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-rw-r--r--contrib/file/src/compress.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/contrib/file/src/compress.c b/contrib/file/src/compress.c
index e968bb4..539031e 100644
--- a/contrib/file/src/compress.c
+++ b/contrib/file/src/compress.c
@@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: compress.c,v 1.77 2014/12/12 16:33:01 christos Exp $")
+FILE_RCSID("@(#)$File: compress.c,v 1.80 2015/06/03 18:21:24 christos Exp $")
#endif
#include "magic.h"
@@ -45,7 +45,12 @@ FILE_RCSID("@(#)$File: compress.c,v 1.77 2014/12/12 16:33:01 christos Exp $")
#endif
#include <string.h>
#include <errno.h>
+#ifdef HAVE_SIGNAL_H
#include <signal.h>
+# ifndef HAVE_SIG_T
+typedef void (*sig_t)(int);
+# endif /* HAVE_SIG_T */
+#endif
#if !defined(__MINGW32__) && !defined(WIN32)
#include <sys/ioctl.h>
#endif
@@ -104,12 +109,16 @@ file_zmagic(struct magic_set *ms, int fd, const char *name,
size_t i, nsz;
int rv = 0;
int mime = ms->flags & MAGIC_MIME;
+#ifdef HAVE_SIGNAL_H
sig_t osigpipe;
+#endif
if ((ms->flags & MAGIC_COMPRESS) == 0)
return 0;
+#ifdef HAVE_SIGNAL_H
osigpipe = signal(SIGPIPE, SIG_IGN);
+#endif
for (i = 0; i < ncompr; i++) {
if (nbytes < compr[i].maglen)
continue;
@@ -121,7 +130,8 @@ file_zmagic(struct magic_set *ms, int fd, const char *name,
if (file_buffer(ms, -1, name, newbuf, nsz) == -1)
goto error;
- if (mime == MAGIC_MIME || mime == 0) {
+ if ((ms->flags & MAGIC_COMPRESS_TRANSP) == 0 &&
+ (mime == MAGIC_MIME || mime == 0)) {
if (file_printf(ms, mime ?
" compressed-encoding=" : " (") == -1)
goto error;
@@ -136,7 +146,9 @@ file_zmagic(struct magic_set *ms, int fd, const char *name,
}
}
error:
+#ifdef HAVE_SIGNAL_H
(void)signal(SIGPIPE, osigpipe);
+#endif
free(newbuf);
ms->flags |= MAGIC_COMPRESS;
return rv;
@@ -383,7 +395,6 @@ uncompressbuf(struct magic_set *ms, int fd, size_t method,
int fdin[2], fdout[2];
int status;
ssize_t r;
- pid_t pid;
#ifdef BUILTIN_DECOMPRESS
/* FIXME: This doesn't cope with bzip2 */
@@ -397,7 +408,7 @@ uncompressbuf(struct magic_set *ms, int fd, size_t method,
file_error(ms, errno, "cannot create pipe");
return NODATA;
}
- switch (pid = fork()) {
+ switch (fork()) {
case 0: /* child */
(void) close(0);
if (fd != -1) {
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