test-line-buffer.c

   1 /*
   2  * test-line-buffer.c: code to exercise the svn importer's input helper
   3  *
   4  * Input format:
   5  *      number NL
   6  *      (number bytes) NL
   7  *      number NL
   8  *      ...
   9  */
  10
  11 #include "git-compat-util.h"
  12 #include "vcs-svn/line_buffer.h"
  13
  14 static uint32_t strtouint32(const char *s)
  15 {
  16         char *end;
  17         uintmax_t n = strtoumax(s, &end, 10);
  18         if (*s == '\0' || *end != '\0')
  19                 die("invalid count: %s", s);
  20         return (uint32_t) n;
  21 }
  22
  23 int main(int argc, char *argv[])
  24 {
  25         struct line_buffer buf = LINE_BUFFER_INIT;
  26         char *s;
  27
  28         if (argc != 1)
  29                 usage("test-line-buffer < input.txt");
  30         if (buffer_init(&buf, NULL))
  31                 die_errno("open error");
  32         while ((s = buffer_read_line(&buf))) {
  33                 s = buffer_read_string(&buf, strtouint32(s));
  34                 fputs(s, stdout);
  35                 fputc('\n', stdout);
  36                 buffer_skip_bytes(&buf, 1);
  37                 if (!(s = buffer_read_line(&buf)))
  38                         break;
  39                 buffer_copy_bytes(&buf, strtouint32(s) + 1);
  40         }
  41         if (buffer_deinit(&buf))
  42                 die("input error");
  43         if (ferror(stdout))
  44                 die("output error");
  45         buffer_reset(&buf);
  46         return 0;
  47 }