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https://github.com/radareorg/radare2.git
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110 lines
2.2 KiB
C
110 lines
2.2 KiB
C
#include <r_diff.h>
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int cb(struct r_diff_t *d, void *user, struct r_diff_op_t *op)
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{
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int i;
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printf(" 0x%08"PFMT64x" ", op->a_off);
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for(i = 0;i<op->a_len;i++)
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printf("%02x", op->a_buf[i]);
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printf(" => ");
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for(i = 0;i<op->b_len;i++)
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printf("%02x", op->b_buf[i]);
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printf(" 0x%08"PFMT64x"\n", op->b_off);
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return 1;
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}
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int test_equal()
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{
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struct r_diff_t *d;
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char *bufa = "helloworld";
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char *bufb = "heprswarld";
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printf("Diffing '%s' vs '%s'\n", bufa, bufb);
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d = r_diff_new (0, 0);
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r_diff_set_delta(d, 0);
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r_diff_set_callback(d, &cb, NULL);
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r_diff_buffers(d, (ut8*)bufa, strlen(bufa), (ut8*)bufb, strlen((char*)bufb));
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return 1;
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}
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int test_diff()
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{
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struct r_diff_t *d;
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char *bufa = "hello";
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char *bufb = "hellpworld";
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printf("Truncated diffing '%s' vs '%s'\n", bufa, bufb);
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d = r_diff_new (0, 0);
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r_diff_set_delta(d, 0);
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r_diff_set_callback(d, &cb, NULL);
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r_diff_buffers(d, (ut8*)bufa, strlen(bufa), (ut8*)bufb, strlen(bufb));
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return 1;
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}
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int test_delta()
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{
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struct r_diff_t *d;
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char *bufa = "hello";
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char *bufb = "heprpworld";
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printf("Delta diffing '%s' vs '%s'\n", bufa, bufb);
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d = r_diff_new(0, 0);
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r_diff_set_delta(d, 1);
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r_diff_set_callback(d, &cb, NULL);
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r_diff_buffers(d, (ut8*)bufa, strlen(bufa), (ut8*)bufb, strlen(bufb));
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return 1;
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}
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int test_distance()
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{
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char *bufa = "hello";
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char *bufb = "heprpworld";
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ut32 distance = 0;
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double similarity = 0;
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printf("Similarity: '%s' vs '%s'\n", bufa, bufb);
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r_diff_buffers_distance(NULL, (ut8*)bufa, strlen(bufa), (ut8*)bufb, strlen(bufb),
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&distance, &similarity);
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printf("Levenshtein distance = %i\nSimilarity = %f\n",
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distance, similarity);
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return 1;
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}
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#if 0
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int test_lines(char *file1, char *file2)
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{
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int ret;
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char *b1, *b2;
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int s1, s2;
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b1 = r_file_slurp(file1, &s1);
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b2 = r_file_slurp(file2, &s2);
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if (b1==NULL || b2 == NULL) {
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eprintf ("Cannot open %s or %s\n", file1, file2);
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return 0;
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}
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ret = r_diff_lines(file1, b1, s1, file2, b2, s2);
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printf("Differences: %d\n", ret);
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return ret;
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}
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#endif
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int main()
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{
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test_equal();
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printf("--\n");
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test_equal();
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printf("--\n");
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test_diff();
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printf("--\n");
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test_delta();
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printf("--\n");
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test_distance();
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printf("--\n");
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// test_lines("file1", "file2");
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return 0;
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}
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