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update-game-score.c (SCORE_FILE_PREFIX): Don't hardcode.

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(get_user_id): Take struct passwd as an argument.
(get_home_dir): New function.
(main): Read in user information here.  Discover home directory if
necessary.
(read_score): Trim newline only in `getline' case.
This commit is contained in:
Colin Walters 2002-04-07 05:46:15 +00:00
parent 596d02bc1b
commit 5795b42089
2 changed files with 46 additions and 9 deletions
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9
lib-src/ChangeLog
View file

@ -1,3 +1,12 @@
2002-04-07 Colin Walters <walters@verbum.org>
* update-game-score.c (SCORE_FILE_PREFIX): Don't hardcode.
(get_user_id): Take struct passwd as an argument.
(get_home_dir): New function.
(main): Read in user information here. Discover home directory if
necessary.
(read_score): Trim newline only in `getline' case.
2002-04-05 Colin Walters <walters@debian.org>
* update-game-score.c (toplevel): Include pwd.h.

46
lib-src/update-game-score.c
View file

@ -40,7 +40,12 @@ Boston, MA 02111-1307, USA. */
#include <config.h>
#define MAX_ATTEMPTS 5
#define SCORE_FILE_PREFIX "/var/games/emacs/"
#ifdef HAVE_SHARED_GAME_DIR
#define SCORE_FILE_PREFIX HAVE_SHARED_GAME_DIR
#else
#define SCORE_FILE_PREFIX "$HOME"
#endif
int
usage(int err)
@ -78,10 +83,9 @@ write_scores(const char *filename, const struct score_entry *scores,
int count);
char *
get_user_id()
get_user_id(struct passwd *buf)
{
char *name;
struct passwd *buf = getpwuid(getuid());
if (!buf)
{
int count = 1;
@ -95,16 +99,25 @@ get_user_id()
return buf->pw_name;
}
char *
get_home_dir(struct passwd *buf)
{
if (!buf)
return NULL;
return buf->pw_dir;
}
int
main(int argc, char **argv)
{
int c;
void *lockstate;
char *scorefile;
char *scorefile, *prefix;
struct stat buf;
struct score_entry *scores;
int newscore, scorecount, reverse = 0, max = -1;
char *newdata;
struct passwd *passwdbuf;
srand(time(0));
@ -126,14 +139,29 @@ main(int argc, char **argv)
if (optind+3 != argc)
usage(1);
scorefile = malloc(strlen(SCORE_FILE_PREFIX) + strlen(argv[optind]) + 1);
passwdbuf = getpwuid(getuid());
if (!strcmp(SCORE_FILE_PREFIX, "$HOME"))
{
prefix = get_home_dir(passwdbuf);
if (!prefix)
{
fprintf(stderr, "Unable to determine home directory\n");
exit(1);
}
}
else
prefix = SCORE_FILE_PREFIX;
scorefile = malloc(strlen(prefix) + strlen(argv[optind]) + 1);
if (!scorefile)
{
fprintf(stderr, "Couldn't create score file name: %s\n",
strerror(errno));
goto fail;
}
strcpy(scorefile, SCORE_FILE_PREFIX);
strcpy(scorefile, prefix);
strcat(scorefile, argv[optind]);
newscore = atoi(argv[optind+1]);
newdata = argv[optind+2];
@ -156,7 +184,7 @@ main(int argc, char **argv)
scorefile, strerror(errno));
goto fail_unlock;
}
push_score(&scores, &scorecount, newscore, get_user_id(), newdata);
push_score(&scores, &scorecount, newscore, get_user_id(passwdbuf), newdata);
sort_scores(scores, scorecount, reverse);
if (write_scores(scorefile, scores, scorecount) < 0)
{
@ -229,6 +257,7 @@ read_score(FILE *f, struct score_entry *score)
int len;
if (getline(&score->data, &len, f) < 0)
return -1;
score->data[strlen(score->data)-1] = '\0';
}
#else
{
@ -249,10 +278,9 @@ read_score(FILE *f, struct score_entry *score)
cur++;
}
score->data = buf;
score->data[cur] = '\0';
}
#endif
/* Trim the newline */
score->data[strlen(score->data)-1] = '\0';
return 0;
}