X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9624b8642670a3bd79b90e1c2c0ebbc5bf1b635b..7842418b7b87c4c78ad8ad06fec44150c8aa0956:/exclude.c diff --git a/exclude.c b/exclude.c index 10f246e0..0d703369 100644 --- a/exclude.c +++ b/exclude.c @@ -38,13 +38,13 @@ extern char curr_dir[]; extern unsigned int curr_dir_len; extern unsigned int module_dirlen; -struct exclude_list_struct exclude_list = { 0, 0, "" }; -struct exclude_list_struct server_exclude_list = { 0, 0, "server " }; +struct filter_list_struct filter_list = { 0, 0, "" }; +struct filter_list_struct server_filter_list = { 0, 0, "server " }; /* Need room enough for ":MODS " prefix plus some room to grow. */ -#define MAX_EXCLUDE_PREFIX (16) +#define MAX_RULE_PREFIX (16) -/* The dirbuf is set by push_local_excludes() to the current subdirectory +/* The dirbuf is set by push_local_filters() to the current subdirectory * relative to curr_dir that is being processed. The path always has a * trailing slash appended, and the variable dirbuf_len contains the length * of this path prefix. The path is always absolute. */ @@ -58,11 +58,11 @@ static BOOL parent_dirscan = False; /* This array contains a list of all the currently active per-dir merge * files. This makes it easier to save the appropriate values when we * "push" down into each subdirectory. */ -static struct exclude_struct **mergelist_parents; +static struct filter_struct **mergelist_parents; static int mergelist_cnt = 0; static int mergelist_size = 0; -/* Each exclude_list_struct describes a singly-linked list by keeping track +/* Each filter_list_struct describes a singly-linked list by keeping track * of both the head and tail pointers. The list is slightly unusual in that * a parent-dir's content can be appended to the end of the local list in a * special way: the last item in the local list has its "next" pointer set @@ -89,11 +89,11 @@ static int mergelist_size = 0; * because it is shared between the current list and our parent list(s). * The easiest way to handle this is to simply truncate the list after the * tail item and then free the local list from the head. When inheriting - * the list for a new local dir, we just save off the exclude_list_struct + * the list for a new local dir, we just save off the filter_list_struct * values (so we can pop back to them later) and set the tail to NULL. */ -static void free_exclude(struct exclude_struct *ex) +static void free_filter(struct filter_struct *ex) { if (ex->match_flags & MATCHFLG_PERDIR_MERGE) { free(ex->u.mergelist->debug_type); @@ -104,26 +104,26 @@ static void free_exclude(struct exclude_struct *ex) free(ex); } -/* Build an exclude structure given an exclude pattern. The value in "pat" +/* Build a filter structure given a filter pattern. The value in "pat" * is not null-terminated. */ -static void make_exclude(struct exclude_list_struct *listp, const char *pat, - unsigned int pat_len, unsigned int mflags) +static void make_filter(struct filter_list_struct *listp, const char *pat, + unsigned int pat_len, unsigned int mflags) { - struct exclude_struct *ret; + struct filter_struct *ret; const char *cp; unsigned int ex_len; if (verbose > 2) { - rprintf(FINFO, "[%s] make_exclude(%.*s, %s%s)\n", + rprintf(FINFO, "[%s] make_filter(%.*s, %s%s)\n", who_am_i(), (int)pat_len, pat, mflags & MATCHFLG_PERDIR_MERGE ? "per-dir-merge" : mflags & MATCHFLG_INCLUDE ? "include" : "exclude", listp->debug_type); } - ret = new(struct exclude_struct); + ret = new(struct filter_struct); if (!ret) - out_of_memory("make_exclude"); + out_of_memory("make_filter"); memset(ret, 0, sizeof ret[0]); @@ -137,7 +137,7 @@ static void make_exclude(struct exclude_list_struct *listp, const char *pat, ex_len = 0; ret->pattern = new_array(char, ex_len + pat_len + 1); if (!ret->pattern) - out_of_memory("make_exclude"); + out_of_memory("make_filter"); if (ex_len) memcpy(ret->pattern, dirbuf + module_dirlen, ex_len); strlcpy(ret->pattern + ex_len, pat, pat_len + 1); @@ -159,7 +159,7 @@ static void make_exclude(struct exclude_list_struct *listp, const char *pat, } if (mflags & MATCHFLG_PERDIR_MERGE) { - struct exclude_list_struct *lp; + struct filter_list_struct *lp; unsigned int len; int i; @@ -171,7 +171,7 @@ static void make_exclude(struct exclude_list_struct *listp, const char *pat, /* If the local merge file was already mentioned, don't * add it again. */ for (i = 0; i < mergelist_cnt; i++) { - struct exclude_struct *ex = mergelist_parents[i]; + struct filter_struct *ex = mergelist_parents[i]; const char *s = strrchr(ex->pattern, '/'); if (s) s++; @@ -180,25 +180,25 @@ static void make_exclude(struct exclude_list_struct *listp, const char *pat, len = strlen(s); if (len == pat_len - (cp - ret->pattern) && memcmp(s, cp, len) == 0) { - free_exclude(ret); + free_filter(ret); return; } } - if (!(lp = new_array(struct exclude_list_struct, 1))) - out_of_memory("make_exclude"); + if (!(lp = new_array(struct filter_list_struct, 1))) + out_of_memory("make_filter"); lp->head = lp->tail = NULL; if (asprintf(&lp->debug_type, " (per-dir %s)", cp) < 0) - out_of_memory("make_exclude"); + out_of_memory("make_filter"); ret->u.mergelist = lp; if (mergelist_cnt == mergelist_size) { mergelist_size += 5; mergelist_parents = realloc_array(mergelist_parents, - struct exclude_struct *, + struct filter_struct *, mergelist_size); if (!mergelist_parents) - out_of_memory("make_exclude"); + out_of_memory("make_filter"); } mergelist_parents[mergelist_cnt++] = ret; } else { @@ -218,16 +218,16 @@ static void make_exclude(struct exclude_list_struct *listp, const char *pat, } } -static void clear_exclude_list(struct exclude_list_struct *listp) +static void clear_filter_list(struct filter_list_struct *listp) { if (listp->tail) { - struct exclude_struct *ent, *next; + struct filter_struct *ent, *next; /* Truncate any inherited items from the local list. */ listp->tail->next = NULL; /* Now free everything that is left. */ for (ent = listp->head; ent; ent = next) { next = ent->next; - free_exclude(ent); + free_filter(ent); } } @@ -299,7 +299,7 @@ static char *parse_merge_name(const char *merge_file, unsigned int *len_ptr, } /* Sets the dirbuf and dirbuf_len values. */ -void set_excludes_dir(const char *dir, unsigned int dirlen) +void set_filter_dir(const char *dir, unsigned int dirlen) { unsigned int len; if (*dir != '/') { @@ -328,8 +328,8 @@ void set_excludes_dir(const char *dir, unsigned int dirlen) * parent directory of the first transfer dir. If it does, we scan all the * dirs from that point through the parent dir of the transfer dir looking * for the per-dir merge-file in each one. */ -static BOOL setup_merge_file(struct exclude_struct *ex, - struct exclude_list_struct *lp, int flags) +static BOOL setup_merge_file(struct filter_struct *ex, + struct filter_list_struct *lp, int flags) { char buf[MAXPATHLEN]; char *x, *y, *pat = ex->pattern; @@ -365,7 +365,7 @@ static BOOL setup_merge_file(struct exclude_struct *ex, *y = '\0'; dirbuf_len = y - dirbuf; strlcpy(x, ex->pattern, MAXPATHLEN - (x - buf)); - add_exclude_file(lp, buf, flags | XFLG_ABS_PATH); + add_filter_file(lp, buf, flags | XFLG_ABS_PATH); if (ex->match_flags & MATCHFLG_NO_INHERIT) lp->head = NULL; lp->tail = NULL; @@ -381,34 +381,34 @@ static BOOL setup_merge_file(struct exclude_struct *ex, * handle all the per-dir merge-files. The "dir" value is the current path * relative to curr_dir (which might not be null-terminated). We copy it * into dirbuf so that we can easily append a file name on the end. */ -void *push_local_excludes(const char *dir, unsigned int dirlen) +void *push_local_filters(const char *dir, unsigned int dirlen) { - struct exclude_list_struct *ap, *push; + struct filter_list_struct *ap, *push; int i; - set_excludes_dir(dir, dirlen); + set_filter_dir(dir, dirlen); if (!mergelist_cnt) return NULL; - push = new_array(struct exclude_list_struct, mergelist_cnt); + push = new_array(struct filter_list_struct, mergelist_cnt); if (!push) - out_of_memory("push_local_excludes"); + out_of_memory("push_local_filters"); for (i = 0, ap = push; i < mergelist_cnt; i++) { memcpy(ap++, mergelist_parents[i]->u.mergelist, - sizeof (struct exclude_list_struct)); + sizeof (struct filter_list_struct)); } - /* Note: add_exclude_file() might increase mergelist_cnt, so keep + /* Note: add_filter_file() might increase mergelist_cnt, so keep * this loop separate from the above loop. */ for (i = 0; i < mergelist_cnt; i++) { - struct exclude_struct *ex = mergelist_parents[i]; - struct exclude_list_struct *lp = ex->u.mergelist; + struct filter_struct *ex = mergelist_parents[i]; + struct filter_list_struct *lp = ex->u.mergelist; int flags = 0; if (verbose > 2) { - rprintf(FINFO, "[%s] pushing exclude list%s\n", + rprintf(FINFO, "[%s] pushing filter list%s\n", who_am_i(), lp->debug_type); } @@ -427,16 +427,16 @@ void *push_local_excludes(const char *dir, unsigned int dirlen) if (ex->match_flags & MATCHFLG_FINISH_SETUP) { ex->match_flags &= ~MATCHFLG_FINISH_SETUP; if (setup_merge_file(ex, lp, flags)) - set_excludes_dir(dir, dirlen); + set_filter_dir(dir, dirlen); } if (strlcpy(dirbuf + dirbuf_len, ex->pattern, MAXPATHLEN - dirbuf_len) < MAXPATHLEN - dirbuf_len) - add_exclude_file(lp, dirbuf, flags | XFLG_ABS_PATH); + add_filter_file(lp, dirbuf, flags | XFLG_ABS_PATH); else { io_error |= IOERR_GENERAL; rprintf(FINFO, - "cannot add local excludes in long-named directory %s\n", + "cannot add local filter rules in long-named directory: %s\n", full_fname(dirbuf)); } dirbuf[dirbuf_len] = '\0'; @@ -445,21 +445,21 @@ void *push_local_excludes(const char *dir, unsigned int dirlen) return (void*)push; } -void pop_local_excludes(void *mem) +void pop_local_filters(void *mem) { - struct exclude_list_struct *ap, *pop = (struct exclude_list_struct*)mem; + struct filter_list_struct *ap, *pop = (struct filter_list_struct*)mem; int i; for (i = mergelist_cnt; i-- > 0; ) { - struct exclude_struct *ex = mergelist_parents[i]; - struct exclude_list_struct *lp = ex->u.mergelist; + struct filter_struct *ex = mergelist_parents[i]; + struct filter_list_struct *lp = ex->u.mergelist; if (verbose > 2) { - rprintf(FINFO, "[%s] popping exclude list%s\n", + rprintf(FINFO, "[%s] popping filter list%s\n", who_am_i(), lp->debug_type); } - clear_exclude_list(lp); + clear_filter_list(lp); } if (!pop) @@ -467,14 +467,13 @@ void pop_local_excludes(void *mem) for (i = 0, ap = pop; i < mergelist_cnt; i++) { memcpy(mergelist_parents[i]->u.mergelist, ap++, - sizeof (struct exclude_list_struct)); + sizeof (struct filter_list_struct)); } free(pop); } -static int check_one_exclude(char *name, struct exclude_struct *ex, - int name_is_dir) +static int rule_matches(char *name, struct filter_struct *ex, int name_is_dir) { char *p, full_name[MAXPATHLEN]; int match_start = 0; @@ -555,12 +554,12 @@ static int check_one_exclude(char *name, struct exclude_struct *ex, } -static void report_exclude_result(char const *name, - struct exclude_struct const *ent, - int name_is_dir, const char *type) +static void report_filter_result(char const *name, + struct filter_struct const *ent, + int name_is_dir, const char *type) { /* If a trailing slash is present to match only directories, - * then it is stripped out by make_exclude. So as a special + * then it is stripped out by make_filter. So as a special * case we add it back in here. */ if (verbose >= 2) { @@ -577,20 +576,20 @@ static void report_exclude_result(char const *name, * Return -1 if file "name" is defined to be excluded by the specified * exclude list, 1 if it is included, and 0 if it was not matched. */ -int check_exclude(struct exclude_list_struct *listp, char *name, int name_is_dir) +int check_filter(struct filter_list_struct *listp, char *name, int name_is_dir) { - struct exclude_struct *ent; + struct filter_struct *ent; for (ent = listp->head; ent; ent = ent->next) { if (ent->match_flags & MATCHFLG_PERDIR_MERGE) { - int rc = check_exclude(ent->u.mergelist, name, - name_is_dir); + int rc = check_filter(ent->u.mergelist, name, + name_is_dir); if (rc) return rc; continue; } - if (check_one_exclude(name, ent, name_is_dir)) { - report_exclude_result(name, ent, name_is_dir, + if (rule_matches(name, ent, name_is_dir)) { + report_filter_result(name, ent, name_is_dir, listp->debug_type); return ent->match_flags & MATCHFLG_INCLUDE ? 1 : -1; } @@ -608,8 +607,8 @@ int check_exclude(struct exclude_list_struct *listp, char *name, int name_is_dir * +/- prefixes for overriding the include/exclude mode. The *flag_ptr * value will also be set to the MATCHFLG_* bits for the current token. */ -static const char *get_exclude_tok(const char *p, int xflags, - unsigned int *len_ptr, unsigned int *flag_ptr) +static const char *get_filter_tok(const char *p, int xflags, + unsigned int *len_ptr, unsigned int *flag_ptr) { const unsigned char *s = (const unsigned char *)p; unsigned int len, mflags = 0; @@ -734,8 +733,8 @@ static const char *get_exclude_tok(const char *p, int xflags, } -void add_exclude(struct exclude_list_struct *listp, const char *pattern, - int xflags) +void add_filter(struct filter_list_struct *listp, const char *pattern, + int xflags) { unsigned int pat_len, mflags; const char *cp, *p; @@ -745,11 +744,11 @@ void add_exclude(struct exclude_list_struct *listp, const char *pattern, while (1) { /* Remember that the returned string is NOT '\0' terminated! */ - cp = get_exclude_tok(pattern, xflags, &pat_len, &mflags); + cp = get_filter_tok(pattern, xflags, &pat_len, &mflags); if (!cp) break; if (pat_len >= MAXPATHLEN) { - rprintf(FERROR, "discarding over-long exclude: %s\n", + rprintf(FERROR, "discarding over-long filter: %s\n", cp); continue; } @@ -758,10 +757,10 @@ void add_exclude(struct exclude_list_struct *listp, const char *pattern, if (mflags & MATCHFLG_CLEAR_LIST) { if (verbose > 2) { rprintf(FINFO, - "[%s] clearing exclude list%s\n", + "[%s] clearing filter list%s\n", who_am_i(), listp->debug_type); } - clear_exclude_list(listp); + clear_filter_list(listp); continue; } @@ -778,7 +777,7 @@ void add_exclude(struct exclude_list_struct *listp, const char *pattern, len -= ++name - cp; else name = cp; - make_exclude(listp, name, len, 0); + make_filter(listp, name, len, 0); mflags &= ~MATCHFLG_EXCLUDE_SELF; len = pat_len; } @@ -786,7 +785,7 @@ void add_exclude(struct exclude_list_struct *listp, const char *pattern, if (parent_dirscan) { if (!(p = parse_merge_name(cp, &len, module_dirlen))) continue; - make_exclude(listp, p, len, mflags); + make_filter(listp, p, len, mflags); continue; } } else { @@ -797,21 +796,21 @@ void add_exclude(struct exclude_list_struct *listp, const char *pattern, flgs |= XFLG_DEF_INCLUDE; else if (mflags & MATCHFLG_NO_PREFIXES) flgs |= XFLG_DEF_EXCLUDE; - add_exclude_file(listp, p, flgs); + add_filter_file(listp, p, flgs); continue; } } - make_exclude(listp, cp, pat_len, mflags); + make_filter(listp, cp, pat_len, mflags); } } -void add_exclude_file(struct exclude_list_struct *listp, const char *fname, - int xflags) +void add_filter_file(struct filter_list_struct *listp, const char *fname, + int xflags) { FILE *fp; - char line[MAXPATHLEN+MAX_EXCLUDE_PREFIX+1]; /* +1 for trailing slash. */ + char line[MAXPATHLEN+MAX_RULE_PREFIX+1]; /* +1 for trailing slash. */ char *eob = line + sizeof line - 1; int word_split = xflags & XFLG_WORD_SPLIT; @@ -835,7 +834,7 @@ void add_exclude_file(struct exclude_list_struct *listp, const char *fname, dirbuf[dirbuf_len] = '\0'; if (verbose > 2) { - rprintf(FINFO, "[%s] add_exclude_file(%s,%d)\n", + rprintf(FINFO, "[%s] add_filter_file(%s,%d)\n", who_am_i(), safe_fname(fname), xflags); } @@ -858,13 +857,13 @@ void add_exclude_file(struct exclude_list_struct *listp, const char *fname, overflow = 1; } if (overflow) { - rprintf(FERROR, "discarding over-long exclude: %s...\n", line); + rprintf(FERROR, "discarding over-long filter: %s...\n", line); s = line; } *s = '\0'; /* Skip an empty token and (when line parsing) comments. */ if (*line && (word_split || (*line != ';' && *line != '#'))) - add_exclude(listp, line, xflags); + add_filter(listp, line, xflags); if (ch == EOF) break; } @@ -872,18 +871,18 @@ void add_exclude_file(struct exclude_list_struct *listp, const char *fname, } -void send_exclude_list(int f) +void send_filter_list(int f) { - struct exclude_struct *ent; + struct filter_struct *ent; /* This is a complete hack - blame Rusty. FIXME! * Remove this hack when older rsyncs (below 2.6.4) are gone. */ if (list_only == 1 && !recurse) - add_exclude(&exclude_list, "/*/*", XFLG_DEF_EXCLUDE); + add_filter(&filter_list, "/*/*", XFLG_DEF_EXCLUDE); - for (ent = exclude_list.head; ent; ent = ent->next) { + for (ent = filter_list.head; ent; ent = ent->next) { unsigned int l; - char p[MAXPATHLEN+MAX_EXCLUDE_PREFIX+1]; + char p[MAXPATHLEN+MAX_RULE_PREFIX+1]; l = strlcpy(p, ent->pattern, sizeof p); if (l == 0 || l >= MAXPATHLEN) @@ -894,7 +893,7 @@ void send_exclude_list(int f) } if (ent->match_flags & MATCHFLG_PERDIR_MERGE) { - char buf[MAX_EXCLUDE_PREFIX], *op = buf; + char buf[MAX_RULE_PREFIX], *op = buf; if (protocol_version < 29) { rprintf(FERROR, "remote rsync is too old to understand per-directory merge files.\n"); @@ -914,8 +913,8 @@ void send_exclude_list(int f) *op++ = '-'; } *op++ = ' '; - if (op - buf > MAX_EXCLUDE_PREFIX) - overflow("send_exclude_list"); + if (op - buf > MAX_RULE_PREFIX) + overflow("send_filter_list"); write_int(f, l + (op - buf)); write_buf(f, buf, op - buf); } else if (ent->match_flags & MATCHFLG_INCLUDE) { @@ -934,17 +933,17 @@ void send_exclude_list(int f) } -void recv_exclude_list(int f) +void recv_filter_list(int f) { - char line[MAXPATHLEN+MAX_EXCLUDE_PREFIX+1]; /* +1 for trailing slash. */ + char line[MAXPATHLEN+MAX_RULE_PREFIX+1]; /* +1 for trailing slash. */ unsigned int xflags = protocol_version >= 29 ? 0 : XFLG_DEF_EXCLUDE; unsigned int l; while ((l = read_int(f)) != 0) { if (l >= sizeof line) - overflow("recv_exclude_list"); + overflow("recv_filter_list"); read_sbuf(f, line, l); - add_exclude(&exclude_list, line, xflags); + add_filter(&filter_list, line, xflags); } } @@ -966,13 +965,13 @@ void add_cvs_excludes(void) char fname[MAXPATHLEN]; char *p; - add_exclude(&exclude_list, ":C", 0); - add_exclude(&exclude_list, default_cvsignore, cvs_flags); + add_filter(&filter_list, ":C", 0); + add_filter(&filter_list, default_cvsignore, cvs_flags); if ((p = getenv("HOME")) && pathjoin(fname, sizeof fname, p, ".cvsignore") < sizeof fname) { - add_exclude_file(&exclude_list, fname, cvs_flags); + add_filter_file(&filter_list, fname, cvs_flags); } - add_exclude(&exclude_list, getenv("CVSIGNORE"), cvs_flags); + add_filter(&filter_list, getenv("CVSIGNORE"), cvs_flags); }