MFV r284234:

Update file to 5.23.

MFC after:	2 weeks

1 files changed, 26 insertions, 10 deletions

diff --git a/contrib/file/src/funcs.c b/contrib/file/src/funcs.c
index a60ccaa..dc7bbd1 100644
--- a/contrib/file/src/funcs.c
+++ b/contrib/file/src/funcs.c
@@ -27,7 +27,7 @@
 #include "file.h"
 
 #ifndef	lint
-FILE_RCSID("@(#)$File: funcs.c,v 1.79 2014/12/16 20:52:49 christos Exp $")
+FILE_RCSID("@(#)$File: funcs.c,v 1.82 2015/06/03 18:01:20 christos Exp $")
 #endif	/* lint */
 
 #include "magic.h"
@@ -159,8 +159,20 @@ file_badread(struct magic_set *ms)
 }
 
 #ifndef COMPILE_ONLY
+
+static int
+checkdone(struct magic_set *ms, int *rv)
+{
+	if ((ms->flags & MAGIC_CONTINUE) == 0)
+		return 1;
+	if (file_printf(ms, "\n- ") == -1)
+		*rv = -1;
+	return 0;
+}
+
+/*ARGSUSED*/
 protected int
-file_buffer(struct magic_set *ms, int fd, const char *inname __attribute__ ((unused)),
+file_buffer(struct magic_set *ms, int fd, const char *inname __attribute__ ((__unused__)),
     const void *buf, size_t nb)
 {
 	int m = 0, rv = 0, looks_text = 0;
@@ -214,7 +226,8 @@ file_buffer(struct magic_set *ms, int fd, const char *inname __attribute__ ((unu
 		if ((m = file_is_tar(ms, ubuf, nb)) != 0) {
 			if ((ms->flags & MAGIC_DEBUG) != 0)
 				(void)fprintf(stderr, "tar %d\n", m);
-			goto done;
+			if (checkdone(ms, &rv))
+				goto done;
 		}
 
 	/* Check if we have a CDF file */
@@ -222,7 +235,8 @@ file_buffer(struct magic_set *ms, int fd, const char *inname __attribute__ ((unu
 		if ((m = file_trycdf(ms, fd, ubuf, nb)) != 0) {
 			if ((ms->flags & MAGIC_DEBUG) != 0)
 				(void)fprintf(stderr, "cdf %d\n", m);
-			goto done;
+			if (checkdone(ms, &rv))
+				goto done;
 		}
 
 	/* try soft magic tests */
@@ -249,7 +263,8 @@ file_buffer(struct magic_set *ms, int fd, const char *inname __attribute__ ((unu
 						    "elf %d\n", m);
 			}
 #endif
-			goto done;
+			if (checkdone(ms, &rv))
+				goto done;
 		}
 
 	/* try text properties */
@@ -258,7 +273,8 @@ file_buffer(struct magic_set *ms, int fd, const char *inname __attribute__ ((unu
 		if ((m = file_ascmagic(ms, ubuf, nb, looks_text)) != 0) {
 			if ((ms->flags & MAGIC_DEBUG) != 0)
 				(void)fprintf(stderr, "ascmagic %d\n", m);
-			goto done;
+			if (checkdone(ms, &rv))
+				goto done;
 		}
 	}
 
@@ -400,7 +416,7 @@ file_check_mem(struct magic_set *ms, unsigned int level)
 	size_t len;
 
 	if (level >= ms->c.len) {
-		len = (ms->c.len += 20) * sizeof(*ms->c.li);
+		len = (ms->c.len = 20 + level) * sizeof(*ms->c.li);
 		ms->c.li = CAST(struct level_info *, (ms->c.li == NULL) ?
 		    malloc(len) :
 		    realloc(ms->c.li, len));
@@ -549,9 +565,9 @@ file_printable(char *buf, size_t bufsiz, const char *str)
 		if (ptr >= eptr - 3)
 			break;
 		*ptr++ = '\\';
-		*ptr++ = ((*s >> 6) & 7) + '0';
-		*ptr++ = ((*s >> 3) & 7) + '0';
-		*ptr++ = ((*s >> 0) & 7) + '0';
+		*ptr++ = ((CAST(unsigned int, *s) >> 6) & 7) + '0';
+		*ptr++ = ((CAST(unsigned int, *s) >> 3) & 7) + '0';
+		*ptr++ = ((CAST(unsigned int, *s) >> 0) & 7) + '0';
 	}
 	*ptr = '\0';
 	return buf;