Add functions to list supported hashes/compressors - dedup - deduplicating backup program
HTML git clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/
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---
DIR commit 0b8ebd8c3ba33a27f9d04d031eeedf979c4a83bb
DIR parent c764e111ff91c26bed375f5cf2484221d0144c78
HTML Author: sin <sin@2f30.org>
Date: Wed, 17 Apr 2019 15:16:13 +0100
Add functions to list supported hashes/compressors
Diffstat:
M compress.c | 10 ++++++++++
M dedup.c | 8 ++++++++
M dedup.h | 2 ++
M hash.c | 10 ++++++++++
4 files changed, 30 insertions(+), 0 deletions(-)
---
DIR diff --git a/compress.c b/compress.c
@@ -2,6 +2,7 @@
#include <err.h>
#include <stdint.h>
+#include <stdio.h>
#include <string.h>
#include <strings.h>
@@ -111,3 +112,12 @@ compr_type2name(int type)
return NULL;
return algo->name;
}
+
+void
+compr_list(int fd)
+{
+ struct algomap *algo;
+
+ for (algo = &algomap[0]; algo->name != NULL; algo++)
+ dprintf(fd, "%s\n", algo->name);
+}
DIR diff --git a/dedup.c b/dedup.c
@@ -594,12 +594,20 @@ main(int argc, char *argv[])
ARGBEGIN {
case 'H':
hash_name = EARGF(usage());
+ if (strcmp(hash_name, "?") == 0) {
+ hash_list(STDERR_FILENO);
+ return 0;
+ }
hash_algo = hash_name2type(hash_name);
if (hash_algo < 0)
errx(1, "unknown hash: %s", hash_name);
break;
case 'Z':
compr_name = EARGF(usage());
+ if (strcmp(compr_name, "?") == 0) {
+ compr_list(STDERR_FILENO);
+ return 0;
+ }
compr_algo = compr_name2type(compr_name);
if (compr_algo < 0)
errx(1, "unknown compressor: %s", compr_name);
DIR diff --git a/dedup.h b/dedup.h
@@ -145,6 +145,7 @@ size_t decompr(struct compr_ctx *ctx, const void *in, void *out,
int compr_final(struct compr_ctx *ctx);
int compr_name2type(char *name);
char *compr_type2name(int type);
+void compr_list(int fd);
/* hash-blake2b.c */
int blake2bi(struct hash_ctx *ctx, size_t n);
@@ -172,6 +173,7 @@ int hash_update(struct hash_ctx *ctx, const void *buf, size_t n);
int hash_final(struct hash_ctx *ctx, void *buf, size_t n);
int hash_name2type(char *name);
char *hash_type2name(int type);
+void hash_list(int fd);
/* icache.c */
struct icache *alloc_icache(void);
DIR diff --git a/hash.c b/hash.c
@@ -1,6 +1,7 @@
#include <sys/types.h>
#include <stdint.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
@@ -93,3 +94,12 @@ hash_type2name(int type)
return NULL;
return algo->name;
}
+
+void
+hash_list(int fd)
+{
+ struct algomap *algo;
+
+ for (algo = &algomap[0]; algo->name != NULL; algo++)
+ dprintf(fd, "%s\n", algo->name);
+}