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-rw-r--r--wrapper.c49
1 files changed, 42 insertions, 7 deletions
diff --git a/wrapper.c b/wrapper.c
index 0542fc7582..36630e5d18 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -2,6 +2,7 @@
* Various trivial helper wrappers around standard functions
*/
#include "cache.h"
+#include "config.h"
static void do_nothing(size_t size)
{
@@ -418,6 +419,32 @@ FILE *fopen_for_writing(const char *path)
return ret;
}
+static void warn_on_inaccessible(const char *path)
+{
+ warning_errno(_("unable to access '%s'"), path);
+}
+
+int warn_on_fopen_errors(const char *path)
+{
+ if (errno != ENOENT && errno != ENOTDIR) {
+ warn_on_inaccessible(path);
+ return -1;
+ }
+
+ return 0;
+}
+
+FILE *fopen_or_warn(const char *path, const char *mode)
+{
+ FILE *fp = fopen(path, mode);
+
+ if (fp)
+ return fp;
+
+ warn_on_fopen_errors(path);
+ return NULL;
+}
+
int xmkstemp(char *template)
{
int fd;
@@ -576,15 +603,10 @@ int remove_or_warn(unsigned int mode, const char *file)
return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file);
}
-void warn_on_inaccessible(const char *path)
-{
- warning_errno(_("unable to access '%s'"), path);
-}
-
static int access_error_is_ok(int err, unsigned flag)
{
- return err == ENOENT || err == ENOTDIR ||
- ((flag & ACCESS_EACCES_OK) && err == EACCES);
+ return (is_missing_file_error(err) ||
+ ((flag & ACCESS_EACCES_OK) && err == EACCES));
}
int access_or_warn(const char *path, int mode, unsigned flag)
@@ -655,3 +677,16 @@ void sleep_millisec(int millisec)
{
poll(NULL, 0, millisec);
}
+
+int xgethostname(char *buf, size_t len)
+{
+ /*
+ * If the full hostname doesn't fit in buf, POSIX does not
+ * specify whether the buffer will be null-terminated, so to
+ * be safe, do it ourselves.
+ */
+ int ret = gethostname(buf, len);
+ if (!ret)
+ buf[len - 1] = 0;
+ return ret;
+}