From 3d6654a054a75daab61b0d3909505404ef00d2a8 Mon Sep 17 00:00:00 2001
From: jbj <jbj>
Date: Mon, 27 Jun 2016 03:00:40 +0000
Subject: - fix: free con->os->nextArg when used (memory leaks). - enable
 SUPPORT_GLOBAL_CALCULATOR. - revert to SUPPORT_CONTIGUOUS_ARGV: alias/exec
 have memroy leaks. - add poptGlob_pattern_p() always (portability).

---
 CHANGES      |  4 ++++
 popt.c       | 25 ++++++++++++-------------
 poptconfig.c |  6 ++----
 poptint.h    |  3 +++
 4 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/CHANGES b/CHANGES
index 7a81d82..bd01240 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,8 @@
 1.17 -> 2.0:
+    - jbj: fix: free con->os->nextArg when used (memory leaks).
+    - jbj: enable SUPPORT_GLOBAL_CALCULATOR.
+    - jbj: revert to SUPPORT_CONTIGUOUS_ARGV: alias/exec have memroy leaks.
+    - jbj: add poptGlob_pattern_p() always (portability).
     - jbj: use poptArgvFree to avoid memory leaks.
     - jbj: i18n: update PO files (Translation Project).
     - jbj: i18n: update PO files (Translation Project).
diff --git a/popt.c b/popt.c
index c536a17..352d685 100644
--- a/popt.c
+++ b/popt.c
@@ -254,7 +254,7 @@ void poptResetContext(poptContext con)
     con->os->argb = PBM_FREE(con->os->argb);
     con->os->currAlias = NULL;
     con->os->nextCharArg = NULL;
-    con->os->nextArg = NULL;
+    con->os->nextArg = _free(con->os->nextArg);
     con->os->next = 1;			/* skip argv[0] */
 
     con->numLeftovers = 0;
@@ -733,13 +733,11 @@ expandNextArg(/*@special@*/ poptContext con, const char * s)
 	/*@modifies con @*/
 {
     const char * a = NULL;
-    char *t, *te;
     size_t tn = strlen(s) + 1;
+    char *t = (char*) xmalloc(tn);
+    char *te = t;
     char c;
 
-    te = t = (char*) xmalloc(tn);
-assert(t);	/* XXX can't happen */
-    if (t == NULL) return NULL;
     *t = '\0';
     while ((c = *s++) != '\0') {
 	switch (c) {
@@ -760,9 +758,8 @@ assert(t);	/* XXX can't happen */
 
 	    tn += strlen(a);
 	    {   size_t pos = (size_t) (te - t);
-	/* cppcheck-suppress memleakOnRealloc  */
-        t = (char*) xrealloc(t, tn);
-assert(t);	/* XXX can't happen */
+		/* cppcheck-suppress memleakOnRealloc  */
+		t = (char*) xrealloc(t, tn);
 		if (t == NULL)
 		    return NULL;
 		te = stpcpy(t + pos, a);
@@ -778,7 +775,7 @@ assert(t);	/* XXX can't happen */
     /* If the new string is longer than needed, shorten. */
     if ((t + tn) > te) {
 /*@-usereleased@*/	/* XXX splint can't follow the pointers. */
-    if ((te = (char*) xrealloc(t, (size_t)(te - t))) == NULL)
+	if ((te = (char*) xrealloc(t, (size_t)(te - t))) == NULL)
 	    free(t);
 	t = te;
 /*@=usereleased@*/
@@ -1311,16 +1308,16 @@ static int poptSaveArg(poptContext con, const struct poptOption * opt)
 
     switch (poptArgType(opt)) {
     case POPT_ARG_BITSET:
-	/* XXX memory leak, application is responsible for free. */
 	rc = poptSaveBits(arg.ptr, opt->argInfo, con->os->nextArg);
+con->os->nextArg = _free(con->os->nextArg);
 	/*@switchbreak@*/ break;
     case POPT_ARG_ARGV:
-	/* XXX memory leak, application is responsible for free. */
 	rc = poptSaveString(arg.ptr, opt->argInfo, con->os->nextArg);
+con->os->nextArg = _free(con->os->nextArg);
 	/*@switchbreak@*/ break;
     case POPT_ARG_STRING:
-	/* XXX memory leak, application is responsible for free. */
-	arg.argv[0] = (con->os->nextArg) ? xstrdup(con->os->nextArg) : NULL;
+	arg.argv[0] = con->os->nextArg;
+con->os->nextArg = NULL;
 	/*@switchbreak@*/ break;
 
     case POPT_ARG_LONGLONG:
@@ -1390,6 +1387,7 @@ static int poptSaveArg(poptContext con, const struct poptOption * opt)
 		arg.shortp[0] = (short) aNUM;
 	    /*@innerbreak@*/ break;
 	}
+con->os->nextArg = _free(con->os->nextArg);
     }   /*@switchbreak@*/ break;
 
     case POPT_ARG_FLOAT:
@@ -1431,6 +1429,7 @@ static int poptSaveArg(poptContext con, const struct poptOption * opt)
 	    arg.floatp[0] = (float) aDouble;
 	    /*@innerbreak@*/ break;
 	}
+con->os->nextArg = _free(con->os->nextArg);
     }   /*@switchbreak@*/ break;
     case POPT_ARG_MAINCALL:
 /*@-assignexpose -type@*/
diff --git a/poptconfig.c b/poptconfig.c
index ef6c1ce..0bd3c97 100644
--- a/poptconfig.c
+++ b/poptconfig.c
@@ -42,11 +42,10 @@ extern int glob_pattern_p (const char *__pattern, int __quote)
 /*@=declundef =exportheader =incondefs =protoparammatch =redecl =type @*/
 #endif	/* __LCLINT__ */
 
-#if !defined(__GLIBC__)
 /* Return nonzero if PATTERN contains any metacharacters.
    Metacharacters can be quoted with backslashes if QUOTE is nonzero.  */
 static int
-glob_pattern_p (const char * pattern, int quote)
+poptGlob_pattern_p (const char * pattern, int quote)
 	/*@*/
 {
     const char * p;
@@ -72,7 +71,6 @@ glob_pattern_p (const char * pattern, int quote)
     }
     return 0;
 }
-#endif	/* !defined(__GLIBC__) */
 
 #if defined(HAVE_ASSERT_H)
 #include <assert.h>
@@ -111,7 +109,7 @@ static int poptGlob(/*@unused@*/ UNUSED(poptContext con), const char * pattern,
 	pat++;
 
 #if defined(HAVE_GLOB_H)
-    if (glob_pattern_p(pat, 0)) {
+    if (poptGlob_pattern_p(pat, 0)) {
 	glob_t _g, *pglob = &_g;
 
 	if (!glob(pat, poptGlobFlags, poptGlob_error, pglob)) {
diff --git a/poptint.h b/poptint.h
index 45b4599..7a86ff5 100644
--- a/poptint.h
+++ b/poptint.h
@@ -11,6 +11,9 @@
 
 #include <stdint.h>
 
+#define	SUPPORT_GLOBAL_CALCULATOR	1
+#define	SUPPORT_CONTIGUOUS_ARGV		1
+
 /**
  * Wrapper to free(3), hides const compilation noise, permit NULL, return NULL.
  * @param p		memory to free
-- 
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