diff options
Diffstat (limited to 'csum-file.c')
| -rw-r--r-- | csum-file.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/csum-file.c b/csum-file.c index 53f5375b6c..a172199e44 100644 --- a/csum-file.c +++ b/csum-file.c @@ -11,7 +11,7 @@ #include "progress.h" #include "csum-file.h" -static void flush(struct sha1file *f, void *buf, unsigned int count) +static void flush(struct sha1file *f, const void *buf, unsigned int count) { if (0 <= f->check_fd && count) { unsigned char check_buffer[8192]; @@ -86,13 +86,13 @@ int sha1close(struct sha1file *f, unsigned char *result, unsigned int flags) return fd; } -int sha1write(struct sha1file *f, void *buf, unsigned int count) +void sha1write(struct sha1file *f, const void *buf, unsigned int count) { while (count) { unsigned offset = f->offset; unsigned left = sizeof(f->buffer) - offset; unsigned nr = count > left ? left : count; - void *data; + const void *data; if (f->do_crc) f->crc32 = crc32(f->crc32, buf, nr); @@ -116,7 +116,6 @@ int sha1write(struct sha1file *f, void *buf, unsigned int count) } f->offset = offset; } - return 0; } struct sha1file *sha1fd(int fd, const char *name) @@ -131,14 +130,10 @@ struct sha1file *sha1fd_check(const char *name) sink = open("/dev/null", O_WRONLY); if (sink < 0) - return NULL; + die_errno("unable to open /dev/null"); check = open(name, O_RDONLY); - if (check < 0) { - int saved_errno = errno; - close(sink); - errno = saved_errno; - return NULL; - } + if (check < 0) + die_errno("unable to open '%s'", name); f = sha1fd(sink, name); f->check_fd = check; return f; |