diff options
Diffstat (limited to 'sim/igen/filter.c')
| -rw-r--r-- | sim/igen/filter.c | 153 |
1 files changed, 75 insertions, 78 deletions
diff --git a/sim/igen/filter.c b/sim/igen/filter.c index a5bfef3..ef74fc0 100644 --- a/sim/igen/filter.c +++ b/sim/igen/filter.c @@ -38,15 +38,15 @@ #include "lf.h" #include "filter.h" -struct _filter { +struct _filter +{ char *member; filter *next; }; void -filter_parse (filter **filters, - const char *filt) +filter_parse (filter **filters, const char *filt) { while (strlen (filt) > 0) { @@ -54,7 +54,7 @@ filter_parse (filter **filters, filter **last; /* break out a member of the filter list */ const char *flag = filt; - unsigned /*size_t*/ len; + unsigned /*size_t */ len; filt = strchr (filt, ','); if (filt == NULL) { @@ -68,13 +68,12 @@ filter_parse (filter **filters, } /* find an insertion point - sorted order */ last = filters; - while (*last != NULL - && strncmp (flag, (*last)->member, len) > 0) + while (*last != NULL && strncmp (flag, (*last)->member, len) > 0) last = &(*last)->next; if (*last != NULL && strncmp (flag, (*last)->member, len) == 0 && strlen ((*last)->member) == len) - continue; /* duplicate */ + continue; /* duplicate */ /* create an entry for that member */ new_filter = ZALLOC (filter); new_filter->member = NZALLOC (char, len + 1); @@ -87,14 +86,13 @@ filter_parse (filter **filters, void -filter_add (filter **set, - filter *add) +filter_add (filter **set, filter *add) { while (add != NULL) { int cmp; if (*set == NULL) - cmp = 1; /* set->member > add->member */ + cmp = 1; /* set->member > add->member */ else cmp = strcmp ((*set)->member, add->member); if (cmp > 0) @@ -112,7 +110,7 @@ filter_add (filter **set, /* already in set */ add = add->next; } - else /* cmp < 0 */ + else /* cmp < 0 */ { /* not reached insertion point */ set = &(*set)->next; @@ -122,8 +120,7 @@ filter_add (filter **set, int -filter_is_subset (filter *superset, - filter *subset) +filter_is_subset (filter *superset, filter *subset) { while (1) { @@ -131,21 +128,20 @@ filter_is_subset (filter *superset, if (subset == NULL) return 1; if (superset == NULL) - return 0; /* subset isn't finished */ + return 0; /* subset isn't finished */ cmp = strcmp (subset->member, superset->member); if (cmp < 0) - return 0; /* not found */ + return 0; /* not found */ else if (cmp == 0) - subset = subset->next; /* found */ + subset = subset->next; /* found */ else if (cmp > 0) - superset = superset->next; /* later in list? */ + superset = superset->next; /* later in list? */ } } int -filter_is_common (filter *l, - filter *r) +filter_is_common (filter *l, filter *r) { while (1) { @@ -158,7 +154,7 @@ filter_is_common (filter *l, if (cmp < 0) l = l->next; else if (cmp == 0) - return 1; /* common member */ + return 1; /* common member */ else if (cmp > 0) r = r->next; } @@ -166,8 +162,7 @@ filter_is_common (filter *l, int -filter_is_member (filter *filt, - const char *flag) +filter_is_member (filter *filt, const char *flag) { int index = 1; while (filt != NULL) @@ -182,68 +177,72 @@ filter_is_member (filter *filt, int -is_filtered_out (filter *filters, - const char *flags) +is_filtered_out (filter *filters, const char *flags) { - while (strlen(flags) > 0) { - int present; - filter *filt = filters; - /* break the string up */ - char *end = strchr(flags, ','); - char *next; - unsigned /*size_t*/ len; - if (end == NULL) { - end = strchr(flags, '\0'); - next = end; - } - else { - next = end + 1; - } - len = end - flags; - /* check that it is present */ - present = 0; - filt = filters; - while (filt != NULL) { - if (strncmp(flags, filt->member, len) == 0 - && strlen(filt->member) == len) { - present = 1; - break; - } - filt = filt->next; + while (strlen (flags) > 0) + { + int present; + filter *filt = filters; + /* break the string up */ + char *end = strchr (flags, ','); + char *next; + unsigned /*size_t */ len; + if (end == NULL) + { + end = strchr (flags, '\0'); + next = end; + } + else + { + next = end + 1; + } + len = end - flags; + /* check that it is present */ + present = 0; + filt = filters; + while (filt != NULL) + { + if (strncmp (flags, filt->member, len) == 0 + && strlen (filt->member) == len) + { + present = 1; + break; + } + filt = filt->next; + } + if (!present) + return 1; + flags = next; } - if (!present) - return 1; - flags = next; - } return 0; } #if 0 int -it_is (const char *flag, - const char *flags) +it_is (const char *flag, const char *flags) { - int flag_len = strlen(flag); - while (*flags != '\0') { - if (!strncmp(flags, flag, flag_len) - && (flags[flag_len] == ',' || flags[flag_len] == '\0')) - return 1; - while (*flags != ',') { - if (*flags == '\0') - return 0; + int flag_len = strlen (flag); + while (*flags != '\0') + { + if (!strncmp (flags, flag, flag_len) + && (flags[flag_len] == ',' || flags[flag_len] == '\0')) + return 1; + while (*flags != ',') + { + if (*flags == '\0') + return 0; + flags++; + } flags++; } - flags++; - } return 0; } #endif char * -filter_next (filter *set, - char *member) +filter_next (filter *set, char *member) { while (set != NULL) { @@ -256,10 +255,7 @@ filter_next (filter *set, void -dump_filter (lf *file, - char *prefix, - filter *set, - char *suffix) +dump_filter (lf *file, char *prefix, filter *set, char *suffix) { char *member; lf_printf (file, "%s", prefix); @@ -281,20 +277,21 @@ dump_filter (lf *file, #ifdef MAIN int -main(int argc, char **argv) +main (int argc, char **argv) { filter *subset = NULL; filter *superset = NULL; lf *l; int i; - if (argc < 2) { - printf("Usage: filter <subset> <filter> ...\n"); - exit (1); - } + if (argc < 2) + { + printf ("Usage: filter <subset> <filter> ...\n"); + exit (1); + } /* load the filter up */ filter_parse (&subset, argv[1]); - for (i = 2; i < argc; i++) + for (i = 2; i < argc; i++) filter_parse (&superset, argv[i]); /* dump various info */ @@ -352,7 +349,7 @@ main(int argc, char **argv) dump_filter (l, "{", superset, " }"); lf_printf (l, "\n"); } - + return 0; } #endif |