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-rw-r--r--compat/win32/path-utils.c28
-rw-r--r--compat/win32/path-utils.h20
2 files changed, 48 insertions, 0 deletions
diff --git a/compat/win32/path-utils.c b/compat/win32/path-utils.c
new file mode 100644
index 0000000000..d9d3641de8
--- /dev/null
+++ b/compat/win32/path-utils.c
@@ -0,0 +1,28 @@
+#include "../../git-compat-util.h"
+
+int win32_skip_dos_drive_prefix(char **path)
+{
+ int ret = has_dos_drive_prefix(*path);
+ *path += ret;
+ return ret;
+}
+
+int win32_offset_1st_component(const char *path)
+{
+ char *pos = (char *)path;
+
+ /* unc paths */
+ if (!skip_dos_drive_prefix(&pos) &&
+ is_dir_sep(pos[0]) && is_dir_sep(pos[1])) {
+ /* skip server name */
+ pos = strpbrk(pos + 2, "\\/");
+ if (!pos)
+ return 0; /* Error: malformed unc path */
+
+ do {
+ pos++;
+ } while (*pos && !is_dir_sep(*pos));
+ }
+
+ return pos + is_dir_sep(*pos) - path;
+}
diff --git a/compat/win32/path-utils.h b/compat/win32/path-utils.h
new file mode 100644
index 0000000000..0f70d43920
--- /dev/null
+++ b/compat/win32/path-utils.h
@@ -0,0 +1,20 @@
+#define has_dos_drive_prefix(path) \
+ (isalpha(*(path)) && (path)[1] == ':' ? 2 : 0)
+int win32_skip_dos_drive_prefix(char **path);
+#define skip_dos_drive_prefix win32_skip_dos_drive_prefix
+static inline int win32_is_dir_sep(int c)
+{
+ return c == '/' || c == '\\';
+}
+#define is_dir_sep win32_is_dir_sep
+static inline char *win32_find_last_dir_sep(const char *path)
+{
+ char *ret = NULL;
+ for (; *path; ++path)
+ if (is_dir_sep(*path))
+ ret = (char *)path;
+ return ret;
+}
+#define find_last_dir_sep win32_find_last_dir_sep
+int win32_offset_1st_component(const char *path);
+#define offset_1st_component win32_offset_1st_component