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| author | kinichiro <kinichiro.inoguchi@gmail.com> | 2018-02-25 01:59:39 +0900 |
|---|---|---|
| committer | kinichiro <kinichiro.inoguchi@gmail.com> | 2018-02-25 21:56:05 +0900 |
| commit | 3681d02253d29229e265720984ce81a35206de4c (patch) | |
| tree | 95590bed234fb09e40e14feb5cdb6c0120f07334 /tls/compat/pread.c | |
| parent | 47781e69e2946011ea7bd0723e98a2fedff88980 (diff) | |
| download | portable-3681d02253d29229e265720984ce81a35206de4c.tar.gz portable-3681d02253d29229e265720984ce81a35206de4c.tar.bz2 portable-3681d02253d29229e265720984ce81a35206de4c.zip | |
Add compat bits for libtls on Windows
Diffstat (limited to 'tls/compat/pread.c')
| -rw-r--r-- | tls/compat/pread.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tls/compat/pread.c b/tls/compat/pread.c new file mode 100644 index 0000000..f0c9a2f --- /dev/null +++ b/tls/compat/pread.c | |||
| @@ -0,0 +1,23 @@ | |||
| 1 | /* | ||
| 2 | * Public domain | ||
| 3 | * | ||
| 4 | * Kinichiro Inoguchi <inoguchi@openbsd.org> | ||
| 5 | */ | ||
| 6 | |||
| 7 | #include <unistd.h> | ||
| 8 | |||
| 9 | ssize_t | ||
| 10 | pread(int d, void *buf, size_t nbytes, off_t offset) | ||
| 11 | { | ||
| 12 | off_t cpos, opos, rpos; | ||
| 13 | ssize_t bytes; | ||
| 14 | if((cpos = lseek(d, 0, SEEK_CUR)) == -1) | ||
| 15 | return -1; | ||
| 16 | if((opos = lseek(d, offset, SEEK_SET)) == -1) | ||
| 17 | return -1; | ||
| 18 | if((bytes = read(d, buf, nbytes)) == -1) | ||
| 19 | return -1; | ||
| 20 | if((rpos = lseek(d, cpos, SEEK_SET)) == -1) | ||
| 21 | return -1; | ||
| 22 | return bytes; | ||
| 23 | } | ||