1 files changed, 78 insertions, 69 deletions
diff --git a/core/org.eclipse.cdt.core.linux/library/pfind.c b/core/org.eclipse.cdt.core.linux/library/pfind.c
index 65de2a5cb16..d13dae5f0e2 100644
--- a/core/org.eclipse.cdt.core.linux/library/pfind.c
+++ b/core/org.eclipse.cdt.core.linux/library/pfind.c
@@ -1,69 +1,78 @@
-/*
- * pfind.c - Search for a binary in $PATH.
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-#ifndef PATH_MAX
-#define PATH_MAX 1024
-#endif
-
-
-char *pfind(const char *name)
-{
-	char *tok;
-	char *sp;
-	char *path = getenv("PATH" );
-	char FullPath[PATH_MAX+1];
-
-	if (name == NULL) {
-		fprintf(stderr, "pfind(): Null argument.\n");
-		return NULL;
-	}
-
-	if (path == NULL || strlen( path ) <= 0) {
-		fprintf(stderr, "Unable to get $PATH.\n");
-		return NULL;
-	}
-
-	// The value return by getenv() is readonly */
-	path = strdup(path);
-
-	tok = strtok_r(path, ":", &sp);
-	while (tok != NULL) {
-		//strcpy(FullPath, tok);
-		//strcat(FullPath, "/");
-		//strcat(FullPath, name);
-		snprintf(FullPath, sizeof(FullPath) - 1, "%s/%s", tok, name);
-
-		if (access(FullPath, X_OK | R_OK) == 0) {
-			free(path);
-			return strdup(FullPath);
-		}
-
-		tok = strtok_r( NULL, ":", &sp );
-	}
-
-	free(path);
-	return NULL;
-}
-
-#ifdef BUILD_WITH_MAIN
-int main(int argc, char **argv)
-{
-   int i;
-   char *fullpath;
-
-   for (i=1; i<argc; i++) {
-      fullpath = pfind(argv[i]);
-      if (fullpath == NULL)
-        printf("Unable to find %s in $PATH.\n", argv[i]);
-      else 
-        printf("Found %s @ %s.\n", argv[i], fullpath);
-   }
-}
-#endif
+/*
+ * pfind.c - Search for a binary in $PATH.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+
+#ifndef PATH_MAX
+#define PATH_MAX 1024
+#endif
+
+
+char * pfind(const char *name)
+{
+	char *tok;
+	char *sp;
+	char *path;
+	char fullpath[PATH_MAX+1];
+
+	/* Sanity check.  */
+	if (name == NULL) {
+		fprintf(stderr, "pfind(): Null argument.\n");
+		return NULL;
+	}
+
+	/* For absolute name or name with a path, check if it is an executable.  */
+	if (name[0] == '/' || name[0] == '.') {
+		if (access(name, X_OK | R_OK) == 0) {
+			return strdup(name);
+		}
+		return NULL;
+	}
+
+	/* Search in the PATH environment.  */
+	path = getenv("PATH" );
+
+	if (path == NULL || strlen(path) <= 0) {
+		fprintf(stderr, "Unable to get $PATH.\n");
+		return NULL;
+	}
+
+	/* The value return by getenv() is readonly */
+	path = strdup(path);
+
+	tok = strtok_r(path, ":", &sp);
+	while (tok != NULL) {
+		snprintf(fullpath, sizeof(fullpath) - 1, "%s/%s", tok, name);
+
+		if (access(fullpath, X_OK | R_OK) == 0) {
+			free(path);
+			return strdup(fullpath);
+		}
+
+		tok = strtok_r( NULL, ":", &sp );
+	}
+
+	free(path);
+	return NULL;
+}
+
+#ifdef BUILD_WITH_MAIN
+int main(int argc, char **argv)
+{
+   int i;
+   char *fullpath;
+
+   for (i=1; i<argc; i++) {
+      fullpath = pfind(argv[i]);
+      if (fullpath == NULL)
+        printf("Unable to find %s in $PATH.\n", argv[i]);
+      else 
+        printf("Found %s @ %s.\n", argv[i], fullpath);
+   }
+}
+#endif