ap

commit 5430cf2a0f9d07b6f5084c60bb06821e9545d337
parent f4e0c794cf7f11b9e43606f557e10c0c85ef291b
Author: Jacob R. Edwards <jacob@jacobedwards.org>
Date:   Sat, 20 Jan 2024 09:11:55 -0800

Root socket path in con struct

This way the caller can chdir(2) without issue.

Diffstat:
M
lib/ap/con.c
 | 
27
++++++++++++++++++++++++++-

1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/lib/ap/con.c b/lib/ap/con.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Jacob R. Edwards
+ * Copyright 2021, 2024 Jacob R. Edwards
  *
  * ap -- audio player
  *
@@ -19,6 +19,8 @@
 
 #include <sys/socket.h>
 
+#include <limits.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
@@ -26,6 +28,27 @@
 #include <ap/ap.h>
 
 char *
+root(char *path)
+{
+	char root[PATH_MAX];
+	char *newpath;
+	int len;
+
+	if (!getwd(root))
+		return NULL;
+
+	len = strlen(root) + 1 + strlen(path) + 1;
+	if (!(newpath = malloc(len)))
+		return NULL;
+
+	if (snprintf(newpath, len, "%s/%s", root, path) >= len) {
+		free(newpath);
+		return NULL;
+	}
+	return newpath;
+}
+
+char *
 apfile(char *path)
 {
         if (path == NULL) {
@@ -33,6 +56,8 @@ apfile(char *path)
                 if (path == NULL)
                         path = "/tmp/aps";
         }
+	if (*path != '/')
+		return root(path);
         return strdup(path);
 }