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| author | Jim Meyering <jim@meyering.net> | 1999-01-01 19:29:31 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1999-01-01 19:29:31 +0000 |
| commit | b5c28b70971ff4d5eb29edacd5fa77dd571c4e4a (patch) | |
| tree | 58946461f0c5d47df8bbf963dbaff77168fd6b70 /src/tsort.c | |
| parent | 06adce5358683f5973c7fab180ef7026deb03072 (diff) | |
| download | coreutils-b5c28b70971ff4d5eb29edacd5fa77dd571c4e4a.tar.xz | |
Rename globals N and R so they don't shadow locals.
(tsort): Rename from `sort'.
Diffstat (limited to 'src/tsort.c')
| -rw-r--r-- | src/tsort.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/tsort.c b/src/tsort.c index 90d6963a1..ebcdbb1b7 100644 --- a/src/tsort.c +++ b/src/tsort.c @@ -63,10 +63,10 @@ static int have_read_stdin; static struct item *head; /* A scratch variable. */ -static struct item *r = NULL; +static struct item *rr = NULL; /* The number of strings to sort. */ -static int n = 0; +static int n_strings = 0; static struct option const long_options[] = { @@ -284,7 +284,7 @@ record_relation (struct item *j, struct item *k) static void count_items (struct item *k) { - n++; + n_strings++; } static void @@ -292,12 +292,12 @@ scan_zeros (struct item *k) { if (k->count == 0) { - if (r == NULL) + if (rr == NULL) head = k; else - r->qlink = k; + rr->qlink = k; - r = k; + rr = k; } } @@ -428,9 +428,10 @@ getstr (char **lineptr, int *n, FILE *stream) return read_pos - *lineptr; } +/* FIXME: describe */ static void -sort (const char *file) +tsort (const char *file) { struct item *root; struct item *j = NULL; @@ -487,7 +488,7 @@ sort (const char *file) /* T5. Output front of queue. */ printf ("%s\n", head->str); - n--; + n_strings--; /* T6. Erase relations. */ while (p) @@ -495,8 +496,8 @@ sort (const char *file) p->suc->count--; if (p->suc->count == 0) { - r->qlink = p->suc; - r = p->suc; + rr->qlink = p->suc; + rr = p->suc; } p = p->next; @@ -507,8 +508,8 @@ sort (const char *file) } /* T8. End of process. */ - assert (n >= 0); - if (n > 0) + assert (n_strings >= 0); + if (n_strings > 0) { if (have_read_stdin) fprintf (stderr, _("%s: input contains a loop:\n"), program_name); @@ -555,9 +556,9 @@ main (int argc, char **argv) } if (optind < argc) - sort (argv[optind]); + tsort (argv[optind]); else - sort ("-"); + tsort ("-"); if (fclose (stdout) == EOF) error (EXIT_FAILURE, errno, _("write error")); |