t/helper/test-delete-gpgsig.c

   1 #include "test-tool.h"
   2 #include "gpg-interface.h"
   3 #include "strbuf.h"
   4
   5
   6 int cmd__delete_gpgsig(int argc, const char **argv)
   7 {
   8         struct strbuf buf = STRBUF_INIT;
   9         const char *pattern = "gpgsig";
  10         const char *bufptr, *tail, *eol;
  11         int deleting = 0;
  12         size_t plen;
  13
  14         if (argc >= 2) {
  15                 pattern = argv[1];
  16                 argv++;
  17                 argc--;
  18         }
  19
  20         plen = strlen(pattern);
  21         strbuf_read(&buf, 0, 0);
  22
  23         if (!strcmp(pattern, "trailer")) {
  24                 size_t payload_size = parse_signed_buffer(buf.buf, buf.len);
  25                 fwrite(buf.buf, 1, payload_size, stdout);
  26                 fflush(stdout);
  27                 return 0;
  28         }
  29
  30         bufptr = buf.buf;
  31         tail = bufptr + buf.len;
  32
  33         while (bufptr < tail) {
  34                 /* Find the end of the line */
  35                 eol = memchr(bufptr, '\n', tail - bufptr);
  36                 if (!eol)
  37                         eol = tail;
  38
  39                 /* Drop continuation lines */
  40                 if (deleting && (bufptr < eol) && (bufptr[0] == ' ')) {
  41                         bufptr = eol + 1;
  42                         continue;
  43                 }
  44                 deleting = 0;
  45
  46                 /* Does the line match the prefix? */
  47                 if (((bufptr + plen) < eol) &&
  48                     !memcmp(bufptr, pattern, plen) &&
  49                     (bufptr[plen] == ' ')) {
  50                         deleting = 1;
  51                         bufptr = eol + 1;
  52                         continue;
  53                 }
  54
  55                 /* Print all other lines */
  56                 fwrite(bufptr, 1, (eol - bufptr) + 1, stdout);
  57                 bufptr = eol + 1;
  58         }
  59         fflush(stdout);
  60
  61         return 0;
  62 }