Remove unnecessary files in dependencies
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| /* gzlib.c -- zlib functions common to reading and writing gzip files | ||
| * Copyright (C) 2004-2017 Mark Adler | ||
| * For conditions of distribution and use, see copyright notice in zlib.h | ||
| */ | ||
| #include "gzguts.h" | ||
| #if defined(_WIN32) && !defined(__BORLANDC__) && !defined(__MINGW32__) | ||
| # define LSEEK _lseeki64 | ||
| #else | ||
| #if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0 | ||
| # define LSEEK lseek64 | ||
| #else | ||
| # define LSEEK lseek | ||
| #endif | ||
| #endif | ||
| /* Local functions */ | ||
| local void gz_reset OF((gz_statep)); | ||
| local gzFile gz_open OF((const void *, int, const char *)); | ||
| #if defined UNDER_CE | ||
| /* Map the Windows error number in ERROR to a locale-dependent error message | ||
| string and return a pointer to it. Typically, the values for ERROR come | ||
| from GetLastError. | ||
| The string pointed to shall not be modified by the application, but may be | ||
| overwritten by a subsequent call to gz_strwinerror | ||
| The gz_strwinerror function does not change the current setting of | ||
| GetLastError. */ | ||
| char ZLIB_INTERNAL *gz_strwinerror (error) | ||
| DWORD error; | ||
| { | ||
| static char buf[1024]; | ||
| wchar_t *msgbuf; | ||
| DWORD lasterr = GetLastError(); | ||
| DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | ||
| | FORMAT_MESSAGE_ALLOCATE_BUFFER, | ||
| NULL, | ||
| error, | ||
| 0, /* Default language */ | ||
| (LPVOID)&msgbuf, | ||
| 0, | ||
| NULL); | ||
| if (chars != 0) { | ||
| /* If there is an \r\n appended, zap it. */ | ||
| if (chars >= 2 | ||
| && msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') { | ||
| chars -= 2; | ||
| msgbuf[chars] = 0; | ||
| } | ||
| if (chars > sizeof (buf) - 1) { | ||
| chars = sizeof (buf) - 1; | ||
| msgbuf[chars] = 0; | ||
| } | ||
| wcstombs(buf, msgbuf, chars + 1); | ||
| LocalFree(msgbuf); | ||
| } | ||
| else { | ||
| sprintf(buf, "unknown win32 error (%ld)", error); | ||
| } | ||
| SetLastError(lasterr); | ||
| return buf; | ||
| } | ||
| #endif /* UNDER_CE */ | ||
| /* Reset gzip file state */ | ||
| local void gz_reset(state) | ||
| gz_statep state; | ||
| { | ||
| state->x.have = 0; /* no output data available */ | ||
| if (state->mode == GZ_READ) { /* for reading ... */ | ||
| state->eof = 0; /* not at end of file */ | ||
| state->past = 0; /* have not read past end yet */ | ||
| state->how = LOOK; /* look for gzip header */ | ||
| } | ||
| state->seek = 0; /* no seek request pending */ | ||
| gz_error(state, Z_OK, NULL); /* clear error */ | ||
| state->x.pos = 0; /* no uncompressed data yet */ | ||
| state->strm.avail_in = 0; /* no input data yet */ | ||
| } | ||
| /* Open a gzip file either by name or file descriptor. */ | ||
| local gzFile gz_open(path, fd, mode) | ||
| const void *path; | ||
| int fd; | ||
| const char *mode; | ||
| { | ||
| gz_statep state; | ||
| z_size_t len; | ||
| int oflag; | ||
| #ifdef O_CLOEXEC | ||
| int cloexec = 0; | ||
| #endif | ||
| #ifdef O_EXCL | ||
| int exclusive = 0; | ||
| #endif | ||
| /* check input */ | ||
| if (path == NULL) | ||
| return NULL; | ||
| /* allocate gzFile structure to return */ | ||
| state = (gz_statep)malloc(sizeof(gz_state)); | ||
| if (state == NULL) | ||
| return NULL; | ||
| state->size = 0; /* no buffers allocated yet */ | ||
| state->want = GZBUFSIZE; /* requested buffer size */ | ||
| state->msg = NULL; /* no error message yet */ | ||
| /* interpret mode */ | ||
| state->mode = GZ_NONE; | ||
| state->level = Z_DEFAULT_COMPRESSION; | ||
| state->strategy = Z_DEFAULT_STRATEGY; | ||
| state->direct = 0; | ||
| while (*mode) { | ||
| if (*mode >= '0' && *mode <= '9') | ||
| state->level = *mode - '0'; | ||
| else | ||
| switch (*mode) { | ||
| case 'r': | ||
| state->mode = GZ_READ; | ||
| break; | ||
| #ifndef NO_GZCOMPRESS | ||
| case 'w': | ||
| state->mode = GZ_WRITE; | ||
| break; | ||
| case 'a': | ||
| state->mode = GZ_APPEND; | ||
| break; | ||
| #endif | ||
| case '+': /* can't read and write at the same time */ | ||
| free(state); | ||
| return NULL; | ||
| case 'b': /* ignore -- will request binary anyway */ | ||
| break; | ||
| #ifdef O_CLOEXEC | ||
| case 'e': | ||
| cloexec = 1; | ||
| </ |