From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Wed, 7 Aug 2002 17:29:28 +0000 (+0000)
Subject: Clean up the argv splitter, and in particular stop it from bombing
X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/commitdiff_plain/5a71c4ea7cbe7888e3dc79cea7b06cf56b0fecb5?hp=d3a1a808f65812c591ef0de3e61a94b13aa73160

Clean up the argv splitter, and in particular stop it from bombing
out ignominiously when given no arguments :-)


git-svn-id: svn://svn.tartarus.org/sgt/putty@1815 cda61777-01e9-0310-a592-d414129be87e
---

diff --git a/winutils.c b/winutils.c
index 9d707ff1..00d35dfb 100644
--- a/winutils.c
+++ b/winutils.c
@@ -11,6 +11,8 @@
 #ifdef TESTMODE
 /* Definitions to allow this module to be compiled standalone for testing. */
 #define smalloc malloc
+#define srealloc realloc
+#define sfree free
 #endif
 
 /*
@@ -131,6 +133,18 @@ void split_into_argv(char *cmdline, int *argc, char ***argv,
      */
 
     /*
+     * First deal with the simplest of all special cases: if there
+     * aren't any arguments, return 0,NULL,NULL.
+     */
+    while (*cmdline && isspace(*cmdline)) cmdline++;
+    if (!*cmdline) {
+	if (argc) *argc = 0;
+	if (argv) *argv = NULL;
+	if (argstart) *argstart = NULL;
+	return;
+    }
+
+    /*
      * This will guaranteeably be big enough; we can realloc it
      * down later.
      */
@@ -446,4 +460,4 @@ int main(int argc, char **argv)
     return 0;
 }
 
-#endif
\ No newline at end of file
+#endif