/usr/share/doc/uthash-dev/examples/test25.c is in uthash-dev 1.9.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | #include <stdio.h>
#include "utlist.h"
typedef struct el {
int id;
struct el *next, *prev;
} el;
el *head = NULL;
int main(int argc, char *argv[]) {
int i;
el els[10], *e;
for(i=0;i<10;i++) els[i].id='a'+i;
/* test CDL macros */
printf("CDL macros\n");
CDL_PREPEND(head,&els[0]);
CDL_PREPEND(head,&els[1]);
CDL_PREPEND(head,&els[2]);
CDL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
/* point head to head->next */
printf("advancing head pointer\n");
head = head->next;
CDL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
/* follow circular loop a few times */
for(i=0,e=head;e && i<10;i++,e=e->next)
printf("%c ", e->id);
printf("\n");
/* follow circular loop backwards a few times */
for(i=0,e=head;e && i<10;i++,e=e->prev)
printf("%c ", e->id);
printf("\n");
printf("deleting b\n");
CDL_DELETE(head,&els[1]);
CDL_FOREACH(head,e) printf("%c ", e->id);
printf("\n");
printf("deleting (a)\n");
CDL_DELETE(head,&els[0]);
CDL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
printf("deleting (c)\n");
CDL_DELETE(head,&els[2]);
CDL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
/* test DL macros */
printf("DL macros\n");
DL_APPEND(head,&els[0]);
DL_APPEND(head,&els[1]);
DL_APPEND(head,&els[2]);
DL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
printf("deleting tail c\n");
DL_DELETE(head,&els[2]);
DL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
printf("deleting head a\n");
DL_DELETE(head,&els[0]);
DL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
printf("deleting head b\n");
DL_DELETE(head,&els[1]);
DL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
/* test LL macros */
printf("LL macros\n");
LL_APPEND(head,&els[0]);
LL_APPEND(head,&els[1]);
LL_APPEND(head,&els[2]);
LL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
printf("deleting tail c\n");
LL_DELETE(head,&els[2]);
LL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
printf("deleting head a\n");
LL_DELETE(head,&els[0]);
LL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
printf("deleting head b\n");
LL_DELETE(head,&els[1]);
LL_FOREACH(head,e)
printf("%c ", e->id);
printf("\n");
return 0;
}
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