1 files changed, 17 insertions, 0 deletions
diff --git a/sfm-0.4/util.h b/sfm-0.4/util.h
new file mode 100644
index 0000000..2ade6d5
--- /dev/null
+++ b/sfm-0.4/util.h
@@ -0,0 +1,17 @@
+/* See LICENSE file for copyright and license details. */
+
+#ifndef UTIL_H
+#define UTIL_H
+
+#define MAX(A, B)               ((A) > (B) ? (A) : (B))
+#define MIN(A, B)               ((A) < (B) ? (A) : (B))
+#define LEN(A)                  (sizeof(A)/sizeof(A[0]))
+#define BETWEEN(X, A, B)        ((A) <= (X) && (X) <= (B))
+#define FAIL_IF(EXP, MSG)       {if(EXP){fprintf(stderr, "[\033[31mFAILED %d\033[0m] %s\n", __LINE__, MSG);exit(EXIT_FAILURE);}}
+#define PERROR(EXP)              {if(EXP){print_error(strerror(errno));}};
+
+void *ecalloc(size_t, size_t);
+void *erealloc(void*, size_t);
+void die(const char *fmt, ...);
+
+#endif /* UTIL_H */