vlc | branch: master | Rémi Denis-Courmont <r...@remlab.net> | Tue Mar  6 
21:24:27 2018 +0200| [3706edb4f0fd07dbbea6bc68d7b90c0a7b86b63a] | committer: 
Rémi Denis-Courmont

posix: handle non-NULL filename with environment-based directories

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=3706edb4f0fd07dbbea6bc68d7b90c0a7b86b63a
---

 src/posix/dirs.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/posix/dirs.c b/src/posix/dirs.c
index 280a37b2a7..2fccd229d5 100644
--- a/src/posix/dirs.c
+++ b/src/posix/dirs.c
@@ -57,8 +57,14 @@ char *config_GetSysPath(vlc_sysdir_t type, const char 
*filename)
         const char *name = env_vars[type];
          if (*name != '\0') {
              const char *value = getenv(name);
-             if (value != NULL)
-                 return strdup(value);
+             if (value != NULL) {
+                 const char *fmt = (filename != NULL) ? "%s/%s" : "%s";
+                 char *filepath;
+
+                 if (unlikely(asprintf(&filepath, fmt, value, filename) == -1))
+                     filepath = NULL;
+                 return filepath;
+             }
          }
     }
 

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