src/expat/tests/chardata.c

   1 /* Copyright (c) 1998-2003 Thai Open Source Software Center Ltd
   2    See the file COPYING for copying permission.
   3
   4    chardata.c
   5 */
   6
   7 #ifdef HAVE_EXPAT_CONFIG_H
   8 #include <expat_config.h>
   9 #endif
  10 #ifdef HAVE_CHECK_H
  11 #include <check.h>
  12 #else
  13 #include "minicheck.h"
  14 #endif
  15
  16 #include <assert.h>
  17 #include <stdio.h>
  18 #include <string.h>
  19
  20 #include "chardata.h"
  21
  22
  23 static int
  24 xmlstrlen(const XML_Char *s)
  25 {
  26     int len = 0;
  27     assert(s != NULL);
  28     while (s[len] != 0)
  29         ++len;
  30     return len;
  31 }
  32
  33
  34 void
  35 CharData_Init(CharData *storage)
  36 {
  37     assert(storage != NULL);
  38     storage->count = -1;
  39 }
  40
  41 void
  42 CharData_AppendString(CharData *storage, const char *s)
  43 {
  44     int maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
  45     int len;
  46
  47     assert(s != NULL);
  48     len = strlen(s);
  49     if (storage->count < 0)
  50         storage->count = 0;
  51     if ((len + storage->count) > maxchars) {
  52         len = (maxchars - storage->count);
  53     }
  54     if (len + storage->count < sizeof(storage->data)) {
  55         memcpy(storage->data + storage->count, s, len);
  56         storage->count += len;
  57     }
  58 }
  59
  60 void
  61 CharData_AppendXMLChars(CharData *storage, const XML_Char *s, int len)
  62 {
  63     int maxchars;
  64
  65     assert(storage != NULL);
  66     assert(s != NULL);
  67     maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
  68     if (storage->count < 0)
  69         storage->count = 0;
  70     if (len < 0)
  71         len = xmlstrlen(s);
  72     if ((len + storage->count) > maxchars) {
  73         len = (maxchars - storage->count);
  74     }
  75     if (len + storage->count < sizeof(storage->data)) {
  76         memcpy(storage->data + storage->count, s,
  77                len * sizeof(storage->data[0]));
  78         storage->count += len;
  79     }
  80 }
  81
  82 int
  83 CharData_CheckString(CharData *storage, const char *expected)
  84 {
  85     char buffer[1280];
  86     int len;
  87     int count;
  88
  89     assert(storage != NULL);
  90     assert(expected != NULL);
  91     count = (storage->count < 0) ? 0 : storage->count;
  92     len = strlen(expected);
  93     if (len != count) {
  94         if (sizeof(XML_Char) == 1)
  95             sprintf(buffer, "wrong number of data characters:"
  96                     " got %d, expected %d:\n%s", count, len, storage->data);
  97         else
  98             sprintf(buffer,
  99                     "wrong number of data characters: got %d, expected %d",
 100                     count, len);
 101         fail(buffer);
 102         return 0;
 103     }
 104     if (memcmp(expected, storage->data, len) != 0) {
 105         fail("got bad data bytes");
 106         return 0;
 107     }
 108     return 1;
 109 }
 110
 111 int
 112 CharData_CheckXMLChars(CharData *storage, const XML_Char *expected)
 113 {
 114     char buffer[1024];
 115     int len = xmlstrlen(expected);
 116     int count;
 117
 118     assert(storage != NULL);
 119     count = (storage->count < 0) ? 0 : storage->count;
 120     if (len != count) {
 121         sprintf(buffer, "wrong number of data characters: got %d, expected %d",
 122                 count, len);
 123         fail(buffer);
 124         return 0;
 125     }
 126     if (memcmp(expected, storage->data, len * sizeof(storage->data[0])) != 0) {
 127         fail("got bad data bytes");
 128         return 0;
 129     }
 130     return 1;
 131 }