From d965565d52b2cd8d390848d4cf3f8bb47558f666 Mon Sep 17 00:00:00 2001
From: Erik Troan <ewt@src.gnome.org>
Date: Mon, 27 Jul 1998 18:53:42 +0000
Subject: *** empty log message ***

svn path=/trunk/; revision=295
---
 support/findme.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 support/findme.h |  6 ++++++
 2 files changed, 53 insertions(+)
 create mode 100644 support/findme.c
 create mode 100644 support/findme.h

diff --git a/support/findme.c b/support/findme.c
new file mode 100644
index 00000000..f2e764ef
--- /dev/null
+++ b/support/findme.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#if HAVE_ALLOCA_H
+# include <alloca.h>
+#endif
+
+#include "findme.h"
+
+char * findProgramPath(char * argv0) {
+    char * path = getenv("PATH");
+    char * pathbuf;
+    char * start, * chptr;
+    char * buf;
+
+    /* If there is a / in the argv[0], it has to be an absolute
+       path */
+    if (strchr(argv0, '/'))
+	return strdup(argv0);
+
+    if (!path) return NULL;
+
+    start = pathbuf = alloca(strlen(path) + 1);
+    buf = malloc(strlen(path) + strlen(argv0) + 2);
+    strcpy(pathbuf, path);
+
+    chptr = NULL;
+    do {
+	if ((chptr = strchr(start, ':')))
+	    *chptr = '\0';
+	sprintf(buf, "%s/%s", start, argv0);
+
+	if (access(buf, X_OK))
+	    return buf;
+
+	if (chptr) 
+	    start = chptr + 1;
+	else
+	    start = NULL;
+    } while (start && *start);
+
+    free(buf);
+
+    return NULL;
+}
diff --git a/support/findme.h b/support/findme.h
new file mode 100644
index 00000000..b4f790a9
--- /dev/null
+++ b/support/findme.h
@@ -0,0 +1,6 @@
+#ifndef H_FINDME
+#define H_FINDME
+
+char * findProgramPath(char * argv0);
+
+#endif
-- 
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