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update

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This commit is contained in:
Ingy döt Net 2013-06-05 21:47:54 +00:00
parent 1f1ad49427
commit 6f050a029e
2496 changed files with 37609 additions and 3031 deletions
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12
Task/Simple-database/C/simple-database.c
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@ -9,8 +9,8 @@
#define TRY2(a) if((a)<0) {perror(#a);exit(1);}
#define FREE(a) if(a) {free(a);a=NULL;}
#define sort_by(foo) \
static int by_##foo (pdb_t *p1, pdb_t *p2) { \
return strcmp ((*p1)->foo, (*p2)->foo); }
static int by_##foo (const void*p1, const void*p2) { \
return strcmp ((*(const pdb_t*)p1)->foo, (*(const pdb_t*)p2)->foo); }
typedef struct db {
char title[26];
char first_name[26];
@ -20,8 +20,7 @@ typedef struct db {
struct db *next;
}
db_t,*pdb_t;
typedef int (sort)(pdb_t*, pdb_t*);
typedef int (*compfn)(const void*, const void*);
typedef int (sort)(const void*, const void*);
enum {CREATE,PRINT,TITLE,DATE,AUTH,READLINE,READ,SORT,DESTROY};
static pdb_t dao (int cmd, FILE *f, pdb_t db, sort sortby);
static char *time2str (time_t *time);
@ -32,7 +31,8 @@ sort_by(title);
static sort by_date;
/* main */
int main (int argc, char **argv) {
char buf[100], *commands[]={"-c", "-p", "-t", "-d", "-a", NULL};
char buf[100];
const char *commands[]={"-c", "-p", "-t", "-d", "-a", NULL};
db_t db;
db.next=NULL;
pdb_t dblist;
@ -153,7 +153,7 @@ static pdb_t dao (int cmd, FILE *f, pdb_t in_db, sort sortby) {
pdb[i]=in_db;
in_db=in_db->next;
}
qsort (pdb,i,sizeof in_db,(compfn)sortby);
qsort (pdb,i,sizeof in_db,sortby);
pdb[i-1]->next=NULL;
for (;i;i--) {
pdb[i-1]->next=pdb[i];