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    Contents of /trunk/mkinitrd-magellan/klibc/usr/klibc/tests/testvsnp.c

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    Revision 1297 - (show annotations) (download)
    Fri May 27 15:12:11 2011 UTC (12 years, 11 months ago) by niro
    File MIME type: text/plain
    File size: 4367 byte(s) 
    -updated to klibc-1.5.22 with mntproc definitions patch included
    1 #include <assert.h>
    2 #include <stddef.h>
    3 #include <stdint.h>
    4 #include <string.h>
    5 #include <stdio.h>
    6
    7 int main(void)
    8 {
    9 int r, i;
    10 char buffer[512];
    11
    12 r = snprintf(buffer, 512, "Hello, %d", 37);
    13 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    14
    15 r = snprintf(buffer, 512, "Hello, %'d", 37373737);
    16 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    17
    18 r = snprintf(buffer, 512, "Hello, %'x", 0xdeadbeef);
    19 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    20
    21 r = snprintf(buffer, 512, "Hello, %'#X", 0xdeadbeef);
    22 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    23
    24 r = snprintf(buffer, 512, "Hello, %'#llo", 0123456701234567ULL);
    25 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    26
    27 /* Make sure overflow works correctly */
    28 memset(buffer, '\xff', 512);
    29 r = snprintf(buffer, 16, "Hello, %'#llo", 0123456701234567ULL);
    30 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    31 for (i = 16; i < 512; i++)
    32 assert(buffer[i] == '\xff');
    33
    34 r = snprintf(buffer, 512, "Hello, %'#40.20llo", 0123456701234567ULL);
    35 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    36
    37 r = snprintf(buffer, 512, "Hello, %'#-40.20llo", 0123456701234567ULL);
    38 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    39
    40 r = snprintf(buffer, 512, "Hello, %'#*.*llo", 40, 20,
    41 0123456701234567ULL);
    42 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    43
    44 r = snprintf(buffer, 512, "Hello, %'#*.*llo", -40, 20,
    45 0123456701234567ULL);
    46 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    47
    48 r = snprintf(buffer, 512, "Hello, %'#*.*llo", -40, -20,
    49 0123456701234567ULL);
    50 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    51
    52 r = snprintf(buffer, 512, "Hello, %'#*.*llx", -40, -20,
    53 0123456701234567ULL);
    54 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    55
    56 r = snprintf(buffer, 512, "Hello, %p", &buffer);
    57 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    58
    59 r = snprintf(buffer, 512, "Hello, %P", &buffer);
    60 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    61
    62 r = snprintf(buffer, 512, "Hello, %20p", &buffer);
    63 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    64
    65 r = snprintf(buffer, 512, "Hello, %-20p", &buffer);
    66 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    67
    68 r = snprintf(buffer, 512, "Hello, %-20p", NULL);
    69 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    70
    71 r = snprintf(buffer, 20, "Hello, %'-20p", NULL);
    72 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    73
    74 r = snprintf(buffer, 15, "Hello, %'-20p", NULL);
    75 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    76
    77 r = snprintf(buffer, 3, "Hello, %'-20p", NULL);
    78 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    79
    80 /* This shouldn't change buffer in any way! */
    81 r = snprintf(buffer, 0, "Hello, %'-20p", NULL);
    82 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    83
    84 for (i = -30; i <= 30; i++) {
    85 r = snprintf(buffer, 40, "Hello, %'*p", i, NULL);
    86 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer),
    87 r);
    88 }
    89
    90 r = snprintf(buffer, 40, "Hello, %'-20s", "String");
    91 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    92
    93 r = snprintf(buffer, 40, "Hello, %'20s", "String");
    94 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    95
    96 r = snprintf(buffer, 40, "Hello, %'020s", "String");
    97 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    98
    99 r = snprintf(buffer, 40, "Hello, %'-20s", NULL);
    100 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    101
    102 r = snprintf(buffer, 40, "Hello, %'20s", NULL);
    103 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    104
    105 r = snprintf(buffer, 40, "Hello, %'020s", NULL);
    106 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    107
    108 r = snprintf(buffer, 40, "Hello, %'-20c", '*');
    109 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    110
    111 r = snprintf(buffer, 40, "Hello, %'20c", '*');
    112 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    113
    114 r = snprintf(buffer, 40, "Hello, %'020c", '*');
    115 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    116
    117 return 0;
    118 }