libansilove

commit 5ec4e7536f6e57ccde20977ae695b983f3964b75
parent dd4bb1e9789199c6605b2ac69d7970ba763b3b68
Author: Frederic Cambus <fred@statdns.com>
Date:   Thu, 18 Oct 2018 16:47:17 +0200

Add error handling for ansilove_init(), ansilove_loadfile() and ansilove_savefile()

Diffstat:
M
src/init.c
 | 
7
+++++++
M
src/loadfile.c
 | 
7
+++++++
M
src/savefile.c
 | 
6
++++++

3 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/src/init.c b/src/init.c
@@ -13,6 +13,13 @@
 
 int
 ansilove_init(struct ansilove_ctx *ctx, struct ansilove_options *options) {
+	if (ctx == NULL || options == NULL) {
+		if (ctx)
+			ctx->error = ANSILOVE_INVALID_PARAM;
+
+		return -1;
+	}
+
 	memset(ctx, 0, sizeof(*ctx));
 	memset(options, 0, sizeof(*options));
 
diff --git a/src/loadfile.c b/src/loadfile.c
@@ -20,6 +20,13 @@ ansilove_loadfile(struct ansilove_ctx *ctx, char *input) {
 	int fd;
 	struct stat st;
 
+	if (ctx == NULL || input == NULL) {
+		if (ctx)
+			ctx->error = ANSILOVE_INVALID_PARAM;
+
+		return -1;
+	}
+
 	// load input file
 	if ((fd = open(input, O_RDONLY)) == -1) {
 		// perror("File error");
diff --git a/src/savefile.c b/src/savefile.c
@@ -17,6 +17,12 @@
 
 int
 ansilove_savefile(struct ansilove_ctx *ctx, char *output) {
+	if (ctx == NULL || output == NULL) {
+		if (ctx)
+			ctx->error = ANSILOVE_INVALID_PARAM;
+
+		return -1;
+	}
 
 	FILE *file = fopen(output, "wb");