From: Jesse Taube <Mr.Bossman075@gmail.com>
Date: Sat, 22 Jan 2022 00:44:36 +0000 (-0500)
Subject: error checking
X-Git-Url: https://repo.jachan.dev/imx_flashconf.git/commitdiff_plain/HEAD?ds=sidebyside

error checking
---

diff --git a/imx-flashconf.c b/imx-flashconf.c
index 5ff02da..1b2cd42 100644
--- a/imx-flashconf.c
+++ b/imx-flashconf.c
@@ -19,8 +19,8 @@ void prepend(FILE *, size_t);
 void list(const flash_configs *);
 int main(int argc, char *argv[]){
 
-	char name[32];
-	char fname[32];
+	char name[32] = {};
+	const char * fname;
 	int opt;
 	size_t index = 0;
 	size_t padding = 0x1000; // default offset for nor
@@ -44,7 +44,7 @@ int main(int argc, char *argv[]){
 				strncpy(name,optarg,32);
 				break;
 			case 'o':
-				strncpy(fname,optarg,32);
+				fname = optarg;
 				break;
 			case 'b':
 				bin = strtol(optarg, NULL, 0);
@@ -69,7 +69,9 @@ int main(int argc, char *argv[]){
 		puts("Need an output file name.");
 	if(!strnlen(name,32))
 		puts("Need a flash config name.");
-	if(!strnlen(name,32) || !strnlen(fname,32))
+	if(strnlen(name,32) == 32)
+		puts("Flash config name too long.");
+	if(!strnlen(name,32) || !strnlen(fname,32) || strnlen(name,32) == 32)
 		help(-3);
 
 	index = get_name_match(configs,name);
diff --git a/mk.sh b/mk.sh
index 64b7790..3a0d800 100755
--- a/mk.sh
+++ b/mk.sh
@@ -1,2 +1,2 @@
 #!/usr/bin/bash
-gcc -Wall imx-flashconf.c flash_confs.c -o imx-flashconf
\ No newline at end of file
+gcc -Wall imx-flashconf.c flash_confs.c -o imx-flashconf