| Line | Source | Count |
|---|
| 1 | | - |
| 2 | #include <stdio.h> | - |
| 3 | #include <stdlib.h> | - |
| 4 | #include <string.h> | - |
| 5 | #include <openssl/objects.h> | - |
| 6 | #include <openssl/comp.h> | - |
| 7 | | - |
| 8 | static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, | - |
| 9 | unsigned int olen, unsigned char *in, unsigned int ilen); | - |
| 10 | static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, | - |
| 11 | unsigned int olen, unsigned char *in, unsigned int ilen); | - |
| 12 | | - |
| 13 | static COMP_METHOD rle_method = { | - |
| 14 | .type = NID_rle_compression, | - |
| 15 | .name = LN_rle_compression, | - |
| 16 | .compress = rle_compress_block, | - |
| 17 | .expand = rle_expand_block | - |
| 18 | }; | - |
| 19 | | - |
| 20 | COMP_METHOD * | - |
| 21 | COMP_rle(void) | - |
| 22 | { | - |
| 23 | return (&rle_method); never executed: return (&rle_method); | 0 |
| 24 | } | - |
| 25 | | - |
| 26 | static int | - |
| 27 | rle_compress_block(COMP_CTX *ctx, unsigned char *out, unsigned int olen, | - |
| 28 | unsigned char *in, unsigned int ilen) | - |
| 29 | { | - |
| 30 | | - |
| 31 | if (ilen == 0 || olen < (ilen - 1)) {| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 32 | return (-1); never executed: return (-1); | 0 |
| 33 | } | - |
| 34 | | - |
| 35 | *(out++) = 0; | - |
| 36 | memcpy(out, in, ilen); | - |
| 37 | return (ilen + 1); never executed: return (ilen + 1); | 0 |
| 38 | } | - |
| 39 | | - |
| 40 | static int | - |
| 41 | rle_expand_block(COMP_CTX *ctx, unsigned char *out, unsigned int olen, | - |
| 42 | unsigned char *in, unsigned int ilen) | - |
| 43 | { | - |
| 44 | int i; | - |
| 45 | | - |
| 46 | if (olen < (ilen - 1)) {| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 47 | return (-1); never executed: return (-1); | 0 |
| 48 | } | - |
| 49 | | - |
| 50 | i= *(in++); | - |
| 51 | if (i == 0) {| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 52 | memcpy(out, in, ilen - 1); | - |
| 53 | } never executed: end of block | 0 |
| 54 | return (ilen - 1); never executed: return (ilen - 1); | 0 |
| 55 | } | - |
| | |