Silenced some compiler warnings.

popt/popt.c

@@ -907,10 +907,10 @@ int poptGetNextOpt(poptContext con)
 #ifndef DBL_EPSILON
 #define DBL_EPSILON 2.2204460492503131e-16
 #endif
-#define _ABS(a)	((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a))
-			if ((_ABS(aDouble) - FLT_MAX) > DBL_EPSILON)
+#define MY_ABS(a) ((((a) - 0.0) < DBL_EPSILON) ? -(a) : (a))
+			if ((MY_ABS(aDouble) - FLT_MAX) > DBL_EPSILON)
 			    return POPT_ERROR_OVERFLOW;
-			if ((FLT_MIN - _ABS(aDouble)) > DBL_EPSILON)
+			if ((FLT_MIN - MY_ABS(aDouble)) > DBL_EPSILON)
 			    return POPT_ERROR_OVERFLOW;
 			*((float *) opt->arg) = aDouble;
 		    }
@@ -1055,7 +1055,7 @@ poptContext poptFreeContext(poptContext con)
 }
 
 int poptAddAlias(poptContext con, struct poptAlias alias,
-		/*@unused@*/ int flags)
+		/*@unused@*/ UNUSED(int flags))
 {
     poptItem item = (poptItem) alloca(sizeof(*item));
     memset(item, 0, sizeof(*item));

popt/popt.h

@@ -363,7 +363,7 @@ int poptDupArgv(int argc, /*@null@*/ const char **argv,
  * @retval argcPtr	address of returned no. of arguments
  * @retval argvPtr	address of returned argument array
  */
-int poptParseArgvString(const char * s,
+int poptParseArgvString(const unsigned char * s,
 		/*@out@*/ int * argcPtr, /*@out@*/ const char *** argvPtr)
 	/*@modifies *argcPtr, *argvPtr @*/;
 

popt/poptconfig.c

@@ -10,7 +10,7 @@
 #include "poptint.h"
 
 /*@-compmempass@*/	/* FIX: item->option.longName kept, not dependent. */
-static void configLine(poptContext con, char * line)
+static void configLine(poptContext con, unsigned char * line)
 	/*@modifies con @*/
 {
     /*@-type@*/
@@ -159,7 +159,8 @@ int poptReadConfigFile(poptContext con, const char * fn)
     return 0;
 }
 
-int poptReadDefaultConfig(poptContext con, /*@unused@*/ int useEnv) {
+int poptReadDefaultConfig(poptContext con, /*@unused@*/ UNUSED(int useEnv))
+{
     char * fn, * home;
     int rc;
 

popt/popthelp.c

@@ -17,9 +17,9 @@
  * @param key		option(s)
  */
 static void displayArgs(poptContext con,
-		/*@unused@*/ enum poptCallbackReason foo,
+		/*@unused@*/ UNUSED(enum poptCallbackReason foo),
 		struct poptOption * key, 
-		/*@unused@*/ const char * arg, /*@unused@*/ void * data)
+		/*@unused@*/ UNUSED(const char * arg), /*@unused@*/ UNUSED(void * data))
 	/*@globals fileSystem@*/
 	/*@modifies fileSystem@*/
 {
@@ -84,7 +84,7 @@ getTableTranslationDomain(/*@null@*/ const struct poptOption *table)
 /*@observer@*/ /*@null@*/ static const char *const
 getArgDescrip(const struct poptOption * opt,
 		/*@-paramuse@*/		/* FIX: wazzup? */
-		/*@null@*/ const char * translation_domain)
+		/*@null@*/ UNUSED(const char * translation_domain))
 		/*@=paramuse@*/
 	/*@*/
 {
@@ -115,7 +115,7 @@ static /*@only@*/ /*@null@*/ char *
 singleOptionDefaultValue(int lineLength,
 		const struct poptOption * opt,
 		/*@-paramuse@*/	/* FIX: i18n macros disable with lclint */
-		/*@null@*/ const char * translation_domain)
+		/*@null@*/ UNUSED(const char * translation_domain))
 		/*@=paramuse@*/
 	/*@*/
 {
@@ -191,11 +191,11 @@ static void singleOptionHelp(FILE * fp, int maxLeftCol,
 {
     int indentLength = maxLeftCol + 5;
     int lineLength = 79 - indentLength;
-    const char * help = D_(translation_domain, opt->descrip);
+    const unsigned char * help = D_(translation_domain, opt->descrip);
     const char * argDescrip = getArgDescrip(opt, translation_domain);
     int helpLength;
-    char * defs = NULL;
-    char * left;
+    unsigned char * defs = NULL;
+    unsigned char * left;
     int nb = maxLeftCol + 1;
 
     /* Make sure there's more than enough room in target buffer. */
@@ -314,7 +314,7 @@ static void singleOptionHelp(FILE * fp, int maxLeftCol,
 
     helpLength = strlen(help);
     while (helpLength > lineLength) {
-	const char * ch;
+	const unsigned char * ch;
 	char format[10];
 
 	ch = help + lineLength - 1;
@@ -475,7 +475,7 @@ static int showHelpIntro(poptContext con, FILE * fp)
     return len;
 }
 
-void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ int flags)
+void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ UNUSED(int flags))
 {
     int leftColWidth;
 
@@ -634,7 +634,7 @@ static int showShortOptions(const struct poptOption * opt, FILE * fp,
     return strlen(s) + 4;
 }
 
-void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ int flags)
+void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ UNUSED(int flags))
 {
     int cursor;
 

popt/poptparse.c

@@ -51,10 +51,10 @@ int poptDupArgv(int argc, const char **argv,
     return 0;
 }
 
-int poptParseArgvString(const char * s, int * argcPtr, const char *** argvPtr)
+int poptParseArgvString(const unsigned char * s, int * argcPtr, const char *** argvPtr)
 {
-    const char * src;
-    char quote = '\0';
+    const unsigned char * src;
+    unsigned char quote = '\0';
     int argvAlloced = POPT_ARGV_ARRAY_GROW_DELTA;
     const char ** argv = malloc(sizeof(*argv) * argvAlloced);
     int argc = 0;

popt/system.h

@@ -69,5 +69,6 @@ char *alloca ();
 #define	xstrdup(_str)	strdup(_str)
 #endif  /* HAVE_MCHECK_H && defined(__GNUC__) */
 
+#define UNUSED(x) x __attribute__((__unused__))
 
 #include "popt.h"