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-rw-r--r--gnuradio-core/src/lib/general/gr_circular_file.cc7
-rw-r--r--gnuradio-core/src/lib/runtime/gr_preferences.cc24
2 files changed, 25 insertions, 6 deletions
diff --git a/gnuradio-core/src/lib/general/gr_circular_file.cc b/gnuradio-core/src/lib/general/gr_circular_file.cc
index 468b49a10..c9222597a 100644
--- a/gnuradio-core/src/lib/general/gr_circular_file.cc
+++ b/gnuradio-core/src/lib/general/gr_circular_file.cc
@@ -1,6 +1,6 @@
/* -*- c++ -*- */
/*
- * Copyright 2002 Free Software Foundation, Inc.
+ * Copyright 2002,2010 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
@@ -66,7 +66,10 @@ gr_circular_file::gr_circular_file (const char *filename,
exit (1);
}
#ifdef HAVE_MMAP /* FIXME */
- ftruncate (d_fd, size + HEADER_SIZE);
+ if(ftruncate (d_fd, size + HEADER_SIZE) != 0) {
+ perror (filename);
+ exit (1);
+ }
#endif
}
else {
diff --git a/gnuradio-core/src/lib/runtime/gr_preferences.cc b/gnuradio-core/src/lib/runtime/gr_preferences.cc
index e0be2db62..5f7412248 100644
--- a/gnuradio-core/src/lib/runtime/gr_preferences.cc
+++ b/gnuradio-core/src/lib/runtime/gr_preferences.cc
@@ -1,6 +1,6 @@
/* -*- c++ -*- */
/*
- * Copyright 2003 Free Software Foundation, Inc.
+ * Copyright 2003,2010 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
@@ -77,11 +77,20 @@ gr_preferences::get (const char *key)
static char buf[1024];
FILE *fp = fopen (pathname (key), "r");
- if (fp == 0)
+ if (fp == 0) {
+ perror (pathname (key));
return 0;
+ }
memset (buf, 0, sizeof (buf));
- fread (buf, 1, sizeof (buf) - 1, fp);
+ size_t ret = fread (buf, 1, sizeof (buf) - 1, fp);
+ if(ret == 0) {
+ if(ferror(fp) != 0) {
+ perror (pathname (key));
+ fclose (fp);
+ return 0;
+ }
+ }
fclose (fp);
return buf;
}
@@ -97,6 +106,13 @@ gr_preferences::set (const char *key, const char *value)
return;
}
- fwrite (value, 1, strlen (value), fp);
+ size_t ret = fwrite (value, 1, strlen (value), fp);
+ if(ret == 0) {
+ if(ferror(fp) != 0) {
+ perror (pathname (key));
+ fclose (fp);
+ return;
+ }
+ }
fclose (fp);
};