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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:34:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:34:38 +0000
commitfa5845db13c5cc87a03062fedf5d9cc237d14604 (patch)
tree800970ee68d1ce0659dfbde71e1149e6a2cacf9f /compat/getdtablecount.c
parentInitial commit. (diff)
downloadtmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.tar.xz
tmux-fa5845db13c5cc87a03062fedf5d9cc237d14604.zip
Adding upstream version 3.3a.upstream/3.3a
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compat/getdtablecount.c')
-rw-r--r--compat/getdtablecount.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/compat/getdtablecount.c b/compat/getdtablecount.c
new file mode 100644
index 0000000..1f9a0aa
--- /dev/null
+++ b/compat/getdtablecount.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <glob.h>
+#include <unistd.h>
+
+#include "compat.h"
+
+void fatal(const char *, ...);
+void fatalx(const char *, ...);
+
+#ifdef HAVE_PROC_PID
+int
+getdtablecount(void)
+{
+ char path[PATH_MAX];
+ glob_t g;
+ int n = 0;
+
+ if (snprintf(path, sizeof path, "/proc/%ld/fd/*", (long)getpid()) < 0)
+ fatal("snprintf overflow");
+ if (glob(path, 0, NULL, &g) == 0)
+ n = g.gl_pathc;
+ globfree(&g);
+ return (n);
+}
+#else
+int
+getdtablecount(void)
+{
+ return (0);
+}
+#endif