X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=csum-file.c;h=b7174c6c056c5a8f2a800ecbcb3cdf304c0bfc3f;hb=fc61e313da0a124e9f6a213cd76944a8c4e6c918;hp=3ab65b7515d5a4cb9c8d9b6c4f8eb32121d3c628;hpb=2700628e64939c9496f8ca532b7c188e5927d500;p=git.git diff --git a/csum-file.c b/csum-file.c index 3ab65b751..b7174c6c0 100644 --- a/csum-file.c +++ b/csum-file.c @@ -10,23 +10,21 @@ #include "cache.h" #include "csum-file.h" -static int sha1flush(struct sha1file *f, unsigned int count) +static void sha1flush(struct sha1file *f, unsigned int count) { void *buf = f->buffer; for (;;) { - int ret = write(f->fd, buf, count); + int ret = xwrite(f->fd, buf, count); if (ret > 0) { - buf += ret; + buf = (char *) buf + ret; count -= ret; if (count) continue; - return 0; + return; } if (!ret) die("sha1 file '%s' write error. Out of diskspace", f->name); - if (errno == EAGAIN || errno == EINTR) - continue; die("sha1 file '%s' write error (%s)", f->name, strerror(errno)); } } @@ -40,11 +38,12 @@ int sha1close(struct sha1file *f, unsigned char *result, int update) } SHA1_Final(f->buffer, &f->ctx); if (result) - memcpy(result, f->buffer, 20); + hashcpy(result, f->buffer); if (update) sha1flush(f, 20); if (close(f->fd)) die("%s: sha1 file error on close (%s)", f->name, strerror(errno)); + free(f); return 0; } @@ -58,7 +57,7 @@ int sha1write(struct sha1file *f, void *buf, unsigned int count) memcpy(f->buffer + offset, buf, nr); count -= nr; offset += nr; - buf += nr; + buf = (char *) buf + nr; left -= nr; if (!left) { SHA1_Update(&f->ctx, f->buffer, offset); @@ -86,7 +85,7 @@ struct sha1file *sha1create(const char *fmt, ...) die("you wascally wabbit, you"); f->namelen = len; - fd = open(f->name, O_CREAT | O_EXCL | O_WRONLY, 0644); + fd = open(f->name, O_CREAT | O_EXCL | O_WRONLY, 0666); if (fd < 0) die("unable to open %s (%s)", f->name, strerror(errno)); f->fd = fd; @@ -96,6 +95,26 @@ struct sha1file *sha1create(const char *fmt, ...) return f; } +struct sha1file *sha1fd(int fd, const char *name) +{ + struct sha1file *f; + unsigned len; + + f = xmalloc(sizeof(*f)); + + len = strlen(name); + if (len >= PATH_MAX) + die("you wascally wabbit, you"); + f->namelen = len; + memcpy(f->name, name, len+1); + + f->fd = fd; + f->error = 0; + f->offset = 0; + SHA1_Init(&f->ctx); + return f; +} + int sha1write_compressed(struct sha1file *f, void *in, unsigned int size) { z_stream stream; @@ -103,7 +122,7 @@ int sha1write_compressed(struct sha1file *f, void *in, unsigned int size) void *out; memset(&stream, 0, sizeof(stream)); - deflateInit(&stream, Z_DEFAULT_COMPRESSION); + deflateInit(&stream, zlib_compression_level); maxsize = deflateBound(&stream, size); out = xmalloc(maxsize);