diff options
| -rw-r--r-- | builtin/index-pack.c | 14 | ||||
| -rw-r--r-- | builtin/unpack-objects.c | 16 | ||||
| -rw-r--r-- | packfile.c | 17 | ||||
| -rw-r--r-- | packfile.h | 6 |
4 files changed, 30 insertions, 23 deletions
diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 763b01372a..bab42dfc2a 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -1801,18 +1801,10 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) nr_threads = 1; } } else if (starts_with(arg, "--pack_header=")) { - struct pack_header *hdr; - char *c; - - hdr = (struct pack_header *)input_buffer; - hdr->hdr_signature = htonl(PACK_SIGNATURE); - hdr->hdr_version = htonl(strtoul(arg + 14, &c, 10)); - if (*c != ',') - die(_("bad %s"), arg); - hdr->hdr_entries = htonl(strtoul(c + 1, &c, 10)); - if (*c) + if (parse_pack_header_option(arg + 14, + input_buffer, + &input_len) < 0) die(_("bad %s"), arg); - input_len = sizeof(*hdr); } else if (!strcmp(arg, "-v")) { verbose = 1; } else if (!strcmp(arg, "--progress-title")) { diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index 08fa2a7a74..3161447274 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -15,6 +15,7 @@ #include "progress.h" #include "decorate.h" #include "fsck.h" +#include "packfile.h" static int dry_run, quiet, recover, has_errors, strict; static const char unpack_usage[] = "git unpack-objects [-n] [-q] [-r] [--strict]"; @@ -639,18 +640,9 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix UNUSED) continue; } if (starts_with(arg, "--pack_header=")) { - struct pack_header *hdr; - char *c; - - hdr = (struct pack_header *)buffer; - hdr->hdr_signature = htonl(PACK_SIGNATURE); - hdr->hdr_version = htonl(strtoul(arg + 14, &c, 10)); - if (*c != ',') - die("bad %s", arg); - hdr->hdr_entries = htonl(strtoul(c + 1, &c, 10)); - if (*c) - die("bad %s", arg); - len = sizeof(*hdr); + if (parse_pack_header_option(arg + 14, + buffer, &len) < 0) + die(_("bad %s"), arg); continue; } if (skip_prefix(arg, "--max-input-size=", &arg)) { diff --git a/packfile.c b/packfile.c index 813584646f..e2bdadc7cb 100644 --- a/packfile.c +++ b/packfile.c @@ -2294,3 +2294,20 @@ int is_promisor_object(const struct object_id *oid) } return oidset_contains(&promisor_objects, oid); } + +int parse_pack_header_option(const char *in, unsigned char *out, unsigned int *len) +{ + struct pack_header *hdr; + char *c; + + hdr = (struct pack_header *)out; + hdr->hdr_signature = htonl(PACK_SIGNATURE); + hdr->hdr_version = htonl(strtoul(in, &c, 10)); + if (*c != ',') + return -1; + hdr->hdr_entries = htonl(strtoul(c + 1, &c, 10)); + if (*c) + return -1; + *len = sizeof(*hdr); + return 0; +} diff --git a/packfile.h b/packfile.h index eb18ec15db..41f38b4832 100644 --- a/packfile.h +++ b/packfile.h @@ -210,4 +210,10 @@ int is_promisor_object(const struct object_id *oid); int load_idx(const char *path, const unsigned int hashsz, void *idx_map, size_t idx_size, struct packed_git *p); +/* + * Parse a --pack_header option as accepted by index-pack and unpack-objects, + * turning it into the matching bytes we'd find in a pack. + */ +int parse_pack_header_option(const char *in, unsigned char *out, unsigned int *len); + #endif |
