From: Bastian Dehn <hhaalo@arcor.de>
Date: Mon, 5 Feb 2024 15:39:24 +0000 (+0100)
Subject: add convert with argv one
X-Git-Tag: v1.0.0^2~344^2~2
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=e8f5e77dfc43f627a347fb5fa7247ae626b0002c;p=sane-kds-s2000w-net.git

add convert with argv one
---

diff --git a/tools/convert.c b/tools/convert.c
index d797e88..1886348 100644
--- a/tools/convert.c
+++ b/tools/convert.c
@@ -10,14 +10,20 @@ int main(int argc, char* argv[])
 	blob.size = 0;
 	FILE* fptr = NULL;
 	size_t size = 0;
-	blob.data = malloc(sizeof(char));
+	blob.data = NULL;
 
-	fptr = fopen("test.jpg", "r");
+	fptr = fopen(argv[1], "r");
+	if (fptr == NULL) {
+		printf("file %s not found\n", argv[1]);
+		exit(1);
+	}
+
+	blob.data = malloc(sizeof(char));
 	while(fread(blob.data, sizeof(char), 1, fptr)) {
 		blob.size++;
 	}
 	fseek(fptr, 0L, SEEK_SET);
-	printf("file size in bufs: %i\n", blob.size);
+	printf("file size of %s: %i byts\n", argv[1], blob.size);
 	free(blob.data);
 	blob.data = NULL;
 
@@ -32,6 +38,7 @@ int main(int argc, char* argv[])
 
 	fptr = fopen("output.pnm", "w");
 	fwrite(output.data, output.size, 1, fptr);
+	printf("file size of output.pnm: %i bytes\n", output.size);
 	fclose(fptr);
 	fptr = NULL;