[gpsd-dev] [PATCH] increase GPS_PATH_MAX

[Steffen Sledz]

The former value of 128 was too little for pathnames like
/dev/serial/by-id/... often used in modern linux distributions.
The new implementation tries to respect PATH_MAX from limits.h
if defined.

Signed-off-by: Steffen Sledz <address@hidden>
---
 gps.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gps.h b/gps.h
index 44c5fc8..3347a91 100644
--- a/gps.h
+++ b/gps.h
@@ -43,7 +43,11 @@ extern "C" {
 #define MAXTAGLEN      8       /* maximum length of sentence tag name */
 #define MAXCHANNELS    72      /* must be > 12 GPS + 12 GLONASS + 2 WAAS */
 #define GPS_PRNMAX     32      /* above this number are SBAS satellites */
-#define GPS_PATH_MAX   128     /* dev files usually have short names */
+#ifdef PATH_MAX
+#define GPS_PATH_MAX   PATH_MAX
+#else
+#define GPS_PATH_MAX   1024    /* enough for long names like 
/dev/serial/by-id/... */
+#endif
 #define MAXUSERDEVS    4       /* max devices per user */
 
 /*
-- 
1.8.1.4