From: Maxim Mamontov Date: Tue, 22 Sep 2015 19:50:38 +0000 (+0300) Subject: Added functions to convert strings into uids/gids/modes. X-Git-Url: https://git.stg.codes/stg.git/commitdiff_plain/ba979553b6c71b733d294ca7b3f461c9080e7f72?ds=sidebyside Added functions to convert strings into uids/gids/modes. --- diff --git a/stglibs/common.lib/common.cpp b/stglibs/common.lib/common.cpp index 22ec354b..90493e9f 100644 --- a/stglibs/common.lib/common.cpp +++ b/stglibs/common.lib/common.cpp @@ -32,7 +32,8 @@ // Like FreeBSD4 #include #include -#include +#include +#include #include @@ -1074,3 +1075,37 @@ std::string ToPrintable(const std::string & src) return dest; } + +uid_t str2uid(const std::string& name) +{ + const passwd* res = getpwnam(name.c_str()); + if (res == NULL) + return -1; + return res->pw_uid; +} + +gid_t str2gid(const std::string& name) +{ + const group* res = getgrnam(name.c_str()); + if (res == NULL) + return -1; + return res->gr_gid; +} + +mode_t str2mode(const std::string& name) +{ + if (name.length() < 3 || name.length() > 4) + return -1; + + if (name.length() == 4 && name[0] != '0') + return -1; + + mode_t res = 0; + for (size_t i = 0; i < name.length(); ++i) + { + if (name[i] > '7' || name[i] < '0') + return -1; + res = (res << 3) + (name[i] - '0'); + } + return res; +} diff --git a/stglibs/common.lib/include/stg/common.h b/stglibs/common.lib/include/stg/common.h index f46c922a..e90ad75a 100644 --- a/stglibs/common.lib/include/stg/common.h +++ b/stglibs/common.lib/include/stg/common.h @@ -27,16 +27,15 @@ #ifndef common_h #define common_h -#ifdef __BORLANDC__ -#include -#else -#include -#endif +#include "stg/os_int.h" +#include "stg/const.h" + #include #include +#include -#include "stg/os_int.h" -#include "stg/const.h" +#include // uid_t, gid_t +#include // mode_t #define STAT_TIME_3 (1) #define STAT_TIME_2 (2) @@ -299,4 +298,8 @@ const std::string & unsigned2str(varT x, std::string & s) char * stg_strptime(const char *, const char *, struct tm *); time_t stg_timegm(struct tm *); +uid_t str2uid(const std::string& name); +gid_t str2gid(const std::string& name); +mode_t str2mode(const std::string& mode); + #endif