Refactor project structure

1 files changed, 63 insertions, 0 deletions

diff --git a/append.c b/append.c
new file mode 100644
index 0000000..61b6ef6
--- /dev/null
+++ b/append.c
@@ -0,0 +1,63 @@
+#include "weekly.h"
+
+int append_stdin(const char *filename) {
+    FILE *fp;
+    size_t bufsz;
+    char *buf;
+
+    bufsz = BUFSIZ;
+    buf = malloc(bufsz);
+    if (!buf) {
+        return -1;
+    }
+
+    fp = fopen(filename, "a");
+    if (!fp) {
+        perror(filename);
+        free(buf);
+        return -1;
+    }
+
+#if HAVE_WINDOWS
+    while (fgets(buf, (int) bufsz, stdin) != NULL) {
+        fprintf(fp, "%s", buf);
+    }
+#else
+    while (getline(&buf, &bufsz, stdin) >= 0) {
+        fprintf(fp, "%s", buf);
+    }
+#endif
+    free(buf);
+    fclose(fp);
+    return 0;
+}
+
+int append_contents(const char *dest, const char *src) {
+    char buf[BUFSIZ] = {0};
+    FILE *fpi, *fpo;
+
+    fpi = fopen(src, "rb+");
+    if (!fpi) {
+        perror(src);
+        return -1;
+    }
+
+    fpo = fopen(dest, "ab+");
+    if (!fpo) {
+        perror(dest);
+        fclose(fpi);
+        return -1;
+    }
+
+    // Append source file to destination file
+    while (fread(buf, sizeof(char), sizeof(buf), fpi) > 0) {
+        fwrite(buf, sizeof(char), strlen(buf), fpo);
+    }
+    buf[0] = '\n';
+    fwrite(buf, sizeof(char), 1, fpo);
+
+    fclose(fpo);
+    fclose(fpi);
+    return 0;
+}
+