src/expat/tests/chardata.c

   1 /*  chardata.c
   2  *
   3  *
   4  */
   5
   6 #include <assert.h>
   7 #include <check.h>
   8 #include <stdio.h>
   9 #include <string.h>
  10
  11 #include "chardata.h"
  12
  13
  14 static int
  15 xmlstrlen(const XML_Char *s)
  16 {
  17     int len = 0;
  18     assert(s != NULL);
  19     while (s[len] != 0)
  20         ++len;
  21     return len;
  22 }
  23
  24
  25 void
  26 CharData_Init(CharData *storage)
  27 {
  28     assert(storage != NULL);
  29     storage->count = -1;
  30 }
  31
  32 void
  33 CharData_AppendString(CharData *storage, const char *s)
  34 {
  35     int maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
  36     int len;
  37
  38     assert(s != NULL);
  39     len = strlen(s);
  40     if (storage->count < 0)
  41         storage->count = 0;
  42     if ((len + storage->count) > maxchars) {
  43         len = (maxchars - storage->count);
  44     }
  45     if (len + storage->count < sizeof(storage->data)) {
  46         memcpy(storage->data + storage->count, s, len);
  47         storage->count += len;
  48     }
  49 }
  50
  51 void
  52 CharData_AppendXMLChars(CharData *storage, const XML_Char *s, int len)
  53 {
  54     int maxchars;
  55
  56     assert(storage != NULL);
  57     assert(s != NULL);
  58     maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
  59     if (storage->count < 0)
  60         storage->count = 0;
  61     if (len < 0)
  62         len = xmlstrlen(s);
  63     if ((len + storage->count) > maxchars) {
  64         len = (maxchars - storage->count);
  65     }
  66     if (len + storage->count < sizeof(storage->data)) {
  67         memcpy(storage->data + storage->count, s,
  68                len * sizeof(storage->data[0]));
  69         storage->count += len;
  70     }
  71 }
  72
  73 int
  74 CharData_CheckString(CharData *storage, const char *expected)
  75 {
  76     char buffer[1280];
  77     int len;
  78     int count;
  79
  80     assert(storage != NULL);
  81     assert(expected != NULL);
  82     count = (storage->count < 0) ? 0 : storage->count;
  83     len = strlen(expected);
  84     if (len != count) {
  85         if (sizeof(XML_Char) == 1)
  86             sprintf(buffer, "wrong number of data characters:"
  87                     " got %d, expected %d:\n%s", count, len, storage->data);
  88         else
  89             sprintf(buffer,
  90                     "wrong number of data characters: got %d, expected %d",
  91                     count, len);
  92         fail(buffer);
  93         return 0;
  94     }
  95     if (memcmp(expected, storage->data, len) != 0) {
  96         fail("got bad data bytes");
  97         return 0;
  98     }
  99     return 1;
 100 }
 101
 102 int
 103 CharData_CheckXMLChars(CharData *storage, const XML_Char *expected)
 104 {
 105     char buffer[1024];
 106     int len = xmlstrlen(expected);
 107     int count;
 108
 109     assert(storage != NULL);
 110     count = (storage->count < 0) ? 0 : storage->count;
 111     if (len != count) {
 112         sprintf(buffer, "wrong number of data characters: got %d, expected %d",
 113                 count, len);
 114         fail(buffer);
 115         return 0;
 116     }
 117     if (memcmp(expected, storage->data, len * sizeof(storage->data[0])) != 0) {
 118         fail("got bad data bytes");
 119         return 0;
 120     }
 121     return 1;
 122 }