bb_mkdep release. speed up *3, clearing, more comments
This commit is contained in:
"Vladimir N. Oleynik"
parent
6943a9489e
commit
676e95ea3d
@ -1,2 +1 @@
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mkdep
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split-include
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bb_mkdep
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@ -1,5 +1,5 @@
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/*
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* Another dependences for Makefile mashine generator
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* Another dependences for Makefile fast mashine generator
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*
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* Copyright (C) 2005 by Vladimir Oleynik <dzo@simtreas.ru>
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*
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@ -19,6 +19,7 @@
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* -w (show warning if include files not found)
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* -k include/config (default: INCLUDE_CONFIG_PATH)
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* -c include/config.h (configs, default: INCLUDE_CONFIG_KEYS_PATH)
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* dirs_for_scan (default ".")
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*/
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#define LOCAL_INCLUDE_PATH "include"
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@ -47,9 +48,13 @@ typedef struct BB_KEYS {
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struct BB_KEYS *next;
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} bb_key_t;
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typedef struct FILE_LIST {
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char *name;
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char *ext; /* *.c or *.h, point to last char */
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long size;
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} file_list_t;
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/* partial and simplify libbb routine */
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static void bb_error_d(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
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static char * bb_asprint(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
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@ -66,15 +71,20 @@ static char *bb_simplify_path(const char *path);
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/* for lexical analyzier */
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static bb_key_t *key_top;
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static llist_t *configs;
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static void parse_inc(const char *include, const char *fname);
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static void parse_conf_opt(char *opt, const char *val, size_t rsz);
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static char first_char_conf_opts[256]; /* for speed */
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/* for speed triks */
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static char first_chars[257]; /* + L_EOF */
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#define CHECK_ONLY 0
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#define MAKE_NEW 1
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static bb_key_t *find_already(bb_key_t *k, const char *nk, int flg_save_new);
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static int pagesizem1;
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static size_t mema_id = 128; /* first allocated for id */
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static char *id_s;
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static bb_key_t *check_key(bb_key_t *k, const char *nk);
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static bb_key_t *make_new_key(bb_key_t *k, const char *nk);
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#define yy_error_d(s) bb_error_d("%s:%d hmm, %s", fname, line, s)
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@ -82,40 +92,41 @@ static bb_key_t *find_already(bb_key_t *k, const char *nk, int flg_save_new);
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#define S 0 /* start state */
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#define STR '"' /* string */
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#define CHR '\'' /* char */
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#define REM '*' /* block comment */
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#define REM '/' /* block comment */
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#define BS '\\' /* back slash */
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#define POUND '#' /* # */
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#define I 'i' /* #include preprocessor`s directive */
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#define D 'd' /* #define preprocessor`s directive */
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#define U 'u' /* #undef preprocessor`s directive */
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#define LI 'I' /* #include "... */
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#define DK 'K' /* #define KEY... (config mode) */
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#define DV 'V' /* #define KEY "... or #define KEY '... */
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#define NLC 'n' /* \+\n */
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#define ANY '?' /* skip unparsed . */
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#define DV 'V' /* #define KEY "VALUE or #define KEY 'VALUE */
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#define NLC 'n' /* \ and \n */
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#define ANY '*' /* any unparsed chars */
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#define L_EOF 256
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/* [A-Z_a-z] */
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#define ID(c) ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || c == '_')
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/* [A-Z_a-z0-9] */
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#define ISALNUM(c) (ID(c) || (c >= '0' && c <= '9'))
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#define getc1() do { c = (optr >= oend) ? EOF : *optr++; } while(0)
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#define getc1() do { c = (optr >= oend) ? L_EOF : *optr++; } while(0)
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#define ungetc1() optr--
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#define put_id(c) do { if(id_len == mema_id) \
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id = xrealloc(id, mema_id += 16); \
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#define put_id(c) do { if(id_len == local_mema_id) \
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id = xrealloc(id, local_mema_id += 16); \
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id[id_len++] = c; } while(0)
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/* stupid C lexical analizator */
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static void c_lex(const char *fname, int flg_config_include)
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static void c_lex(const char *fname, long fsize)
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{
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int c = EOF; /* stupid initialize */
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int prev_state = EOF;
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int c = L_EOF; /* stupid initialize */
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int prev_state = L_EOF;
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int called;
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int state;
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int line;
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static size_t mema_id;
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static char *id_s;
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char *id;
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char *id = id_s;
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size_t local_mema_id = mema_id;
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size_t id_len = 0; /* stupid initialize */
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char *val = NULL;
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unsigned char *optr, *oend;
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@ -124,35 +135,20 @@ static void c_lex(const char *fname, int flg_config_include)
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int fd;
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char *map;
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int mapsize;
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{
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/* stolen from mkdep by Linus Torvalds */
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int pagesizem1 = getpagesize() - 1;
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struct stat st;
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fd = open(fname, O_RDONLY);
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if(fd < 0) {
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perror(fname);
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return;
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}
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fstat(fd, &st);
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if (st.st_size == 0)
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bb_error_d("%s is empty", fname);
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mapsize = st.st_size;
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mapsize = (mapsize+pagesizem1) & ~pagesizem1;
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mapsize = (fsize+pagesizem1) & ~pagesizem1;
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map = mmap(NULL, mapsize, PROT_READ, MAP_PRIVATE, fd, 0);
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if ((long) map == -1)
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bb_error_d("%s: mmap: %m", fname);
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/* hereinafter is my */
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optr = (unsigned char *)map;
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oend = optr + st.st_size;
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}
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oend = optr + fsize;
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if(id_s == NULL) {
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/* fist allocate */
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id_s = xmalloc(mema_id=128);
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}
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id = id_s;
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line = 1;
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called = state = S;
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@ -163,10 +159,7 @@ static void c_lex(const char *fname, int flg_config_include)
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if(state == LI) {
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parse_inc(id, fname);
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} else {
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/*
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if(val[0] == '\0')
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yy_error_d("expected value");
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*/
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/* #define KEY "[VAL]" */
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parse_conf_opt(id, val, (optr - start));
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}
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state = S;
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@ -180,7 +173,7 @@ static void c_lex(const char *fname, int flg_config_include)
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while(c == ' ' || c == '\t')
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getc1();
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if(c == '\\') {
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if(c == BS) {
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getc1();
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if(c == '\n') {
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/* \\\n eat continued */
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@ -189,49 +182,50 @@ static void c_lex(const char *fname, int flg_config_include)
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continue;
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}
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ungetc1();
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c = '\\';
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c = BS;
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}
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if(state == S) {
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while(c <= ' ' && c != EOF) {
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/* <S>[\000- ]+ */
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while(first_chars[c] == ANY) {
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/* <S>unparsed */
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if(c == '\n')
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line++;
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getc1();
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}
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if(c == EOF) {
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if(c == L_EOF) {
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/* <S><<EOF>> */
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id_s = id;
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mema_id = local_mema_id;
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munmap(map, mapsize);
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close(fd);
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return;
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}
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if(c == '/') {
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if(c == REM) {
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/* <S>/ */
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getc1();
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if(c == '/') {
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getc1(); /* eat <S>/ */
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if(c == REM) {
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/* <S>"//"[^\n]* */
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do getc1(); while(c != '\n' && c != EOF);
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do getc1(); while(c != '\n' && c != L_EOF);
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} else if(c == '*') {
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/* <S>[/][*] */
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called = S;
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state = REM;
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}
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/* eat <S>/ */
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} else if(c == '#') {
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/* <S>\"|\'|# */
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} else if(c == POUND) {
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/* <S># */
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start = optr - 1;
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state = c;
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} else if(c == STR || c == CHR) {
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/* <S>\"|\'|# */
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/* <S>\"|\' */
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val = NULL;
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called = S;
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state = c;
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} else if(ISALNUM(c)) {
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} else if(c != BS) {
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/* <S>[A-Z_a-z0-9] */
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/* trick for fast drop id
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if key with this first char undefined */
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if(first_char_conf_opts[c] == 0) {
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if(first_chars[c] == 0) {
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/* skip <S>[A-Z_a-z0-9]+ */
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do getc1(); while(ISALNUM(c));
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} else {
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@ -242,11 +236,11 @@ static void c_lex(const char *fname, int flg_config_include)
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getc1();
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} while(ISALNUM(c));
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put_id(0);
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find_already(key_top, id, CHECK_ONLY);
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check_key(key_top, id);
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}
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} else {
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/* <S>. */
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prev_state = ANY;
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/* <S>\\ */
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prev_state = c;
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}
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continue;
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}
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@ -259,13 +253,13 @@ static void c_lex(const char *fname, int flg_config_include)
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if(called != S)
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yy_error_d("unexpected newline");
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line++;
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} else if(c == EOF)
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} else if(c == L_EOF)
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yy_error_d("unexpected EOF");
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getc1();
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}
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/* <REM>[*] */
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getc1();
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if(c == '/') {
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if(c == REM) {
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/* <REM>[*][/] */
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state = called;
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break;
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@ -276,14 +270,14 @@ static void c_lex(const char *fname, int flg_config_include)
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if(state == STR || state == CHR) {
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for(;;) {
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/* <STR,CHR>\n|<<EOF>> */
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if(c == '\n' || c == EOF)
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if(c == '\n' || c == L_EOF)
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yy_error_d("unterminating");
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if(c == '\\') {
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if(c == BS) {
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/* <STR,CHR>\\ */
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getc1();
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if(c != '\\' && c != '\n' && c != state) {
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if(c != BS && c != '\n' && c != state) {
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/* another usage \ in str or char */
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if(c == EOF)
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if(c == L_EOF)
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yy_error_d("unexpected EOF");
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if(val)
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put_id(c);
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@ -298,7 +292,7 @@ static void c_lex(const char *fname, int flg_config_include)
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} else if(c == state) {
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/* <STR>\" or <CHR>\' */
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if(called == DV)
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put_id(c);
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put_id(c); /* #define KEY "VALUE"<- */
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state = called;
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break;
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} else if(val)
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@ -310,12 +304,12 @@ static void c_lex(const char *fname, int flg_config_include)
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}
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/* begin preprocessor states */
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if(c == EOF)
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if(c == L_EOF)
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yy_error_d("unexpected EOF");
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if(c == '/') {
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if(c == REM) {
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/* <#.*>/ */
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getc1();
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if(c == '/')
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if(c == REM)
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yy_error_d("detect // in preprocessor line");
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if(c == '*') {
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/* <#.*>[/][*] */
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@ -326,51 +320,55 @@ static void c_lex(const char *fname, int flg_config_include)
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/* hmm, #.*[/] */
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yy_error_d("strange preprocessor line");
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}
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if(state == '#') {
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if(state == POUND) {
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if(c != 'd' && c != 'u' && c != 'i') {
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while(ISALNUM(c))
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getc1();
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state = S;
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} else {
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static const char * const preproc[] = {
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"define", "undef", "include", ""
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};
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const char * const *str_type;
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id_len = 0;
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while(ISALNUM(c)) {
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put_id(c);
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getc1();
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}
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do { put_id(c); getc1(); } while(ISALNUM(c));
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put_id(0);
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for(str_type = preproc; (state = **str_type); str_type++) {
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if(*id == state && strcmp(id, *str_type) == 0)
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break;
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}
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/* to S if another #directive */
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ungetc1();
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id_len = 0; /* common for save */
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}
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ungetc1();
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continue;
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}
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if(state == I) {
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if(c == STR) {
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/* <I>\" */
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val = id;
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state = STR;
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called = LI;
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continue;
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}
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state = STR;
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} else {
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/* another (may be wrong) #include ... */
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ungetc1();
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state = S;
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}
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continue;
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}
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if(state == D || state == U) {
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while(ISALNUM(c)) {
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if(flg_config_include) {
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/* save KEY from #"define"|"undef" ... */
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put_id(c);
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}
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if(configs == NULL) {
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/* ignore depend with #define or #undef KEY */
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while(ISALNUM(c))
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getc1();
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}
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if(!flg_config_include) {
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state = S;
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} else {
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/* save KEY from #"define"|"undef" ... */
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while(ISALNUM(c)) {
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put_id(c);
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getc1();
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}
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if(!id_len)
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yy_error_d("expected identificator");
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put_id(0);
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@ -386,7 +384,7 @@ static void c_lex(const char *fname, int flg_config_include)
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continue;
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}
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if(state == DK) {
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/* #define (config mode) */
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/* #define KEY[ ] (config mode) */
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val = id + id_len;
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if(c == STR || c == CHR) {
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/* define KEY "... or define KEY '... */
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@ -396,6 +394,7 @@ static void c_lex(const char *fname, int flg_config_include)
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continue;
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}
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while(ISALNUM(c)) {
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/* VALUE */
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put_id(c);
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getc1();
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}
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@ -410,43 +409,51 @@ static void c_lex(const char *fname, int flg_config_include)
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static void show_usage(void) __attribute__ ((noreturn));
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static void show_usage(void)
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{
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bb_error_d("Usage: [-I local_include_path] [-dw] "
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"[-k path_for_store_keys] [-s skip_file]");
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bb_error_d("Usage: [-I local_include_paths] [-dw] "
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"[-k path_for_store_keys] [-s skip_file] [dirs]");
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}
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static const char *kp;
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static size_t kp_len;
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static llist_t *Iop;
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static bb_key_t *Ifound;
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static int noiwarning;
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static llist_t *configs;
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static bb_key_t *find_already(bb_key_t *k, const char *nk, int flg_save_new)
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static bb_key_t *check_key(bb_key_t *k, const char *nk)
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{
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bb_key_t *cur;
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for(cur = k; cur; cur = cur->next) {
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if(strcmp(cur->keyname, nk) == 0) {
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cur->checked = 1;
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return NULL;
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return cur;
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}
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}
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if(flg_save_new == CHECK_ONLY)
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return NULL;
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cur = xmalloc(sizeof(bb_key_t));
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cur->keyname = bb_xstrdup(nk);
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}
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static bb_key_t *make_new_key(bb_key_t *k, const char *nk)
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{
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bb_key_t *cur;
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size_t nk_size;
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nk_size = strlen(nk) + 1;
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cur = xmalloc(sizeof(bb_key_t) + nk_size);
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cur->keyname = memcpy(cur + 1, nk, nk_size);
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cur->checked = 1;
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cur->next = k;
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return cur;
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}
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static int store_include_fullpath(char *p_i, bb_key_t *li)
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static inline char *store_include_fullpath(char *p_i, bb_key_t *li)
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{
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struct stat st;
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int ok = 0;
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char *ok;
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if(stat(p_i, &st) == 0) {
|
||||
li->stored_path = bb_simplify_path(p_i);
|
||||
ok = 1;
|
||||
ok = li->stored_path = bb_simplify_path(p_i);
|
||||
} else {
|
||||
ok = NULL;
|
||||
}
|
||||
free(p_i);
|
||||
return ok;
|
||||
@ -458,9 +465,11 @@ static void parse_inc(const char *include, const char *fname)
|
||||
char *p_i;
|
||||
llist_t *lo;
|
||||
|
||||
if((li = find_already(Ifound, include, MAKE_NEW)) == NULL)
|
||||
li = check_key(Ifound, include);
|
||||
if(li)
|
||||
return;
|
||||
Ifound = li;
|
||||
Ifound = li = make_new_key(Ifound, include);
|
||||
|
||||
if(include[0] != '/') {
|
||||
/* relative */
|
||||
int w;
|
||||
@ -490,9 +499,10 @@ static void parse_inc(const char *include, const char *fname)
|
||||
|
||||
static void parse_conf_opt(char *opt, const char *val, size_t recordsz)
|
||||
{
|
||||
bb_key_t *cur = find_already(key_top, opt, MAKE_NEW);
|
||||
bb_key_t *cur;
|
||||
|
||||
if(cur != NULL) {
|
||||
cur = check_key(key_top, opt);
|
||||
if(cur == NULL) {
|
||||
/* new key, check old key if present after previous usage */
|
||||
char *s, *p;
|
||||
struct stat st;
|
||||
@ -501,6 +511,9 @@ static void parse_conf_opt(char *opt, const char *val, size_t recordsz)
|
||||
static char *record_buf;
|
||||
static char *r_cmp;
|
||||
static size_t r_sz;
|
||||
ssize_t rw_ret;
|
||||
|
||||
cur = make_new_key(key_top, opt);
|
||||
|
||||
recordsz += 2; /* \n\0 */
|
||||
if(recordsz > r_sz) {
|
||||
@ -509,12 +522,24 @@ static void parse_conf_opt(char *opt, const char *val, size_t recordsz)
|
||||
}
|
||||
s = record_buf;
|
||||
/* may be short count " " */
|
||||
if(val)
|
||||
recordsz = sprintf(s, "#define %s%s%s\n", opt, (*val ? " " : ""), val);
|
||||
else
|
||||
if(val) {
|
||||
if(*val == '\0') {
|
||||
cur->value = "";
|
||||
recordsz = sprintf(s, "#define %s\n", opt);
|
||||
} else {
|
||||
cur->value = bb_xstrdup(val);
|
||||
recordsz = sprintf(s, "#define %s %s\n", opt, val);
|
||||
}
|
||||
} else {
|
||||
cur->value = NULL;
|
||||
recordsz = sprintf(s, "#undef %s\n", opt);
|
||||
first_char_conf_opts[((int)((unsigned char)(*opt)))] = *opt;
|
||||
/* key converting [A-Z] -> [a-z] */
|
||||
}
|
||||
/* size_t -> ssize_t :( */
|
||||
rw_ret = (ssize_t)recordsz;
|
||||
/* trick, save first char KEY for do fast identify id */
|
||||
first_chars[(int)*opt] = *opt;
|
||||
|
||||
/* key converting [A-Z_] -> [a-z/] */
|
||||
for(p = opt; *p; p++) {
|
||||
if(*p >= 'A' && *p <= 'Z')
|
||||
*p = *p - 'A' + 'a';
|
||||
@ -524,6 +549,7 @@ static void parse_conf_opt(char *opt, const char *val, size_t recordsz)
|
||||
p = bb_asprint("%s/%s.h", kp, opt);
|
||||
cur->stored_path = opt = p;
|
||||
if(stat(opt, &st)) {
|
||||
p += kp_len;
|
||||
while(*++p) {
|
||||
/* Auto-create directories. */
|
||||
if (*p == '/') {
|
||||
@ -535,9 +561,9 @@ static void parse_conf_opt(char *opt, const char *val, size_t recordsz)
|
||||
}
|
||||
} else {
|
||||
/* found */
|
||||
if(st.st_size == recordsz) {
|
||||
if(st.st_size == (off_t)recordsz) {
|
||||
fd = open(opt, O_RDONLY);
|
||||
if(fd < 0 || read(fd, r_cmp, recordsz) != recordsz)
|
||||
if(fd < 0 || read(fd, r_cmp, recordsz) < rw_ret)
|
||||
bb_error_d("%s: %m", opt);
|
||||
close(fd);
|
||||
cmp_ok = memcmp(s, r_cmp, recordsz) == 0;
|
||||
@ -545,57 +571,30 @@ static void parse_conf_opt(char *opt, const char *val, size_t recordsz)
|
||||
}
|
||||
if(!cmp_ok) {
|
||||
fd = open(opt, O_WRONLY|O_CREAT|O_TRUNC, 0644);
|
||||
if(fd < 0 || write(fd, s, recordsz) != recordsz)
|
||||
if(fd < 0 || write(fd, s, recordsz) < rw_ret)
|
||||
bb_error_d("%s: %m", opt);
|
||||
close(fd);
|
||||
}
|
||||
/* store only */
|
||||
cur->checked = 0;
|
||||
if(val) {
|
||||
if(*val == '\0') {
|
||||
cur->value = "";
|
||||
} else {
|
||||
cur->value = bb_xstrdup(val);
|
||||
}
|
||||
} else {
|
||||
cur->value = NULL;
|
||||
}
|
||||
key_top = cur;
|
||||
} else {
|
||||
/* present already */
|
||||
for(cur = key_top; cur; cur = cur->next) {
|
||||
if(strcmp(cur->keyname, opt) == 0) {
|
||||
cur->checked = 0;
|
||||
if(cur->value == NULL && val == NULL)
|
||||
return;
|
||||
if((cur->value == NULL && val != NULL) ||
|
||||
(cur->value != NULL && val == NULL) ||
|
||||
strcmp(cur->value, val))
|
||||
(cur->value != NULL && val != NULL && strcmp(cur->value, val)))
|
||||
fprintf(stderr, "Warning: redefined %s\n", opt);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
/* store only */
|
||||
cur->checked = 0;
|
||||
}
|
||||
|
||||
static int show_dep(int first, bb_key_t *k, const char *a)
|
||||
static int show_dep(int first, bb_key_t *k, const char *name)
|
||||
{
|
||||
bb_key_t *cur;
|
||||
|
||||
for(cur = k; cur; cur = cur->next) {
|
||||
if(cur->checked && cur->stored_path) {
|
||||
if(first) {
|
||||
const char *ext;
|
||||
|
||||
if(*a == '.' && a[1] == '/')
|
||||
a += 2;
|
||||
ext = strrchr(a, '.');
|
||||
if(ext && ext[1] == 'c' && ext[2] == '\0') {
|
||||
/* *.c -> *.o */
|
||||
printf("\n%.*s.o:", (ext - a), a);
|
||||
} else {
|
||||
printf("\n%s:", a);
|
||||
}
|
||||
printf("\n%s:", name);
|
||||
first = 0;
|
||||
} else {
|
||||
printf(" \\\n ");
|
||||
@ -608,50 +607,56 @@ static int show_dep(int first, bb_key_t *k, const char *a)
|
||||
}
|
||||
|
||||
static llist_t *files;
|
||||
static struct stat st_kp;
|
||||
|
||||
static llist_t *filter_chd(const char *fe, const char *p, llist_t *pdirs)
|
||||
static char *dir_and_entry;
|
||||
|
||||
static char *
|
||||
filter_chd(const char *fe, const char *p, size_t dirlen)
|
||||
{
|
||||
struct stat st;
|
||||
char *fp;
|
||||
char *afp;
|
||||
llist_t *cfl;
|
||||
static struct stat st_kp;
|
||||
file_list_t *f;
|
||||
size_t df_sz;
|
||||
static size_t dir_and_entry_sz;
|
||||
|
||||
if (*fe == '.')
|
||||
return NULL;
|
||||
fp = bb_asprint("%s/%s", p, fe);
|
||||
|
||||
df_sz = dirlen + strlen(fe) + 2; /* dir/file\0 */
|
||||
if(df_sz > dir_and_entry_sz)
|
||||
dir_and_entry = xrealloc(dir_and_entry, dir_and_entry_sz = df_sz);
|
||||
fp = dir_and_entry;
|
||||
sprintf(fp, "%s/%s", p, fe);
|
||||
|
||||
if(stat(fp, &st)) {
|
||||
fprintf(stderr, "Warning: stat(%s): %m", fp);
|
||||
free(fp);
|
||||
return NULL;
|
||||
}
|
||||
if(S_ISREG(st.st_mode)) {
|
||||
const char *e = strrchr(fe, '.');
|
||||
|
||||
if(e == NULL || !((e[1]=='c' || e[1]=='h') && e[2]=='\0')) {
|
||||
afp = fp + df_sz - 3;
|
||||
if(*afp++ != '.' || (*afp != 'c' && *afp != 'h')) {
|
||||
/* direntry is regular file, but is not *.[ch] */
|
||||
free(fp);
|
||||
return NULL;
|
||||
}
|
||||
if (st.st_size == 0) {
|
||||
fprintf(stderr, "Warning: %s is empty\n", fp);
|
||||
return NULL;
|
||||
}
|
||||
} else {
|
||||
if(st_kp.st_ino == 0) {
|
||||
/* first call */
|
||||
if(stat(kp, &st_kp))
|
||||
bb_error_d("stat(%s): %m", kp);
|
||||
if(!S_ISDIR(st_kp.st_mode))
|
||||
bb_error_d("%s is not directory", kp);
|
||||
}
|
||||
if(S_ISDIR(st.st_mode)) {
|
||||
if (st.st_dev == st_kp.st_dev && st.st_ino == st_kp.st_ino) {
|
||||
/* is autogenerated to kp/key* by previous usage */
|
||||
free(fp);
|
||||
/* drop scan kp/ directory */
|
||||
return NULL;
|
||||
}
|
||||
return llist_add_to(pdirs, fp);
|
||||
/* buff is returned, begin of zero allocate */
|
||||
dir_and_entry = NULL;
|
||||
dir_and_entry_sz = 0;
|
||||
return fp;
|
||||
}
|
||||
/* hmm, is device! */
|
||||
free(fp);
|
||||
return NULL;
|
||||
}
|
||||
afp = bb_simplify_path(fp);
|
||||
@ -659,16 +664,18 @@ static llist_t *filter_chd(const char *fe, const char *p, llist_t *pdirs)
|
||||
if(cfl->data && strcmp(cfl->data, afp) == 0) {
|
||||
/* parse configs.h */
|
||||
free(afp);
|
||||
c_lex(fp, 1);
|
||||
free(fp);
|
||||
c_lex(fp, st.st_size);
|
||||
free(cfl->data);
|
||||
cfl->data = NULL;
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
free(fp);
|
||||
/* direntry is *.[ch] regular file */
|
||||
files = llist_add_to(files, afp);
|
||||
f = xmalloc(sizeof(file_list_t));
|
||||
f->name = afp;
|
||||
f->ext = strrchr(afp, '.') + 1;
|
||||
f->size = st.st_size;
|
||||
files = llist_add_to(files, (char *)f);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
@ -679,6 +686,7 @@ static void scan_dir_find_ch_files(char *p)
|
||||
llist_t *d;
|
||||
struct dirent *de;
|
||||
DIR *dir;
|
||||
size_t dirlen;
|
||||
|
||||
dirs = llist_add_to(NULL, p);
|
||||
/* emulate recursive */
|
||||
@ -688,10 +696,12 @@ static void scan_dir_find_ch_files(char *p)
|
||||
dir = opendir(dirs->data);
|
||||
if (dir == NULL)
|
||||
fprintf(stderr, "Warning: opendir(%s): %m", dirs->data);
|
||||
dirlen = strlen(dirs->data);
|
||||
while ((de = readdir(dir)) != NULL) {
|
||||
d = filter_chd(de->d_name, dirs->data, d_add);
|
||||
if(d)
|
||||
d_add = d;
|
||||
char *found_dir = filter_chd(de->d_name, dirs->data, dirlen);
|
||||
|
||||
if(found_dir)
|
||||
d_add = llist_add_to(d_add, found_dir);
|
||||
}
|
||||
closedir(dir);
|
||||
if(dirs->data != p)
|
||||
@ -702,15 +712,10 @@ static void scan_dir_find_ch_files(char *p)
|
||||
}
|
||||
dirs = d_add;
|
||||
}
|
||||
for(d = configs; d; d = d->link) {
|
||||
if(d->data) {
|
||||
/* configs.h placed outsize of "." */
|
||||
c_lex(d->data, 1);
|
||||
free(d->data);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static char *pwd;
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int generate_dep = 1;
|
||||
@ -718,6 +723,22 @@ int main(int argc, char **argv)
|
||||
int i;
|
||||
llist_t *fl;
|
||||
|
||||
{
|
||||
/* for bb_simplify_path */
|
||||
/* libbb xgetcwd(), this program have not chdir() */
|
||||
unsigned path_max = 512;
|
||||
|
||||
s = xmalloc (path_max);
|
||||
#define PATH_INCR 32
|
||||
while (getcwd (s, path_max) == NULL) {
|
||||
if(errno != ERANGE)
|
||||
bb_error_d("getcwd: %m");
|
||||
path_max += PATH_INCR;
|
||||
s = xrealloc (s, path_max);
|
||||
}
|
||||
pwd = s;
|
||||
}
|
||||
|
||||
while ((i = getopt(argc, argv, "I:c:dk:w")) > 0) {
|
||||
switch(i) {
|
||||
case 'I':
|
||||
@ -742,9 +763,6 @@ int main(int argc, char **argv)
|
||||
show_usage();
|
||||
}
|
||||
}
|
||||
if(argc > optind)
|
||||
show_usage();
|
||||
|
||||
/* defaults */
|
||||
if(kp == NULL)
|
||||
kp = bb_simplify_path(INCLUDE_CONFIG_PATH);
|
||||
@ -754,13 +772,57 @@ int main(int argc, char **argv)
|
||||
s = bb_simplify_path(INCLUDE_CONFIG_KEYS_PATH);
|
||||
configs = llist_add_to(configs, s);
|
||||
}
|
||||
/* globals initialize */
|
||||
/* for c_lex */
|
||||
pagesizem1 = getpagesize() - 1;
|
||||
id_s = xmalloc(mema_id);
|
||||
for(i = 0; i < 256; i++) {
|
||||
/* set unparsed chars for speed up of parser */
|
||||
if(!ISALNUM(i) && i != CHR && i != STR &&
|
||||
i != POUND && i != REM && i != BS)
|
||||
first_chars[i] = ANY;
|
||||
}
|
||||
first_chars[i] = '-'; /* L_EOF */
|
||||
|
||||
kp_len = strlen(kp);
|
||||
if(stat(kp, &st_kp))
|
||||
bb_error_d("stat(%s): %m", kp);
|
||||
if(!S_ISDIR(st_kp.st_mode))
|
||||
bb_error_d("%s is not directory", kp);
|
||||
|
||||
/* main loops */
|
||||
argv += optind;
|
||||
if(*argv) {
|
||||
while(*argv)
|
||||
scan_dir_find_ch_files(*argv++);
|
||||
} else {
|
||||
scan_dir_find_ch_files(".");
|
||||
}
|
||||
|
||||
for(fl = configs; fl; fl = fl->link) {
|
||||
if(fl->data) {
|
||||
/* configs.h placed outsize of scanned dirs or not "*.ch" */
|
||||
struct stat st;
|
||||
|
||||
if(stat(fl->data, &st))
|
||||
bb_error_d("stat(%s): %m", fl->data);
|
||||
c_lex(fl->data, st.st_size);
|
||||
free(fl->data);
|
||||
}
|
||||
}
|
||||
free(configs);
|
||||
configs = NULL; /* flag read config --> parse sourses mode */
|
||||
|
||||
for(fl = files; fl; fl = fl->link) {
|
||||
c_lex(fl->data, 0);
|
||||
file_list_t *t = (file_list_t *)(fl->data);
|
||||
c_lex(t->name, t->size);
|
||||
if(generate_dep) {
|
||||
i = show_dep(1, Ifound, fl->data);
|
||||
i = show_dep(i, key_top, fl->data);
|
||||
if(t->ext[0] == 'c') {
|
||||
/* *.c -> *.o */
|
||||
t->ext[0] = 'o';
|
||||
}
|
||||
i = show_dep(1, Ifound, t->name);
|
||||
i = show_dep(i, key_top, t->name);
|
||||
if(i == 0)
|
||||
putchar('\n');
|
||||
}
|
||||
@ -768,6 +830,7 @@ int main(int argc, char **argv)
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* partial and simplify libbb routine */
|
||||
static void bb_error_d(const char *s, ...)
|
||||
{
|
||||
va_list p;
|
||||
@ -838,21 +901,7 @@ static char *bb_simplify_path(const char *path)
|
||||
if (path[0] == '/')
|
||||
start = bb_xstrdup(path);
|
||||
else {
|
||||
static char *pwd;
|
||||
|
||||
if(pwd == NULL) {
|
||||
/* is not libbb, but this program have not chdir() */
|
||||
unsigned path_max = 512;
|
||||
char *cwd = xmalloc (path_max);
|
||||
#define PATH_INCR 32
|
||||
while (getcwd (cwd, path_max) == NULL) {
|
||||
if(errno != ERANGE)
|
||||
bb_error_d("getcwd: %m");
|
||||
path_max += PATH_INCR;
|
||||
cwd = xrealloc (cwd, path_max);
|
||||
}
|
||||
pwd = cwd;
|
||||
}
|
||||
start = bb_asprint("%s/%s", pwd, path);
|
||||
}
|
||||
p = s = start;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user