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author | Mattias Andrée <maandree@operamail.com> | 2013-02-07 20:15:30 +0100 |
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committer | Mattias Andrée <maandree@operamail.com> | 2013-02-07 20:15:30 +0100 |
commit | f69073bfe9b8566e456c9e1771db9da9ddd7182d (patch) | |
tree | 3e3d320b609b5f60aed0521735326387242d145c /c/sha3sum.c | |
parent | resolve pedantic warnings (diff) | |
download | sha3sum-f69073bfe9b8566e456c9e1771db9da9ddd7182d.tar.gz sha3sum-f69073bfe9b8566e456c9e1771db9da9ddd7182d.tar.bz2 sha3sum-f69073bfe9b8566e456c9e1771db9da9ddd7182d.tar.xz |
error in java version detected (c is identical) + c implemention other wise complete but not optimised (and misses blksize reading)
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'c/sha3sum.c')
-rw-r--r-- | c/sha3sum.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/c/sha3sum.c b/c/sha3sum.c index 4e2198b..993cf94 100644 --- a/c/sha3sum.c +++ b/c/sha3sum.c @@ -26,6 +26,8 @@ #define true 1 #define null 0 +#define HEXADECA "0123456789ABCDEF" + /** * String equality comparator @@ -53,8 +55,8 @@ long parseInt(char* str) { long rc = 0; while (*str) - rc = rc * 10 - (*str & 15); - return rc; + rc = rc * 10 - (*str++ & 15); + return -rc; } @@ -77,6 +79,8 @@ int main(int argc, char** argv) long a = 0, an = argc - 1; char** args = argv + 1; + *linger = 0; + s = -1; for (i = 0; *(cmd + i); i++) @@ -162,6 +166,10 @@ int main(int argc, char** argv) printf("\n"); fflush(stdout); fflush(stderr); + if (freelinger) + free(*linger); + free(linger); + free(files); return 2; } else @@ -188,12 +196,16 @@ int main(int argc, char** argv) fprintf(stderr, "%s: unrecognised option: %s\n", cmd, *linger); fflush(stdout); fflush(stderr); + if (freelinger) + free(*linger); + free(linger); + free(files); return 1; } } if (freelinger) free(*linger); - freelinger = true; + freelinger = false; *linger = null; if (arg == null) continue; @@ -245,7 +257,7 @@ int main(int argc, char** argv) { char* _ = (char*)malloc(3); *_++ = '-'; *_++ = *arg; *_ = 0; - linger[0] = _ - 3; + linger[0] = _ - 2; } { long _ = 0; @@ -269,6 +281,7 @@ int main(int argc, char** argv) fprintf(stderr, "%s: sorry, I will only do at least one iteration!\n", cmd); fflush(stdout); fflush(stderr); + free(files); return 3; } @@ -301,7 +314,7 @@ int main(int argc, char** argv) initialise(r, c, o); blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/ - chunk = malloc(blksize); + chunk = (char*)malloc(blksize); for (;;) { long read = fread(chunk, 1, blksize, file); @@ -311,11 +324,15 @@ int main(int argc, char** argv) } free(chunk); bs = digest(null, 0); + dispose(); bn = (o + 7) >> 3; for (_ = 1; _ < i; _++) { + char* _ = bs; initialise(r, c, o); bs = digest(bs, bn); + free(_); + dispose(); } if (binary) @@ -340,8 +357,9 @@ int main(int argc, char** argv) rc = malloc((bn << 1) + 3 + (filename == null ? 1 : 0) + flen); for (b = 0; b < bn; b++) { - *(rc + rcptr++) = "0123456789ABCDEF"[(bs[b] >> 4) & 15]; - *(rc + rcptr++) = "0123456789ABCDEF"[bs[b] & 15]; + char v = bs[b]; + *(rc + rcptr++) = HEXADECA[(v >> 4) & 15]; + *(rc + rcptr++) = HEXADECA[v & 15]; } *(rc + rcptr++) = ' '; if (filename == null) @@ -373,7 +391,10 @@ int main(int argc, char** argv) fflush(stdout); fflush(stderr); if (fail) - return 5; + { + free(files); + return 5; + } } free(files); |