| 51 | } |
| 52 | |
| 53 | static int compare_variables(struct variable_s *list1, |
| 54 | struct variable_s *list2) |
| 55 | { |
| 56 | char *varval1; |
| 57 | char *varval2; |
| 58 | int ret = 0; |
| 59 | |
| 60 | while (list1 || list2) |
| 61 | { |
| 62 | if (list1 && list1->val) |
| 63 | { |
| 64 | varval1 = list1->val; |
| 65 | } |
| 66 | else |
| 67 | { |
| 68 | varval1 = "<NULL>"; |
| 69 | } |
| 70 | |
| 71 | if (list2 && list2->val) |
| 72 | { |
| 73 | varval2 = list2->val; |
| 74 | } |
| 75 | else |
| 76 | { |
| 77 | varval2 = "<NULL>"; |
| 78 | } |
| 79 | |
| 80 | if (!list1) |
| 81 | { |
| 82 | printf("file1:\n"); |
| 83 | printf("file2: %s=%s\n\n", list2->var, varval2); |
| 84 | list2 = list2->flink; |
| 85 | ret = EXIT_FAILURE; |
| 86 | } |
| 87 | else if (!list2) |
| 88 | { |
| 89 | printf("file1: %s=%s\n", list1->var, varval1); |
| 90 | printf("file2:\n\n"); |
| 91 | list1 = list1->flink; |
| 92 | ret = EXIT_FAILURE; |
| 93 | } |
| 94 | else |
| 95 | { |
| 96 | int result; |
| 97 | |
| 98 | result = strcmp(list1->var, list2->var); |
| 99 | if (result < 0) |
| 100 | { |
| 101 | printf("file1: %s=%s\n", list1->var, varval1); |
| 102 | printf("file2:\n\n"); |
| 103 | list1 = list1->flink; |
| 104 | ret = EXIT_FAILURE; |
| 105 | } |
| 106 | else if (result > 0) |
| 107 | { |
| 108 | printf("file1:\n"); |
| 109 | printf("file2: %s=%s\n\n", list2->var, varval2); |
| 110 | list2 = list2->flink; |