apps/test_output/test_output.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 void testFormatting(FILE* f);
   5 void testLongLine(FILE* f);
   6 void test(FILE* f);
   7
   8 char* longString = "To fully test the TTY, one should lower the line buffer size to less than 512.  A very long line:  asdlaskd sdflsdkjh dsadlfjh fsdlfajdsfh \
   9     sdfalasdjkfsdaf sdflsdajkfhsdf sdflasdjfhsdf ds fsdljfhdsaf sdafljksdfhsdlfkjsdfhsd \
  10     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  11     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  12     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  13     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  14     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  15     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  16     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  17     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  18     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  19     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  20     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  21     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  22     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  23     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd \
  24     sdalkfjsdfh dslfjksdafhsda fsdlafjksdafh sdaflsdafjsdhf asdflsdfjkasdhf dsflasdjkfsdhf sdf sdafjhsdaf sdaflsdjf sdalfjdsfh we flsdjfhsdf sdlafjsdf sd\r\n";
  25
  26
  27 static char* getLongString()
  28 {
  29         return longString;
  30 }
  31
  32
  33 void testFormatting(FILE* f)
  34 {
  35     int* ptr;
  36     ptr = (int*)malloc(sizeof(int));
  37
  38     fprintf(f, "char(10): \'%10c\'\r\n", 'c');
  39     fprintf(f, "string(5): \"%5s\"\r\n", "Justin Smith");
  40     fprintf(f, "pointer(10): \"%10p\"\r\n", ptr);
  41     fprintf(f, "so far(20): %n", ptr);
  42     fprintf(f, "\"%20d\"\r\n", *ptr);
  43     fprintf(f, "octal(10):21: \"%10o\"\r\n", 21);
  44     fprintf(f, "hex(5):-21: \"%5x\"\r\n", -21);
  45     fprintf(f, "signed int(10):-21: \"%10d\"\r\n", -21);
  46     fprintf(f, "unsigned int(20):-21: \"%20u\"\r\n", -21);
  47
  48     free(ptr);
  49 }
  50
  51 void testLongLine(FILE* f)
  52 {
  53     fprintf(f, getLongString());
  54 }
  55
  56 static void testPrintf(FILE* f)
  57 {
  58     testLongLine(f);
  59     testFormatting(f);
  60 }
  61
  62 static void testFputs(FILE* f)
  63 {
  64         fputs("\nfputs:\n\n\n", f);
  65         fputs(getLongString(), f);
  66 }
  67
  68 int main(int argc, char** argv)
  69 {
  70     char* path;
  71     FILE* f;
  72
  73     if(argc > 1)
  74     {
  75         f = fopen(argv[1], "w");
  76         path = argv[1];
  77     }
  78     else
  79     {
  80         f = stdout;
  81         path = "stdout";
  82     }
  83     printf("A test of \"fprintf\" to file: \"%s\".\r\n\n", path);
  84
  85     if(f != (FILE*)0)
  86     {
  87         testPrintf(f);
  88                 testFputs(f);
  89     }
  90     else
  91     {
  92         printf("File could not be opened.\r\n" );
  93     }
  94
  95     return 0;
  96 }