diff target-utils/libtiffs/rdinmem.c @ 224:2900fe603f8a

beginning of MPFFS->TIFFS naming convention change
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 12 Jan 2014 07:59:00 +0000
parents target-utils/libmpffs/rdinmem.c@ac310ee73788
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/libtiffs/rdinmem.c	Sun Jan 12 07:59:00 2014 +0000
@@ -0,0 +1,42 @@
+#include <sys/types.h>
+#include "types.h"
+#include "struct.h"
+#include "globals.h"
+#include "macros.h"
+
+mpffs_read_into_ram(pathname, buf, maxlen, lenrtn)
+	char *pathname;
+	u8 *buf;
+	size_t maxlen, *lenrtn;
+{
+	int stat, cont;
+	u8 *chunk_start;
+	size_t chunk_size, real_len, roomleft;
+
+	stat = mpffs_find_file(pathname, &chunk_start, &chunk_size, &cont);
+	if (stat < 0)
+		return(stat);
+	if (chunk_size > maxlen) {
+toobig:		printf("Error: %s is bigger than the read buffer\n", pathname);
+		return(-1);
+	}
+	real_len = chunk_size;
+	bcopy(chunk_start, buf, chunk_size);
+	buf += chunk_size;
+	roomleft = maxlen - chunk_size;
+	while (cont) {
+		stat = mpffs_get_segment(cont, &chunk_start, &chunk_size,
+					 &cont);
+		if (stat < 0)
+			return(stat);
+		if (chunk_size > roomleft)
+			goto toobig;
+		real_len += chunk_size;
+		bcopy(chunk_start, buf, chunk_size);
+		buf += chunk_size;
+		roomleft -= chunk_size;
+	}
+	if (lenrtn)
+		*lenrtn = real_len;
+	return(0);
+}