Apply vodz's last_patch53.gz (bb_asprintf.c) and last_patch54.gz

(arith.c).

libbb/bb_asprintf.c

@@ -7,83 +7,15 @@
 #include <stdarg.h>
 
 
-#ifdef TEST
-extern void *xrealloc(void *p, size_t size);
-#else
-#include "libbb.h"      /* busybox source */
-#endif
+#include "libbb.h"
 
 
-/* Exchange glibc vasprintf - minimize allocate memory version */
-/* libc5 and uclibc have not vasprintf function */
-void bb_vasprintf(char **string_ptr, const char *format, va_list args)
-{
-       int   bs = 128;
-       char  stack_buff[128];
-       char *buff = stack_buff;
-       int   done;
-
-       /* two or more loop, first - calculate memory size only */
-       while(1) {
-               done = vsnprintf (buff, bs, format, args);
-/* Different libc have different interpretation vsnprintf returned value */
-               if(done >= 0) {
-                       if(done < bs && buff != stack_buff) {
-                               /* allocated */
-                               *string_ptr = buff;
-                               return;
-                       } else {
-                               /* true calculate memory size */
-                               bs = done+1;
-                       }
-               } else {
-                       /*
-                        * Old libc. Incrementaly test.
-                        * Exact not minimize allocate memory.
-                        */
-                       bs += 128;
-               }
-               buff = xrealloc((buff == stack_buff ? NULL : buff), bs);
-       }
-}
-
 void bb_asprintf(char **string_ptr, const char *format, ...)
 {
        va_list p;
 
        va_start(p, format);
-       bb_vasprintf(string_ptr, format, p);
+       if(vasprintf(string_ptr, format, p)<0)
+		error_msg_and_die(memory_exhausted);
        va_end(p);
 }
-
-#ifdef TEST
-int main(int argc, char **argv)
-{
-       char *out_buf;
-       char big_buf[200];
-       int i;
-
-       bb_asprintf(&out_buf, "Hi!\nargc=%d argv[0]=%s\n", argc, argv[0]);
-       printf(out_buf);
-       free(out_buf);
-
-       for(i=0; i < sizeof(big_buf)-1; i++)
-               big_buf[i]='x';
-       big_buf[i]=0;
-       bb_asprintf(&out_buf, "Test Big\n%s\n", big_buf);
-       printf(out_buf);
-       free(out_buf);
-
-       return 0;
-}
-
-void *xrealloc(void *p, size_t size)
-{
-       void *p2 = realloc(p, size);
-       if(p2==0) {
-               fprintf(stderr, "TEST: memory_exhausted\n");
-               exit(1);
-       }
-       return p2;
-}
-#endif