diff options
Diffstat (limited to 'test/h5test.c')
-rw-r--r-- | test/h5test.c | 97 |
1 files changed, 74 insertions, 23 deletions
diff --git a/test/h5test.c b/test/h5test.c index c6382dc..1951803 100644 --- a/test/h5test.c +++ b/test/h5test.c @@ -586,44 +586,95 @@ h5_show_hostname(void) #ifdef H5_HAVE_PARALLEL /* * Function: h5_set_info_object - * Purpose: Process environment variables setting to set up MPI Info object. + * Purpose: Process environment variables setting to set up MPI Info + * object. * Return: 0 if all is fine; otherwise non-zero. * Programmer: Albert Cheng, 2002/05/21. * Modifications: + * Bill Wendling, 2002/05/31 + * Modified so that the HDF5_MPI_INFO environment variable can + * be a semicolon separated list of "key=value" pairings. Most + * of the code is to remove any whitespaces which might be + * surrounding the "key=value" pairs. */ int h5_set_info_object(void) { char *envp; /* environment pointer */ - char *namep, *valp; /* name, value pointers */ int ret_value=0; /* handle any MPI INFO hints via $HDF5_MPI_INFO */ if ((envp = getenv("HDF5_MPI_INFO")) != NULL){ - envp = HDstrdup(envp); - - /* create an INFO object if not created yet */ - if (h5_io_info_g==MPI_INFO_NULL) - MPI_Info_create (&h5_io_info_g); - - /* parse only one setting. Need to extend it to handle multiple */ - /* settings. LATER */ - namep=envp; - valp=HDstrchr(namep, '='); - if (valp != NULL){ - /* change '=' to NULL, move valp down one */ - *valp++ = NULL; - if (MPI_SUCCESS!=MPI_Info_set(h5_io_info_g, namep, valp)){ - printf("MPI_Info_set failed\n"); - ret_value = -1; - } + char *next, *valp; - } + valp = envp = next = HDstrdup(envp); + + /* create an INFO object if not created yet */ + if (h5_io_info_g == MPI_INFO_NULL) + MPI_Info_create(&h5_io_info_g); + + do { + size_t len; + char *key_val, *endp, *namep; + + if (*valp == ';') + valp++; + + /* copy key/value pair into temporary buffer */ + len = strcspn(valp, ";"); + next = &valp[len]; + key_val = calloc(1, len + 1); + + /* increment the next pointer past the terminating semicolon */ + if (*next == ';') + ++next; + + namep = HDstrncpy(key_val, valp, len); + + /* pass up any beginning whitespaces */ + while (*namep && (*namep == ' ' || *namep == '\t')) + namep++; + + /* eat up any ending white spaces */ + endp = &namep[strlen(namep) - 1]; + + while (endp && (*endp == ' ' || *endp == '\t')) + *endp-- = '\0'; + + /* find the '=' */ + valp = HDstrchr(namep, '='); + + if (valp != NULL) { /* it's a valid key/value pairing */ + char *tmp_val = valp + 1; + + /* change '=' to \0, move valp down one */ + *valp-- = '\0'; + + /* eat up ending whitespace on the "key" part */ + while (*valp == ' ' || *valp == '\t') + *valp-- = '\0'; + + valp = tmp_val; + + /* eat up beginning whitespace on the "value" part */ + while (*valp == ' ' || *valp == '\t') + *valp++ = '\0'; + + /* actually set the darned thing */ + if (MPI_SUCCESS != MPI_Info_set(h5_io_info_g, namep, valp)) { + printf("MPI_Info_set failed\n"); + ret_value = -1; + } + } + + valp = next; + HDfree(key_val); + } while (next && *next); + + HDfree(envp); } - if (envp) - HDfree(envp); - return(ret_value); + return ret_value; } |