diff options
Diffstat (limited to 'read-cache.c')
| -rw-r--r-- | read-cache.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/read-cache.c b/read-cache.c index 0e345bd..d2aebdd 100644 --- a/read-cache.c +++ b/read-cache.c @@ -464,11 +464,15 @@ int read_cache(void) errno = EBUSY; if (active_cache) - return error("more than one cachefile"); + return active_nr; + errno = ENOENT; fd = open(get_index_file(), O_RDONLY); - if (fd < 0) - return (errno == ENOENT) ? 0 : error("open failed"); + if (fd < 0) { + if (errno == ENOENT) + return 0; + die("index file open failed (%s)", strerror(errno)); + } size = 0; // avoid gcc warning map = MAP_FAILED; @@ -480,7 +484,7 @@ int read_cache(void) } close(fd); if (map == MAP_FAILED) - return error("mmap failed"); + die("index file mmap failed (%s)", strerror(errno)); hdr = map; if (verify_hdr(hdr, size) < 0) @@ -501,7 +505,7 @@ int read_cache(void) unmap: munmap(map, size); errno = EINVAL; - return error("verify header failed"); + die("index file corrupt"); } #define WRITE_BUFFER_SIZE 8192 |