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-rw-r--r--abspath.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/abspath.c b/abspath.c
new file mode 100644
index 0000000..7cc936b
--- /dev/null
+++ b/abspath.c
@@ -0,0 +1,52 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+char *
+libsimple_abspath(const char *path, const char *relto)
+{
+ size_t size;
+ int add_slash;
+ char *p, *ret, *relto_free = NULL;
+
+ if (*path == '/') {
+ ret = strdup(path);
+ return ret;
+ }
+
+ while (path[0] == '.' && path[1] == '/')
+ path = &path[2];
+
+ if (!relto) {
+ relto_free = libsimple_getcwd();
+ if (!relto_free)
+ return NULL;
+ relto = relto_free;
+ }
+
+ add_slash = (strchr(relto, '\0')[-1] != '/');
+ size = strlen(relto) + strlen(path) + (size_t)(1 + add_slash);
+
+ ret = malloc(size);
+ if (ret) {
+ p = stpcpy(ret, relto);
+ if (add_slash)
+ *p++ = '/';
+ stpcpy(p, path);
+ }
+ free(relto_free);
+ return ret;
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void) /* TODO test */
+{
+ return 0;
+}
+
+#endif