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-rw-r--r--examples/askme.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/examples/askme.c b/examples/askme.c
new file mode 100644
index 0000000..dcb4267
--- /dev/null
+++ b/examples/askme.c
@@ -0,0 +1,20 @@
+#include <stdio.h> /* for printf, fgets */
+#include <stdlib.h> /* for atoi */
+#include <stdint.h> /* for uint32_t */
+#include <safe_iop.h> /* for awesomeness */
+
+int main(int argc, char **argv) {
+ char buf[1024];
+ uint32_t width = 0, height = 0, pixels = 0;
+ printf("Please specify the width of the new image: ");
+ width = strtoul(fgets(buf, 1023, stdin), NULL, 10);
+ printf("Please specify the height of the new image: ");
+ height = strtoul(fgets(buf, 1023, stdin), NULL, 10);
+ if (safe_mul(&pixels, width, height)) {
+ printf("The resulting image will have %u pixels.\n", pixels);
+ return 0;
+ } else {
+ printf("Image size specified exceeds maximum size!\n");
+ return 1;
+ }
+}