Fix get_board_name

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

1 files changed, 25 insertions, 2 deletions

diff --git a/compatible_devices.c b/compatible_devices.c
index 7dcace6..dd82b29 100644
--- a/compatible_devices.c
+++ b/compatible_devices.c
@@ -15,6 +15,8 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#define _GNU_SOURCE
+
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
@@ -42,18 +44,30 @@ static char *get_board_name(int debug, char *buf)
 			printf("%s: 'H' not found, exiting.\n", __func__);
 			/* Not found */
 			return NULL;
+		} else {
+			if (debug)
+				printf("%s: found 'H' at <%s>\n",
+				       __func__, start);
 		}
 
 		buf = start;
 
 		/* Look for "Hardware	: " in "Hardware	: SMDK4x12" */
-		if (strcmp(start, "Hardware\t: ")) {
+		if (strncmp(start, "Hardware\t: ", strlen("Hardware\t: "))) {
+			if (debug)
+				printf("%s: \"Hardware\" not found at <%s>\n",
+				       __func__, start);
 			/* Start after the 'H' next time */
 			buf += 1;
 			continue;
+		} else {
+			if (debug)
+				printf("%s: Found \"Hardware\" at <%s>\n",
+				       __func__, start);
 		}
 
 		buf += strlen("Hardware\t: ");
+		start += strlen("Hardware\t: ");
 
 		end = strchr(buf, '\n');
 		if (end == NULL) {
@@ -63,6 +77,10 @@ static char *get_board_name(int debug, char *buf)
 			       __func__);
 			/* Not found */
 			return NULL;
+		} else {
+			if (debug)
+				printf("%s: Found end of line at <%s>\n",
+				       __func__, end);
 		}
 
 		/* Found */
@@ -83,9 +101,14 @@ static char *get_board_name(int debug, char *buf)
 
 		result[end - start] = '\0';
 
+		if (debug)
+			printf("%s: found Hardware: %s\n", __func__, result);
+
+		return result;
+
 	} while (true);
 
-	return result;
+	return NULL;
 }
 static int board_is_compatible(int debug)
 {