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make compressed help code NOMMU- and NOFORK-friendly -

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no forking anymore, bunzip2 unpack routine now does all it in memory.
This commit is contained in:
Denis Vlasenko
2007-04-10 21:40:19 +00:00
parent 335b63d8d1
commit c6758a07c6
11 changed files with 138 additions and 174 deletions
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5
include/libbb.h
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@@ -403,9 +403,10 @@ extern char *xasprintf(const char *format, ...) __attribute__ ((format (printf,
/* dmalloc will redefine these to it's own implementation. It is safe
* to have the prototypes here unconditionally. */
extern void *malloc_or_warn(size_t size);
extern void *xmalloc(size_t size);
extern void *xrealloc(void *old, size_t size);
extern void *xzalloc(size_t size);
extern void *xrealloc(void *old, size_t size);
extern ssize_t safe_read(int fd, void *buf, size_t count);
extern ssize_t full_read(int fd, void *buf, size_t count);
@@ -862,7 +863,7 @@ void md5_begin(md5_ctx_t *ctx);
void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
void *md5_end(void *resbuf, md5_ctx_t *ctx);
uint32_t *crc32_filltable(int endian);
uint32_t *crc32_filltable(uint32_t *tbl256, int endian);
enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */

5
include/unarchive.h
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@@ -102,6 +102,11 @@ extern const llist_t *find_list_entry(const llist_t *list, const char *filename)
extern const llist_t *find_list_entry2(const llist_t *list, const char *filename);
extern USE_DESKTOP(long long) int uncompressStream(int src_fd, int dst_fd);
/* A bit of bunzip2 internals are exposed for compressed help support: */
typedef struct bunzip_data bunzip_data;
int start_bunzip(bunzip_data **bdp, int in_fd, const unsigned char *inbuf, int len);
int read_bunzip(bunzip_data *bd, char *outbuf, int len);
void dealloc_bunzip(bunzip_data *bd);
typedef struct inflate_unzip_result {
off_t bytes_out;