diff options
Diffstat (limited to 'src/H5FDmpio.c')
| -rw-r--r-- | src/H5FDmpio.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/src/H5FDmpio.c b/src/H5FDmpio.c index 87f8b6a..f9d1032 100644 --- a/src/H5FDmpio.c +++ b/src/H5FDmpio.c @@ -187,15 +187,15 @@ done: /*------------------------------------------------------------------------- - * Function: H5FD_mpio_init + * Function: H5FD_mpio_init * - * Purpose: Initialize this driver by registering the driver with the - * library. + * Purpose: Initialize this driver by registering the driver with the + * library. * - * Return: Success: The driver ID for the mpio driver. - * Failure: Negative. + * Return: Success: The driver ID for the mpio driver + * Failure: H5I_INVALID_HID * - * Programmer: Robb Matzke + * Programmer: Robb Matzke * Thursday, August 5, 1999 * *------------------------------------------------------------------------- @@ -206,10 +206,10 @@ H5FD_mpio_init(void) #ifdef H5FDmpio_DEBUG static int H5FD_mpio_Debug_inited = 0; #endif /* H5FDmpio_DEBUG */ - const char *s; /* String for environment variables */ - hid_t ret_value; /* Return value */ + const char *s; /* String for environment variables */ + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_NOAPI(FAIL) + FUNC_ENTER_NOAPI(H5I_INVALID_HID) /* Register the MPI-IO VFD, if it isn't already */ if(H5I_VFL != H5I_get_type(H5FD_MPIO_g)) @@ -217,8 +217,10 @@ H5FD_mpio_init(void) /* Allow MPI buf-and-file-type optimizations? */ s = HDgetenv("HDF5_MPI_OPT_TYPES"); - if(s && HDisdigit(*s)) - H5FD_mpi_opt_types_g = (hbool_t)HDstrtol(s, NULL, 0); + if(s && HDisdigit(*s)) { + long env_val = HDstrtol(s, NULL, 0); + H5FD_mpi_opt_types_g = (0 == env_val) ? FALSE : TRUE; + } #ifdef H5FDmpio_DEBUG if(!H5FD_mpio_Debug_inited) { @@ -226,12 +228,12 @@ H5FD_mpio_init(void) s = HDgetenv("H5FD_mpio_Debug"); if(s) { /* Set debug mask */ - while(*s) { - H5FD_mpio_Debug[(int)*s]++; - s++; - } /* end while */ + while(*s) { + H5FD_mpio_Debug[(int)*s]++; + s++; + } /* end while */ } /* end if */ - H5FD_mpio_Debug_inited++; + H5FD_mpio_Debug_inited++; } /* end if */ #endif /* H5FDmpio_DEBUG */ |