summaryrefslogtreecommitdiff
path: root/wrapper.c
diff options
context:
space:
mode:
Diffstat (limited to 'wrapper.c')
-rw-r--r--wrapper.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/wrapper.c b/wrapper.c
index c9be1400c0..9c71b21242 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -34,6 +34,16 @@ void *xmalloc(size_t size)
return ret;
}
+void *xmallocz(size_t size)
+{
+ void *ret;
+ if (size + 1 < size)
+ die("Data too large to fit into virtual memory space.");
+ ret = xmalloc(size + 1);
+ ((char*)ret)[size] = 0;
+ return ret;
+}
+
/*
* xmemdupz() allocates (len + 1) bytes of memory, duplicates "len" bytes of
* "data" to the allocated memory, zero terminates the allocated memory,
@@ -42,10 +52,7 @@ void *xmalloc(size_t size)
*/
void *xmemdupz(const void *data, size_t len)
{
- char *p = xmalloc(len + 1);
- memcpy(p, data, len);
- p[len] = '\0';
- return p;
+ return memcpy(xmallocz(len), data, len);
}
char *xstrndup(const char *str, size_t len)
@@ -197,6 +204,16 @@ int xmkstemp(char *template)
return fd;
}
+int xmkstemp_mode(char *template, int mode)
+{
+ int fd;
+
+ fd = git_mkstemp_mode(template, mode);
+ if (fd < 0)
+ die_errno("Unable to create temporary file");
+ return fd;
+}
+
/*
* zlib wrappers to make sure we don't silently miss errors
* at init time.
@@ -260,10 +277,14 @@ int git_inflate(z_streamp strm, int flush)
int odb_mkstemp(char *template, size_t limit, const char *pattern)
{
int fd;
-
+ /*
+ * we let the umask do its job, don't try to be more
+ * restrictive except to remove write permission.
+ */
+ int mode = 0444;
snprintf(template, limit, "%s/%s",
get_object_directory(), pattern);
- fd = mkstemp(template);
+ fd = git_mkstemp_mode(template, mode);
if (0 <= fd)
return fd;
@@ -272,7 +293,7 @@ int odb_mkstemp(char *template, size_t limit, const char *pattern)
snprintf(template, limit, "%s/%s",
get_object_directory(), pattern);
safe_create_leading_directories(template);
- return xmkstemp(template);
+ return xmkstemp_mode(template, mode);
}
int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1)