Fix FTBFS when PATH_MAX is not defined, e.g. on GNU Hurd

Forwarded: no
Last-Update: 2013-10-30

Gbp-Pq: Name 10_no_path_max.patch

1 files changed, 9 insertions, 3 deletions

diff --git a/src/cdargs.cc b/src/cdargs.cc
index d3fb383..d89130d 100644
--- a/src/cdargs.cc
+++ b/src/cdargs.cc
@@ -930,8 +930,12 @@ string get_resultfile(void) {
 }
 
 char* get_cwd_as_charp(void) {
-    char buf[PATH_MAX];
-    char* result = getcwd(buf, sizeof(buf));
+    char *buf;
+    char *result = NULL;
+
+    size_t size = (size_t)pathconf(".", _PC_PATH_MAX);
+    if ((buf = (char *)malloc(size)) != NULL)
+        result = getcwd(buf, size);
 
     if(result == NULL) {
         message("cannot determine current working directory.exit.");
@@ -940,7 +944,9 @@ char* get_cwd_as_charp(void) {
     }
     /* this can be a memleak if not freed again */
     /* but then ... how long does cdargs usually run? */
-    return strdup(buf);
+    result = strdup(buf);
+    free(buf);
+    return result;
 }
 
 string get_cwd_as_string(void) {