Remove various scripts

[grml-scripts.git] / compile / align.c

diff --git a/compile/align.c b/compile/align.c
deleted file mode 100644 (file)
index 6ef0fb1..0000000
--- a/compile/align.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * By Patrick Reynolds <reynolds@cs.duke.edu>
- * Too trivial to copyright.  It's in the public domain!
- *
- * To build:
- *   gcc align.c -o align
- *
- * To run:
- *   ./align
- *
- * Note that optimizing compilers will almost certainly reorder the data
- * segment, throwing off the values you get for structure alignments.
- * Annoyingly, some compilers don't let you disable optimizations.
- * GCC by default (with optimizations off) doesn't reorder data segments.
- * So use GCC.
- */
-
-#include <stdio.h>
-
-typedef struct { char a; } s_char;
-typedef struct { short a; } s_short;
-typedef struct { int a; } s_int;
-typedef struct { long a; } s_long;
-typedef struct { long long a; } s_long_long;
-typedef struct { float a; } s_float;
-typedef struct { double a; } s_double;
-typedef struct { int *a; } s_intp;
-
-int main() {
-  int i = 0x01020304;
-  char *ch = (char*)&i;
-  char c1;        char ch0;  char c2;
-  double d1;      char ch1;  double d2;
-  float f1;       char ch2;  float f2;
-  short s1;       char ch3;  short s2;
-  int i1;         char ch4;  int i2;
-  long long ll1;  char ch5;  long long ll2;
-  int *p1;        char ch6;  int *p2;
-  long l1;        char ch7;  long l2;
-  s_char sc1;     char ch8;  s_char sc2;
-  s_short ss1;    char ch9;  s_short ss2;
-  s_int si1;      char ch10; s_int si2;
-  s_long sl1;     char ch11; s_long sl2;
-  s_long_long sll1;char ch12;s_long_long sll2;
-  s_float sf1;    char ch13; s_float sf2;
-  s_double sd1;   char ch14; s_double sd2;
-  s_intp sp1;     char ch15; s_intp sp2;
-
-  if (ch[0] == 0x01)
-    printf("Big endian (%d %d %d %d)\n",     ch[0], ch[1], ch[2], ch[3]);
-  else if (ch[0] == 0x04)
-    printf("Little endian (%d %d %d %d)\n",  ch[0], ch[1], ch[2], ch[3]);
-  else
-    printf("Unknown endian (%d %d %d %d)\n", ch[0], ch[1], ch[2], ch[3]);
-
-  printf("sizes:\n");
-  printf("  char:      %d\n", sizeof(char));
-  printf("  short:     %d\n", sizeof(short));
-  printf("  int:       %d\n", sizeof(int));
-  printf("  long:      %d\n", sizeof(long));
-  printf("  long long: %d\n", sizeof(long long));
-  printf("  float:     %d\n", sizeof(float));
-  printf("  double:    %d\n", sizeof(double));
-  printf("  int*:      %d\n", sizeof(int*));
-  printf("alignments:\n");
-  printf("  char:      %d (%p %p %p)\n",
-    (char*)&c1  - (char*)&c2  - sizeof(char),       &c1,  &ch0, &c2);
-  printf("  short:     %d (%p %p %p)\n",
-    (char*)&s1  - (char*)&s2  - sizeof(short),      &s1,  &ch3, &s2);
-  printf("  int:       %d (%p %p %p)\n",
-    (char*)&i1  - (char*)&i2  - sizeof(int),        &i1,  &ch4, &i2);
-  printf("  long:      %d (%p %p %p)\n",
-    (char*)&l1  - (char*)&l2  - sizeof(long),       &l1,  &ch7, &l2);
-  printf("  long long: %d (%p %p %p)\n",
-    (char*)&ll1 - (char*)&ll2 - sizeof(long long),  &ll1, &ch5, &ll2);
-  printf("  float:     %d (%p %p %p)\n",
-    (char*)&f1  - (char*)&f2  - sizeof(float),      &f1,  &ch2, &f2);
-  printf("  double:    %d (%p %p %p)\n",
-    (char*)&d1  - (char*)&d2  - sizeof(double),     &d1,  &ch1, &d2);
-  printf("  int*:      %d (%p %p %p)\n",
-    (char*)&p1  - (char*)&p2  - sizeof(int*),       &p1,  &ch6, &p2);
-  printf("structure alignments:\n");
-  printf("  char struct:      %d (%p %p %p)\n",
-    (char*)&sc1  - (char*)&sc2  - sizeof(s_char),   &sc1,  &ch8, &sc2);
-  printf(" short struct:      %d (%p %p %p)\n",
-    (char*)&ss1  - (char*)&ss2  - sizeof(s_short),  &ss1,  &ch9, &ss2);
-  printf("   int struct:      %d (%p %p %p)\n",
-    (char*)&si1  - (char*)&si2  - sizeof(s_int),    &si1,  &ch10,&si2);
-  printf("  long struct:      %d (%p %p %p)\n",
-    (char*)&sl1  - (char*)&sl2  - sizeof(s_long),   &sl1,  &ch11,&sl2);
-  printf(" llong struct:      %d (%p %p %p)\n",
-    (char*)&sll1  - (char*)&sll2  - sizeof(s_long_long),&sll1,&ch12,&sll2);
-  printf(" float struct:      %d (%p %p %p)\n",
-    (char*)&sf1  - (char*)&sf2  - sizeof(s_float),  &sf1,  &ch13,&sf2);
-  printf("double struct:      %d (%p %p %p)\n",
-    (char*)&sd1  - (char*)&sd2  - sizeof(s_double), &sd1,  &ch14,&sd2);
-  printf("  int* struct:      %d (%p %p %p)\n",
-    (char*)&sp1  - (char*)&sp2  - sizeof(s_intp),   &sp1,  &ch15,&sp2);
-
-  return 0;
-}