This function returns the length of the root part of a path, or zero if
there is no root.
"The root part" is the leading slash on Linux/Unix, or 'C:/' on Windows.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
... and can be extended to recognize "//machine/share/" as a root part?
git-compat-util.h | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/git-compat-util.h b/git-compat-util.h
index a3c4537..4d0398d 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -210,6 +210,17 @@ static inline const char *skip_prefix(const char *str, const char *prefix)
return strncmp(str, prefix, len) ? NULL : str + len;
}
+/* path must be canonical */
+static inline int is_root_path(const char *path)
+{
+ int len = 0;
+ if (has_dos_drive_prefix(path))
+ len += 2;
+ if (is_dir_sep(path[len]))
+ len++;
+ return len;
+}
+
#if defined(NO_MMAP) || defined(USE_WIN32_MMAP)
#ifndef PROT_READ
--
1.7.0.rc2.182.g3adef
--
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