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author | Elliott Hughes <enh@google.com> | 2020-03-10 09:18:22 -0700 |
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committer | Rob Landley <rob@landley.net> | 2020-03-11 09:40:00 -0500 |
commit | e400e605471a5bc6571623b4446c41bfc9eb4942 (patch) | |
tree | 1dc99958bfac5e57865b211b3118515393107b90 /lib/portability.c | |
parent | e6b3ac496f8b72f089247e93e6892bb6fa094976 (diff) | |
download | toybox-e400e605471a5bc6571623b4446c41bfc9eb4942.tar.gz |
Fix Mac build.
The recent re-enablement of the BLKGETSIZE64 code broke the Mac
build. Use the equivalent <sys/disk.h> ioctl() pair instead.
Diffstat (limited to 'lib/portability.c')
-rw-r--r-- | lib/portability.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/portability.c b/lib/portability.c index 28aaf824..145ac474 100644 --- a/lib/portability.c +++ b/lib/portability.c @@ -575,3 +575,23 @@ char *fs_type_name(struct statfs *statfs) return s; #endif } + +#if defined(__APPLE__) +#include <sys/disk.h> +int get_block_device_size(int fd, unsigned long long* size) +{ + unsigned long block_size, block_count; + + if (!ioctl(fd, DKIOCGETBLOCKSIZE, &block_size) && + !ioctl(fd, DKIOCGETBLOCKCOUNT, &block_count)) { + *size = block_count * block_size; + return 1; + } + return 0; +} +#elif defined(__linux__) +int get_block_device_size(int fd, unsigned long long* size) +{ + return (ioctl(fd, BLKGETSIZE64, &size) >= 0); +} +#endif |