diff options
Diffstat (limited to 'tools/test/h5dump/binread.c')
| -rw-r--r-- | tools/test/h5dump/binread.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tools/test/h5dump/binread.c b/tools/test/h5dump/binread.c new file mode 100644 index 0000000..484e354 --- /dev/null +++ b/tools/test/h5dump/binread.c @@ -0,0 +1,93 @@ + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + This program reads binary output from h5dump (-b option). + To use change the following 3 symbols accordingly. + For example, to read 2 elements of a float type , define + + #define NELMTS 2 + #define TYPE float + #define FORMAT "%f " + +*/ + +#define NELMTS 6 +#define TYPE int +#define FORMAT "%d " + +/*------------------------------------------------------------------------- + * Function: usage + * + * Purpose: Prints a usage message on stderr and then returns. + * + * Return: void + * + * Programmer: Pedro Vicente Nunes + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static void +usage(void) +{ + fprintf(stderr, "usage: binread FILE_NAME\n"); +} + +/*------------------------------------------------------------------------- + * Function: main + * + * Purpose: main program. + * + *------------------------------------------------------------------------- + */ + +int +main(int argc, char *argv[]) +{ + FILE *stream; + size_t numread; + TYPE buf[NELMTS]; + size_t i, nelmts = NELMTS; + char *fname = NULL; + + if (argc != 2) { + usage(); + exit(1); + } + + fname = strdup(argv[1]); + + if ((stream = fopen(fname, "rb")) != NULL) { + numread = fread(buf, sizeof(TYPE), nelmts, stream); + printf("Number of items read = %llu\n", (unsigned long long)numread); + + for (i = 0; i < nelmts; i++) { + printf(FORMAT, buf[i]); + } + printf("\n"); + + fclose(stream); + } + else + printf("File %s could not be opened\n", fname); + + free(fname); + + return 0; +} |
