Add a few unsigned and casts for less warnings with -Wsign-compare.

--HG--
branch : HEAD

lib/zip_close.c

diff --git a/lib/zip_close.c b/lib/zip_close.c
index 890f337..69437b6 100644
--- a/lib/zip_close.c
+++ b/lib/zip_close.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: zip_close.c,v 1.49 2005/06/09 19:11:37 dillo Exp $
+  $NiH: zip_close.c,v 1.50 2005/06/09 19:57:09 dillo Exp $
 
   zip_close.c -- close zip archive and update changes
   Copyright (C) 1999, 2004, 2005 Dieter Baron and Thomas Klausner
@@ -313,7 +313,7 @@
 
     st->comp_size = 0;
     while ((n=cb(ud, buf, sizeof(buf), ZIP_SOURCE_READ)) > 0) {
-	if (fwrite(buf, 1, n, ft) != n) {
+	if (fwrite(buf, 1, n, ft) != (size_t)n) {
 	    _zip_error_set(error, ZIP_ER_WRITE, errno);
 	    return -1;
 	}
@@ -443,7 +443,7 @@
 	    return -1;
 	}
 
-	if (fwrite(buf, 1, n, ft) != n) {
+	if (fwrite(buf, 1, n, ft) != (size_t)n) {
 	    _zip_error_set(error, ZIP_ER_WRITE, errno);
 	    return -1;
 	}

lib/zip_dirent.c

diff --git a/lib/zip_dirent.c b/lib/zip_dirent.c
index 8c5b56c..70ebf63 100644
--- a/lib/zip_dirent.c
+++ b/lib/zip_dirent.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: zip_dirent.c,v 1.5 2005/01/11 19:00:34 wiz Exp $
+  $NiH: zip_dirent.c,v 1.6 2005/06/09 19:57:09 dillo Exp $
 
   zip_dirent.c -- read directory entry (local or central), clean dirent
   Copyright (C) 1999, 2003, 2004, 2005 Dieter Baron and Thomas Klausner
@@ -47,7 +47,7 @@
 #include "zipint.h"
 
 static time_t _zip_d2u_time(int, int);
-static char *_zip_readfpstr(FILE *, int, int, struct zip_error *);
+static char *_zip_readfpstr(FILE *, unsigned int, int, struct zip_error *);
 static char *_zip_readstr(unsigned char **, int, int, struct zip_error *);
 static void _zip_u2d_time(time_t, int *, int *);
 static void _zip_write2(unsigned short, FILE *);
@@ -188,13 +188,13 @@
 
 int
 _zip_dirent_read(struct zip_dirent *zde, FILE *fp,
-		 unsigned char **bufp, int left, int localp,
+		 unsigned char **bufp, unsigned int left, int localp,
 		 struct zip_error *error)
 {
     unsigned char buf[CDENTRYSIZE];
     unsigned char *cur;
     unsigned short dostime, dosdate;
-    int size;
+    unsigned int size;
 
     if (localp)
 	size = LENTRYSIZE;
@@ -434,7 +434,7 @@
 
 
 static char *
-_zip_readfpstr(FILE *fp, int len, int nulp, struct zip_error *error)
+_zip_readfpstr(FILE *fp, unsigned int len, int nulp, struct zip_error *error)
 {
     char *r, *o;
 

lib/zip_fread.c

diff --git a/lib/zip_fread.c b/lib/zip_fread.c
index 2d6574a..07be819 100644
--- a/lib/zip_fread.c
+++ b/lib/zip_fread.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: zip_fread.c,v 1.15 2005/05/20 21:54:53 wiz Exp $
+  $NiH: zip_fread.c,v 1.16 2005/06/09 19:57:09 dillo Exp $
 
   zip_fread.c -- read from file
   Copyright (C) 1999, 2004, 2005 Dieter Baron and Thomas Klausner
@@ -43,7 +43,8 @@
 ssize_t
 zip_fread(struct zip_file *zf, void *outbuf, size_t toread)
 {
-    int len, out_before, ret;
+    int out_before, ret;
+    unsigned int len;
 
     if (!zf)
 	return -1;

lib/zipint.h

diff --git a/lib/zipint.h b/lib/zipint.h
index ff42dbe..fd30f29 100644
--- a/lib/zipint.h
+++ b/lib/zipint.h
@@ -2,7 +2,7 @@
 #define _HAD_ZIPINT_H
 
 /*
-  $NiH: zipint.h,v 1.39 2005/01/11 19:52:24 wiz Exp $
+  $NiH: zipint.h,v 1.40 2005/06/09 19:57:10 dillo Exp $
 
   zipint.h -- internal declarations.
   Copyright (C) 1999, 2003, 2004, 2005 Dieter Baron and Thomas Klausner
@@ -180,7 +180,7 @@
 void _zip_dirent_finalize(struct zip_dirent *);
 void _zip_dirent_init(struct zip_dirent *);
 int _zip_dirent_read(struct zip_dirent *, FILE *,
-		     unsigned char **, int, int, struct zip_error *);
+		     unsigned char **, unsigned int, int, struct zip_error *);
 int _zip_dirent_write(struct zip_dirent *, FILE *, int, struct zip_error *);
 
 void _zip_entry_free(struct zip_entry *);

src/zipcmp.c

diff --git a/src/zipcmp.c b/src/zipcmp.c
index 4ffc039..eaceee9 100644
--- a/src/zipcmp.c
+++ b/src/zipcmp.c
@@ -1,5 +1,5 @@
 /*
-  $NiH: zipcmp.c,v 1.16 2005/05/20 21:56:54 wiz Exp $
+  $NiH: zipcmp.c,v 1.17 2005/06/09 19:57:10 dillo Exp $
 
   zipcmp.c -- compare zip files
   Copyright (C) 2003, 2004, 2005 Dieter Baron and Thomas Klausner
@@ -295,7 +295,8 @@
 {
     struct zip_file *zf;
     char buf[8192];
-    int n, nsize, ncrc;
+    int n, nsize;
+    unsigned int ncrc;
     
     if ((zf=zip_fopen_index(za, idx, 0)) == NULL) {
 	fprintf(stderr, "%s: cannot open file %d in archive: %s\n",