1 /* 2 * libfdt - Flat Device Tree manipulation 3 * Testcase for fdt_delprop() 4 * Copyright (C) 2006 David Gibson, IBM Corporation. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public License 8 * as published by the Free Software Foundation; either version 2.1 of 9 * the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #include <stdlib.h> 22 #include <stdio.h> 23 #include <string.h> 24 #include <ctype.h> 25 #include <stdint.h> 26 27 #include <libfdt.h> 28 29 #include "tests.h" 30 #include "testdata.h" 31 32 int main(int argc, char *argv[]) 33 { 34 void *fdt; 35 const uint32_t *intp; 36 const char *strp; 37 int err, lenerr; 38 int oldsize, delsize, newsize; 39 40 test_init(argc, argv); 41 fdt = load_blob_arg(argc, argv); 42 43 fdt = open_blob_rw(fdt); 44 45 oldsize = fdt_totalsize(fdt); 46 47 intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1); 48 verbose_printf("int value was 0x%08x\n", *intp); 49 50 err = fdt_delprop(fdt, 0, "prop-int"); 51 if (err) 52 FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err)); 53 54 intp = fdt_getprop(fdt, 0, "prop-int", &lenerr); 55 if (intp) 56 FAIL("prop-int still present after deletion"); 57 if (lenerr != -FDT_ERR_NOTFOUND) 58 FAIL("Unexpected error on second getprop: %s", 59 fdt_strerror(lenerr)); 60 61 strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1, 62 TEST_STRING_1); 63 verbose_printf("string value was \"%s\"\n", strp); 64 err = fdt_delprop(fdt, 0, "prop-str"); 65 if (err) 66 FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err)); 67 68 strp = fdt_getprop(fdt, 0, "prop-str", &lenerr); 69 if (strp) 70 FAIL("prop-str still present after deletion"); 71 if (lenerr != -FDT_ERR_NOTFOUND) 72 FAIL("Unexpected error on second getprop: %s", 73 fdt_strerror(lenerr)); 74 75 delsize = fdt_totalsize(fdt); 76 77 err = fdt_pack(fdt); 78 if (err) 79 FAIL("fdt_pack(): %s\n", fdt_strerror(err)); 80 81 newsize = fdt_totalsize(fdt); 82 83 verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n", 84 oldsize, delsize, newsize); 85 86 if (newsize >= oldsize) 87 FAIL("Tree failed to shrink after deletions"); 88 89 PASS(); 90 } 91
