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[cmp] add pkzip decompression support

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* Now you can install a Raspbian image without having to decompress it first ;)
This commit is contained in:
Pete Batard 2015-06-20 18:40:55 +01:00
parent 7567ddef07
commit 517a14ccb1
14 changed files with 422 additions and 21 deletions
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37
src/bled/platform.h
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@ -266,6 +266,7 @@ typedef uint64_t bb__aliased_uint64_t FIX_ALIASING;
* a lvalue. This makes it more likely to not swap them by mistake
*/
#if defined(i386) || defined(__x86_64__) || defined(__powerpc__)
# define BB_UNALIGNED_MEMACCESS_OK 1
# define move_from_unaligned_int(v, intp) ((v) = *(bb__aliased_int*)(intp))
# define move_from_unaligned_long(v, longp) ((v) = *(bb__aliased_long*)(longp))
# define move_from_unaligned16(v, u16p) ((v) = *(bb__aliased_uint16_t*)(u16p))
@ -274,6 +275,7 @@ typedef uint64_t bb__aliased_uint64_t FIX_ALIASING;
# define move_to_unaligned32(u32p, v) (*(bb__aliased_uint32_t*)(u32p) = (v))
/* #elif ... - add your favorite arch today! */
#else
# define BB_UNALIGNED_MEMACCESS_OK 0
/* performs reasonably well (gcc usually inlines memcpy here) */
# define move_from_unaligned_int(v, intp) (memcpy(&(v), (intp), sizeof(int)))
# define move_from_unaligned_long(v, longp) (memcpy(&(v), (longp), sizeof(long)))
@ -411,10 +413,12 @@ typedef unsigned smalluint;
#define HAVE_DPRINTF 1
#define HAVE_MEMRCHR 1
#define HAVE_MKDTEMP 1
#define HAVE_TTYNAME_R 1
#define HAVE_PTSNAME_R 1
#define HAVE_SETBIT 1
#define HAVE_SIGHANDLER_T 1
#define HAVE_STPCPY 1
#define HAVE_MEMPCPY 1
#define HAVE_STRCASESTR 1
#define HAVE_STRCHRNUL 1
#define HAVE_STRSEP 1
@ -524,6 +528,8 @@ typedef unsigned smalluint;
#endif
#if defined(__FreeBSD__)
/* users say mempcpy is not present in FreeBSD 9.x */
# undef HAVE_MEMPCPY
# undef HAVE_CLEARENV
# undef HAVE_FDATASYNC
# undef HAVE_MNTENT_H
@ -548,9 +554,17 @@ typedef unsigned smalluint;
#endif
#if defined(ANDROID) || defined(__ANDROID__)
# undef HAVE_DPRINTF
# undef HAVE_GETLINE
# undef HAVE_STPCPY
# if __ANDROID_API__ < 8
# undef HAVE_DPRINTF
# else
# define dprintf fdprintf
# endif
# if __ANDROID_API__ < 21
# undef HAVE_TTYNAME_R
# undef HAVE_GETLINE
# undef HAVE_STPCPY
# endif
# undef HAVE_MEMPCPY
# undef HAVE_STRCHRNUL
# undef HAVE_STRVERSCMP
# undef HAVE_UNLOCKED_LINE_OPS
@ -574,6 +588,11 @@ extern void *memrchr(const void *s, int c, size_t n) FAST_FUNC;
extern char *mkdtemp(char *template) FAST_FUNC;
#endif
#ifndef HAVE_TTYNAME_R
#define ttyname_r bb_ttyname_r
extern int ttyname_r(int fd, char *buf, size_t buflen);
#endif
#ifndef HAVE_SETBIT
# define setbit(a, b) ((a)[(b) >> 3] |= 1 << ((b) & 7))
# define clrbit(a, b) ((a)[(b) >> 3] &= ~(1 << ((b) & 7)))
@ -587,6 +606,18 @@ typedef void (*sighandler_t)(int);
extern char *stpcpy(char *p, const char *to_add) FAST_FUNC;
#endif
#ifndef HAVE_MEMPCPY
#include <string.h>
/* In case we are wrong about !HAVE_MEMPCPY, and toolchain _does_ have
* mempcpy(), avoid colliding with it:
*/
#define mempcpy bb__mempcpy
static ALWAYS_INLINE void *mempcpy(void *dest, const void *src, size_t len)
{
return memcpy(dest, src, len) + len;
}
#endif
#ifndef HAVE_STRCASESTR
extern char *strcasestr(const char *s, const char *pattern) FAST_FUNC;
#endif