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-rw-r--r--usr.bin/sdiff/common.c52
-rw-r--r--usr.bin/sdiff/common.h3
-rw-r--r--usr.bin/sdiff/edit.c21
-rw-r--r--usr.bin/sdiff/extern.h5
-rw-r--r--usr.bin/sdiff/sdiff.c12
5 files changed, 32 insertions, 61 deletions
diff --git a/usr.bin/sdiff/common.c b/usr.bin/sdiff/common.c
index 9bf600a2310..0b568b97227 100644
--- a/usr.bin/sdiff/common.c
+++ b/usr.bin/sdiff/common.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: common.c,v 1.3 2006/05/10 14:32:51 ray Exp $ */
+/* $OpenBSD: common.c,v 1.4 2006/05/25 03:20:32 ray Exp $ */
/*
* Written by Raymond Lai <ray@cyth.net>.
@@ -6,8 +6,6 @@
*/
#include <err.h>
-#include <paths.h>
-#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@@ -20,51 +18,3 @@ cleanup(const char *filename)
err(2, "could not delete: %s", filename);
exit(2);
}
-
-/*
- * Creates and returns the name of a temporary file. Takes a string
- * (or NULL) is written to the temporary file. The returned string
- * needs to be freed.
- */
-char *
-xmktemp(const char *s)
-{
- FILE *file;
- int fd;
- const char *tmpdir;
- char *filename;
-
- /* If TMPDIR is set, use it; otherwise use _PATH_TMP. */
- if (!(tmpdir = getenv("TMPDIR")))
- tmpdir = _PATH_TMP;
- if (asprintf(&filename, "%s/sdiff.XXXXXXXXXX", tmpdir) == -1)
- err(2, "xmktemp");
-
- /* Create temp file. */
- if ((fd = mkstemp(filename)) == -1)
- err(2, "could not create temporary file");
-
- /* If we don't write anything to the file, just close. */
- if (s == NULL) {
- close(fd);
-
- return (filename);
- }
-
- /* Open temp file for writing. */
- if ((file = fdopen(fd, "w")) == NULL) {
- warn("could not open %s", filename);
- cleanup(filename);
- }
-
- /* Write to file. */
- if (fputs(s, file)) {
- warn("could not write to %s", filename);
- cleanup(filename);
- }
-
- /* Close temp file. */
- fclose(file);
-
- return (filename);
-}
diff --git a/usr.bin/sdiff/common.h b/usr.bin/sdiff/common.h
index c75aef2700b..330ecf83e73 100644
--- a/usr.bin/sdiff/common.h
+++ b/usr.bin/sdiff/common.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: common.h,v 1.1 2006/02/20 08:38:18 otto Exp $ */
+/* $OpenBSD: common.h,v 1.2 2006/05/25 03:20:32 ray Exp $ */
/*
* Written by Raymond Lai <ray@cyth.net>.
@@ -6,4 +6,3 @@
*/
__dead void cleanup(const char *);
-char *xmktemp(const char *);
diff --git a/usr.bin/sdiff/edit.c b/usr.bin/sdiff/edit.c
index 58099207fbd..3a9c03c69ac 100644
--- a/usr.bin/sdiff/edit.c
+++ b/usr.bin/sdiff/edit.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: edit.c,v 1.13 2006/05/10 14:32:51 ray Exp $ */
+/* $OpenBSD: edit.c,v 1.14 2006/05/25 03:20:32 ray Exp $ */
/*
* Written by Raymond Lai <ray@cyth.net>.
@@ -12,6 +12,7 @@
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
#include "common.h"
@@ -69,6 +70,7 @@ eparse(const char *cmd, const char *left, const char *right)
{
FILE *file;
size_t nread, nwritten;
+ int fd;
char *filename;
char buf[BUFSIZ], *text;
@@ -121,7 +123,21 @@ RIGHT:
}
/* Create temp file. */
- filename = xmktemp(text);
+ if (asprintf(&filename, "%s/sdiff.XXXXXXXXXX", tmpdir) == -1)
+ err(2, "asprintf");
+ if ((fd = mkstemp(filename)) == -1)
+ err(2, "mkstemp");
+ if (text != NULL) {
+ size_t len;
+
+ len = strlen(text);
+ if ((nwritten = write(fd, text, len)) == -1 ||
+ nwritten != len) {
+ warn("error writing to temp file");
+ cleanup(filename);
+ }
+ }
+ close(fd);
/* text is no longer used. */
free(text);
@@ -165,7 +181,6 @@ RIGHT:
warn("could not delete: %s", filename);
fclose(file);
- /* filename was malloc()ed in xmktemp(). */
free(filename);
return (0);
diff --git a/usr.bin/sdiff/extern.h b/usr.bin/sdiff/extern.h
index 81a5d2b9bf0..01ad27144c9 100644
--- a/usr.bin/sdiff/extern.h
+++ b/usr.bin/sdiff/extern.h
@@ -1,10 +1,11 @@
-/* $OpenBSD: extern.h,v 1.3 2005/12/27 04:18:07 tedu Exp $ */
+/* $OpenBSD: extern.h,v 1.4 2006/05/25 03:20:32 ray Exp $ */
/*
* Written by Raymond Lai <ray@cyth.net>.
* Public domain.
*/
-extern FILE *outfile; /* file to save changes to */
+extern FILE *outfile; /* file to save changes to */
+extern const char *tmpdir;
int eparse(const char *, const char *, const char *);
diff --git a/usr.bin/sdiff/sdiff.c b/usr.bin/sdiff/sdiff.c
index b0ed9b99954..a46394be6b4 100644
--- a/usr.bin/sdiff/sdiff.c
+++ b/usr.bin/sdiff/sdiff.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sdiff.c,v 1.18 2006/05/10 14:32:51 ray Exp $ */
+/* $OpenBSD: sdiff.c,v 1.19 2006/05/25 03:20:32 ray Exp $ */
/*
* Written by Raymond Lai <ray@cyth.net>.
@@ -17,6 +17,7 @@
#include <fcntl.h>
#include <getopt.h>
#include <limits.h>
+#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -65,6 +66,7 @@ int Iflag = 0; /* ignore sets matching regexp */
int lflag; /* print only left column for identical lines */
int sflag; /* skip identical lines */
FILE *outfile; /* file to save changes to */
+const char *tmpdir; /* TMPDIR or /tmp */
static struct option longopts[] = {
{ "text", no_argument, NULL, 'a' },
@@ -117,8 +119,9 @@ mktmpcpy(const char *source_file)
}
/* Not a regular file, so copy input into temporary file. */
- target_file = xmktemp(NULL);
- if ((ofd = open(target_file, O_WRONLY, 0)) == -1) {
+ if (asprintf(&target_file, "%s/sdiff.XXXXXXXXXX", tmpdir) == -1)
+ err(2, "asprintf");
+ if ((ofd = mkstemp(target_file)) == -1) {
warn("error opening %s", target_file);
goto FAIL;
}
@@ -244,6 +247,9 @@ main(int argc, char **argv)
if (argc != 2)
usage();
+ if ((tmpdir = getenv("TMPDIR")) == NULL)
+ tmpdir = _PATH_TMP;
+
filename1 = argv[0];
filename2 = argv[1];