diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 176 |
1 files changed, 166 insertions, 10 deletions
@@ -6,7 +6,7 @@ $Date$ created at: Wed Jan 5 09:51:01 JST 1994 - Copyright (C) 1993-1999 Yukihiro Matsumoto + Copyright (C) 1993-2000 Yukihiro Matsumoto ************************************************/ @@ -47,12 +47,6 @@ # endif #endif -#ifdef HAVE_FNMATCH_H -#include <fnmatch.h> -#else -#include "missing/fnmatch.h" -#endif - #include <errno.h> #ifdef USE_CWGUSI # include <sys/errno.h> @@ -66,6 +60,167 @@ char *getenv(); char *strchr _((char*,char)); #endif +#include <ctype.h> + +#define FNM_NOESCAPE 0x01 +#define FNM_PATHNAME 0x02 +#define FNM_PERIOD 0x04 +#define FNM_NOCASE 0x08 + +#define FNM_NOMATCH 1 +#define FNM_ERROR 2 + +#define downcase(c) (nocase && isupper(c) ? tolower(c) : (c)) + +#if defined DOSISH +#define isdirsep(c) ((c) == '/' || (c) == '\\') +static char * +find_dirsep(s) + char *s; +{ + while (*s) { + if (isdirsep(*s)) + return s; + s++; + } + return 0; +} +#else +#define isdirsep(c) ((c) == '/') +#define find_dirsep(s) strchr(s, '/') +#endif + +static char * +range(pat, test, flags) + char *pat; + char test; + int flags; +{ + int not, ok = 0; + int nocase = flags & FNM_NOCASE; + int escape = !(flags & FNM_NOESCAPE); + + not = *pat == '!' || *pat == '^'; + if (not) + pat++; + + test = downcase(test); + + while (*pat) { + int cstart, cend; + cstart = cend = *pat++; + if (cstart == ']') + return ok == not ? 0 : pat; + else if (escape && cstart == '\\') + cstart = cend = *pat++; + if (*pat == '-' && pat[1] != ']') { + if (escape && pat[1] == '\\') + pat++; + cend = pat[1]; + if (!cend) + return 0; + pat += 2; + } + if (downcase(cstart) <= test && test <= downcase(cend)) + ok = 1; + } + return 0; +} + +#define PERIOD(s) (period && *(s) == '.' && \ + ((s) == string || pathname && isdirsep(*(s)))) +static int +fnmatch(pat, string, flags) + char *pat; + char *string; + int flags; +{ + int c; + int test; + char *s = string; + int escape = !(flags & FNM_NOESCAPE); + int pathname = flags & FNM_PATHNAME; + int period = flags & FNM_PERIOD; + int nocase = flags & FNM_NOCASE; + + while (c = *pat++) { + switch (c) { + case '?': + if (!*s || pathname && isdirsep(*s) || PERIOD(s)) + return FNM_NOMATCH; + s++; + break; + case '*': + while ((c = *pat++) == '*') + ; + + if (PERIOD(s)) + return FNM_NOMATCH; + + if (!c) { + if (pathname && find_dirsep(s)) + return FNM_NOMATCH; + else + return 0; + } + else if (pathname && isdirsep(c)) { + s = find_dirsep(s); + if (s) + break; + return FNM_NOMATCH; + } + + test = escape && c == '\\' ? *pat : c; + test = downcase(test); + pat--; + while (*s) { + if ((c == '[' || downcase(*s) == test) && + !fnmatch(pat, s, flags & ~FNM_PERIOD)) + return 0; + else if (pathname && isdirsep(*s)) + break; + s++; + } + return FNM_NOMATCH; + + case '[': + if (!*s || pathname && isdirsep(*s) || PERIOD(s)) + return FNM_NOMATCH; + pat = range(pat, *s, flags); + if (!pat) + return FNM_NOMATCH; + s++; + break; + + case '\\': + if (escape +#if defined DOSISH + && *pat && strchr("*?[\\", *pat) +#endif + ) { + c = *pat; + if (!c) + c = '\\'; + else + pat++; + } + /* FALLTHROUGH */ + + default: +#if defined DOSISH + if (pathname && isdirsep(c) && isdirsep(*s)) + ; + else +#endif + if(downcase(c) != downcase(*s)) + return FNM_NOMATCH; + s++; + break; + } + } + return !*s ? 0 : FNM_NOMATCH; +} + VALUE rb_cDir; static void @@ -355,7 +510,7 @@ extract_path(p, pend) len = pend - p; alloc = ALLOC_N(char, len+1); memcpy(alloc, p, len); - if (len > 0 && pend[-1] == '/') { + if (len > 1 && pend[-1] == '/') { alloc[len-1] = 0; } else { @@ -421,11 +576,12 @@ glob(path, func, arg) break; } magic = extract_elem(p); +#define BASE (*base && !(*base == '/' && !base[1])) + for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) { if (fnmatch(magic, dp->d_name, FNM_PERIOD|FNM_PATHNAME) == 0) { char *fix = ALLOC_N(char, strlen(base)+NAMLEN(dp)+2); - - sprintf(fix, "%s%s%s", base, (*base)?"/":"", dp->d_name); + sprintf(fix, "%s%s%s", base, (BASE)?"/":"", dp->d_name); if (!m) { (*func)(fix, arg); free(fix); |