Fix some -Wsign-compare warnings.

tools/wrc/genres.c

@@ -55,7 +55,7 @@ res_t *new_res(void)
 	return r;
 }
 
-res_t *grow_res(res_t *r, int add)
+res_t *grow_res(res_t *r, unsigned int add)
 {
 	r->allocsize += add;
 	r->data = (char *)xrealloc(r->data, r->allocsize);
@@ -407,7 +407,7 @@ static void put_lvc(res_t *res, lvc_t *lvc)
 */
 static void put_raw_data(res_t *res, raw_data_t *raw, int offset)
 {
-	int wsize = raw->size - offset;
+	unsigned int wsize = raw->size - offset;
 	if(res->allocsize - res->size < wsize)
 		grow_res(res, wsize);
 	memcpy(&(res->data[res->size]), raw->data + offset, wsize);

tools/wrc/genres.h

@@ -24,7 +24,7 @@
 #include "wrctypes.h"
 
 res_t *new_res(void);
-res_t *grow_res(res_t *r, int add);
+res_t *grow_res(res_t *r, unsigned int add);
 void put_byte(res_t *res, unsigned c);
 void put_word(res_t *res, unsigned w);
 void put_dword(res_t *res, unsigned d);

tools/wrc/wrctypes.h

@@ -87,10 +87,10 @@
 #define RES_BLOCKSIZE	512
 
 typedef struct res {
-	int	allocsize;	/* Allocated datablock size */
-	int	size;		/* Actual size of data */
-	int	dataidx;	/* Tag behind the resource-header */
-	char	*data;
+	unsigned int	allocsize;	/* Allocated datablock size */
+	unsigned int	size;		/* Actual size of data */
+	unsigned int	dataidx;	/* Tag behind the resource-header */
+	char		*data;
 } res_t;
 
 /* Resource strings are slightly more complex because they include '\0' */

tools/wrc/writeres.c

@@ -47,7 +47,7 @@
 void write_resfile(char *outname, resource_t *top)
 {
 	FILE *fo;
-	int ret;
+	unsigned int ret;
 	char zeros[3] = {0, 0, 0};
 
 	fo = fopen(outname, "wb");