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

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    Revision 532 - (show annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
    File MIME type: text/plain
    File size: 4387 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    1 #include <assert.h>
    2 #include <stdarg.h>
    3 #include <stddef.h>
    4 #include <stdint.h>
    5 #include <string.h>
    6 #include <stdio.h>
    7
    8 int main(void)
    9 {
    10 int r, i;
    11 char buffer[512];
    12
    13 r = snprintf(buffer, 512, "Hello, %d", 37);
    14 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    15
    16 r = snprintf(buffer, 512, "Hello, %'d", 37373737);
    17 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    18
    19 r = snprintf(buffer, 512, "Hello, %'x", 0xdeadbeef);
    20 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    21
    22 r = snprintf(buffer, 512, "Hello, %'#X", 0xdeadbeef);
    23 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    24
    25 r = snprintf(buffer, 512, "Hello, %'#llo", 0123456701234567ULL);
    26 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    27
    28 /* Make sure overflow works correctly */
    29 memset(buffer, '\xff', 512);
    30 r = snprintf(buffer, 16, "Hello, %'#llo", 0123456701234567ULL);
    31 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    32 for (i = 16; i < 512; i++)
    33 assert(buffer[i] == '\xff');
    34
    35 r = snprintf(buffer, 512, "Hello, %'#40.20llo", 0123456701234567ULL);
    36 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    37
    38 r = snprintf(buffer, 512, "Hello, %'#-40.20llo", 0123456701234567ULL);
    39 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    40
    41 r = snprintf(buffer, 512, "Hello, %'#*.*llo", 40, 20,
    42 0123456701234567ULL);
    43 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    44
    45 r = snprintf(buffer, 512, "Hello, %'#*.*llo", -40, 20,
    46 0123456701234567ULL);
    47 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    48
    49 r = snprintf(buffer, 512, "Hello, %'#*.*llo", -40, -20,
    50 0123456701234567ULL);
    51 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    52
    53 r = snprintf(buffer, 512, "Hello, %'#*.*llx", -40, -20,
    54 0123456701234567ULL);
    55 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    56
    57 r = snprintf(buffer, 512, "Hello, %p", &buffer);
    58 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    59
    60 r = snprintf(buffer, 512, "Hello, %P", &buffer);
    61 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    62
    63 r = snprintf(buffer, 512, "Hello, %20p", &buffer);
    64 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    65
    66 r = snprintf(buffer, 512, "Hello, %-20p", &buffer);
    67 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    68
    69 r = snprintf(buffer, 512, "Hello, %-20p", NULL);
    70 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    71
    72 r = snprintf(buffer, 20, "Hello, %'-20p", NULL);
    73 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    74
    75 r = snprintf(buffer, 15, "Hello, %'-20p", NULL);
    76 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    77
    78 r = snprintf(buffer, 3, "Hello, %'-20p", NULL);
    79 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    80
    81 /* This shouldn't change buffer in any way! */
    82 r = snprintf(buffer, 0, "Hello, %'-20p", NULL);
    83 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    84
    85 for (i = -30; i <= 30; i++) {
    86 r = snprintf(buffer, 40, "Hello, %'*p", i, NULL);
    87 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer),
    88 r);
    89 }
    90
    91 r = snprintf(buffer, 40, "Hello, %'-20s", "String");
    92 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    93
    94 r = snprintf(buffer, 40, "Hello, %'20s", "String");
    95 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    96
    97 r = snprintf(buffer, 40, "Hello, %'020s", "String");
    98 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    99
    100 r = snprintf(buffer, 40, "Hello, %'-20s", NULL);
    101 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    102
    103 r = snprintf(buffer, 40, "Hello, %'20s", NULL);
    104 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    105
    106 r = snprintf(buffer, 40, "Hello, %'020s", NULL);
    107 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    108
    109 r = snprintf(buffer, 40, "Hello, %'-20c", '*');
    110 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    111
    112 r = snprintf(buffer, 40, "Hello, %'20c", '*');
    113 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    114
    115 r = snprintf(buffer, 40, "Hello, %'020c", '*');
    116 printf("buffer = \"%s\" (%d), r = %d\n", buffer, strlen(buffer), r);
    117
    118 return 0;
    119 }