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Merge pull request #2685 from libgit2/cmn/mmap-readable

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Fix segmentation fault observed on OpenBSD/sparc64
This commit is contained in:
Edward Thomson 2014-11-03 14:52:34 +01:00
commit 0fab748e91
1 changed files with 2 additions and 4 deletions
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6
src/unix/map.c
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@ -26,7 +26,7 @@ int git__page_size(size_t *page_size)
int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offset) int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offset)
{ {
int mprot = 0; int mprot = PROT_READ;
int mflag = 0; int mflag = 0;
GIT_MMAP_VALIDATE(out, len, prot, flags); GIT_MMAP_VALIDATE(out, len, prot, flags);
@ -35,9 +35,7 @@ int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offs
out->len = 0; out->len = 0;
if (prot & GIT_PROT_WRITE) if (prot & GIT_PROT_WRITE)
mprot = PROT_WRITE; mprot |= PROT_WRITE;
else if (prot & GIT_PROT_READ)
mprot = PROT_READ;
if ((flags & GIT_MAP_TYPE) == GIT_MAP_SHARED) if ((flags & GIT_MAP_TYPE) == GIT_MAP_SHARED)
mflag = MAP_SHARED; mflag = MAP_SHARED;