[PATCH v4 2/4] libusbg: Added fputs()/fgets() error handling

[Stanislaw Wadas <s.wadas@xxxxxxxxxxx>]

Error handling was added to fputs()/fgets() functions.

Signed-off-by: Stanislaw Wadas <s.wadas@xxxxxxxxxxx>
---
Changes since v3:
        - fixed code indentation

Changes since v2:
        - fixed code indentation
        - removed unused variable ret

Changes since v1:
        - fixed typos in MAX_LENGTH throughout

 src/gadget.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/gadget.c b/src/gadget.c
index fb86e7e..d226d32 100644
--- a/src/gadget.c
+++ b/src/gadget.c
@@ -93,6 +93,11 @@ static char *gadget_read_buf(char *path, char *name, char *file, char *buf)
 		goto out;
 
 	ret = fgets(buf, MAX_LENGTH, fp);
+	if (ret == NULL) {
+		ERROR("read error");
+		fclose(fp);
+		return ret;
+	}
 
 	fclose(fp);
 
@@ -136,7 +141,11 @@ static void gadget_write_buf(char *path, char *name, char *file, char *buf)
 		return;
 	}
 
-	fputs(buf, fp);
+	if (fputs(buf, fp) == EOF) {
+		ERROR("write error");
+		fclose(fp);
+		return;
+	}
 
 	fclose(fp);
 }
-- 
1.7.9.5

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