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fast replace if src outside

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This commit is contained in:
"Vladimir N. Oleynik" 2005-10-07 15:36:26 +00:00
parent 0b42a6a8cf
commit 6c0642d772
1 changed files with 21 additions and 29 deletions
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46
scripts/bb_mkdep.c
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@ -1,5 +1,5 @@
/*
* Another fast dependencies generator for Makefiles, Version 2.4
* Another fast dependencies generator for Makefiles, Version 2.5
*
* Copyright (C) 2005 by Vladimir Oleynik <dzo@simtreas.ru>
* mmaping file may be originally by Linus Torvalds.
@ -97,7 +97,11 @@ static void parse_conf_opt(const char *opt, const char *val,
static char first_chars[257]; /* + L_EOF */
static char isalnums[257]; /* + L_EOF */
/* trick for fast find "define", "include", "undef" */
static char first_chars_diu[256];
static char first_chars_diu[256] = {
[(int)'d'] = (char)5, /* strlen("define") - 1; */
[(int)'i'] = (char)6, /* strlen("include") - 1; */
[(int)'u'] = (char)4, /* strlen("undef") - 1; */
};
static int pagesizem1;
static size_t mema_id = 128; /* first allocated for id */
@ -136,7 +140,6 @@ static char *id_s;
id[id_len++] = c; } while(0)
/* stupid C lexical analyser */
static void c_lex(const char *fname, long fsize)
{
@ -605,14 +608,19 @@ static void parse_conf_opt(const char *opt, const char *val,
}
}
static int show_dep(int first, bb_key_t *k, const char *name)
static char *pwd;
static int show_dep(int first, bb_key_t *k, const char *name, const char *f)
{
bb_key_t *cur;
for(cur = k; cur; cur = cur->next) {
if(cur->checked) {
if(first) {
if(f == NULL)
printf("\n%s:", name);
else
printf("\n%s/%s:", pwd, name);
first = 0;
} else {
printf(" \\\n ");
@ -624,8 +632,7 @@ static int show_dep(int first, bb_key_t *k, const char *name)
return first;
}
static char *pwd;
static char *replace;
static size_t replace;
static struct stat st_kp;
static int dontgenerate_dep;
@ -673,23 +680,17 @@ parse_chd(const char *fe, const char *p, size_t dirlen)
if(*e == 'c') {
/* *.c -> *.o */
*e = 'o';
if(replace) {
/* /src_dir/path/file.o to path/file.o */
e = fp + strlen(replace);
while(*e == '/')
e++;
/* path/file.o to pwd/path/file.o */
e = fp = bb_asprint("%s/%s", pwd, e);
}
fp += replace;
if(*fp == '/')
fp++;
} else {
e = NULL;
}
first = show_dep(1, Ifound, fp);
first = show_dep(first, key_top, fp);
first = show_dep(1, Ifound, fp, e);
first = show_dep(first, key_top, fp, e);
if(first == 0)
putchar('\n');
if(replace && e)
free(e);
}
return NULL;
} else if(S_ISDIR(st.st_mode)) {
@ -726,10 +727,7 @@ static void scan_dir_find_ch_files(const char *p)
size_t dirlen;
dirs = llist_add_to(NULL, bb_simplify_path(p));
if(strcmp(dirs->data, pwd))
replace = bb_xstrdup(dirs->data);
else
replace = NULL;
replace = strlen(dirs->data);
/* emulate recursive */
while(dirs) {
d_add = NULL;
@ -755,8 +753,6 @@ static void scan_dir_find_ch_files(const char *p)
}
dirs = d_add;
}
free(replace);
replace = NULL;
}
@ -832,10 +828,6 @@ int main(int argc, char **argv)
first_chars[i] = ANY;
}
first_chars[i] = '-'; /* L_EOF */
/* trick for fast find "define", "include", "undef" */
first_chars_diu[(int)'d'] = (char)5; /* strlen("define") - 1; */
first_chars_diu[(int)'i'] = (char)6; /* strlen("include") - 1; */
first_chars_diu[(int)'u'] = (char)4; /* strlen("undef") - 1; */
/* parse configs */
for(fl = configs; fl; fl = fl->link) {