-rw-r--r-- | src/eyetil.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/eyetil.cc b/src/eyetil.cc index d00c2ee..2fbd687 100644 --- a/src/eyetil.cc +++ b/src/eyetil.cc @@ -1,103 +1,119 @@ #include <stdlib.h> +#include <sys/stat.h> #include <syslog.h> #include <iostream> #include <cassert> #include <stdexcept> #include <openssl/md5.h> #include "eyetil.h" binary_t& binary_t::from_hex(const std::string& h) { /* TODO: algorithmize */ std::string::size_type hs = h.length(); if(hs&1) throw std::runtime_error("odd number of characters in hexadecimal number"); int rvs = hs>>1; resize(rvs); const unsigned char *hp = (const unsigned char*)h.data(); iterator oi=begin(); char t[3] = { 0,0,0 }; for(int i=0;i<rvs;++i) { t[0]=*(hp++); t[1]=*(hp++); *(oi++) = strtol(t,0,16); } return *this; } binary_t& binary_t::from_data(const void *d,size_t s) { resize(s); std::copy((const unsigned char*)d,(const unsigned char *)d+s, begin() ); return *this; } std::string binary_t::hex() const { std::string rv; rv.reserve((size()<<1)+1); char t[3] = {0,0,0}; for(const_iterator i=begin(),ie=end();i!=ie;++i) { int rc = snprintf(t,sizeof(t),"%02x",*i); assert(rc<sizeof(t)); rv += t; } return rv; } binary_t binary_t::md5() const { binary_t rv(MD5_DIGEST_LENGTH); if(!MD5( (const unsigned char*)&(front()),size(), (unsigned char*)&(rv.front()) )) throw std::runtime_error("failed to md5()"); return rv; } +static void make_path_for_template(const std::string& p,mode_t m) { + struct stat st; + std::string pp; + for(std::string::size_type sl=p.find('/',1); + sl!=std::string::npos; + sl=p.find('/',sl+1)) { + if(stat( (pp=p.substr(0,sl)).c_str() ,&st) + || !S_ISDIR(st.st_mode)) { + if(mkdir(pp.c_str(),m)) + throw std::runtime_error("failed to mkdir()"); + } + } +} + tmpdir_t::tmpdir_t(const std::string& dt) : dir(dt) { + make_path_for_template(dt,0777); if(!mkdtemp((char*)dir.data())) throw std::runtime_error("failed to mkdtmp()"); } tmpdir_t::~tmpdir_t() { assert(!dir.empty()); if(rmdir(dir.c_str())) { syslog(LOG_WARNING,"Failed to remove '%s' directory",dir.c_str()); } } std::string tmpdir_t::get_file(const std::string& f) { std::string::size_type ls = f.rfind('/'); return dir+'/'+( (ls==std::string::npos) ? f : f.substr(ls+1) ); } tarchive_t::tarchive_t(void *p,size_t s) : a(archive_read_new()), e(0) { if(!a) throw std::runtime_error("failed to archive_read_new()"); if(archive_read_support_format_tar(a)) { archive_read_finish(a); throw std::runtime_error("failed to archive_read_support_format_tar()"); } if(archive_read_open_memory(a,p,s)) { archive_read_finish(a); throw std::runtime_error("failed to archive_read_open_memory()"); } } tarchive_t::~tarchive_t() { assert(a); archive_read_finish(a); } bool tarchive_t::read_next_header() { assert(a); return archive_read_next_header(a,&e)==ARCHIVE_OK; } std::string tarchive_t::entry_pathname() { assert(a); assert(e); return archive_entry_pathname(e); } bool tarchive_t::read_data_into_fd(int fd) { assert(a); return archive_read_data_into_fd(a,fd)==ARCHIVE_OK; } |