diff options
Diffstat (limited to 'third_party/git/compat/mmap.c')
-rw-r--r-- | third_party/git/compat/mmap.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/third_party/git/compat/mmap.c b/third_party/git/compat/mmap.c deleted file mode 100644 index 14d31010dfe5..000000000000 --- a/third_party/git/compat/mmap.c +++ /dev/null @@ -1,40 +0,0 @@ -#include "../git-compat-util.h" - -void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset) -{ - size_t n = 0; - - if (start != NULL || flags != MAP_PRIVATE || prot != PROT_READ) - die("Invalid usage of mmap when built with NO_MMAP"); - - start = xmalloc(length); - if (start == NULL) { - errno = ENOMEM; - return MAP_FAILED; - } - - while (n < length) { - ssize_t count = xpread(fd, (char *)start + n, length - n, offset + n); - - if (count == 0) { - memset((char *)start+n, 0, length-n); - break; - } - - if (count < 0) { - free(start); - errno = EACCES; - return MAP_FAILED; - } - - n += count; - } - - return start; -} - -int git_munmap(void *start, size_t length) -{ - free(start); - return 0; -} |