnat_argc
  34    and gnat_argv are the original argc and argv values as stored by the
  35    binder generated main program, and these routines are accessed from
  36    the Ada.Command_Line package.  In the compiler case, gnat_argc and
  37    gnat_argv are the values as modified by toplev, and these routines
  38    are accessed from the Osint package.  */
  39
  40 /* This version is for the ravenscar-cert runtime in LynxOS-178, with
  41    minimal support for Ada.Command_Line.Command_Name */
  42
  43 #include <sys/types.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46
  47 #ifdef __cplusplus
  48 extern "C" {
  49 #endif
  50
  51 /* argc and argv of the main program are saved under gnat_argc and gnat_argv,
  52    envp of the main program is saved under gnat_envp.
  53    While gnat_argc and gnat_envp are not needed, they are referenced from
  54    the binder-generated file so they need to be defined here */
  55
  56 int gnat_argc = 0;
  57 char **gnat_argv = NULL;
  58 char **gnat_envp = NULL;
  59
  60 int
  61 __gnat_len_arg (int arg_num)
  62 {
  63   if (gnat_argv != NULL)
  64     return strlen (gnat_argv[arg_num]);
  65   else
  66     return 0;
  67 }
  68
  69 void
  70 __gnat_fill_arg (char *a, int i)
  71 {
  72   if (gnat_argv != NULL)
  73     strncpy (a, gnat_argv[i], strlen(gnat_argv[i]));
  74 }
  75
  76 #ifdef __cplusplus
  77 }
  78 #endif