Rename header-functions and add more util functions

	parse_mask() -> parse a mask-color #xxxxxx
	ereallocarray()
	estrtonum()

These will come in handy in the respective tools.

1 files changed, 12 insertions, 2 deletions

diff --git a/util.h b/util.h
index 02aee25..93492a5 100644
--- a/util.h
+++ b/util.h
@@ -6,5 +6,15 @@ extern char *argv0;
 
 #define LEN(x) (sizeof (x) / sizeof *(x))
 
-void read_ff_header(uint32_t *width, uint32_t *height);
-void write_ff_header(uint32_t width, uint32_t height);
+void ff_read_header(uint32_t *width, uint32_t *height);
+void ff_write_header(uint32_t width, uint32_t height);
+
+int parse_mask(const char *, uint16_t mask[3]);
+
+#undef reallocarray
+void *reallocarray(void *, size_t, size_t);
+void *ereallocarray(void *optr, size_t nmemb, size_t size);
+
+#undef strtonum
+long long strtonum(const char *, long long, long long, const char **);
+long long estrtonum(const char *, long long, long long);