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author | Laurent Bercot <ska-skaware@skarnet.org> | 2015-03-01 13:56:46 +0000 |
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committer | Laurent Bercot <ska-skaware@skarnet.org> | 2015-03-01 13:56:46 +0000 |
commit | 3d4285c7580f3fda1c66fa9ab3c0463d9edb6449 (patch) | |
tree | ba248bef99aa2564078d3dc1d290946ae5ee57e9 /src | |
parent | fe1f70d5f729e331facf481ec45cc1c64e095d85 (diff) | |
download | s6-portable-utils-3d4285c7580f3fda1c66fa9ab3c0463d9edb6449.tar.gz s6-portable-utils-3d4285c7580f3fda1c66fa9ab3c0463d9edb6449.tar.xz s6-portable-utils-3d4285c7580f3fda1c66fa9ab3c0463d9edb6449.zip |
- New command: dumpenv
- Version: 2.0.3.0 rc
Diffstat (limited to 'src')
-rw-r--r-- | src/skaembutils/deps-exe/s6-dumpenv | 1 | ||||
-rw-r--r-- | src/skaembutils/s6-dumpenv.c | 63 |
2 files changed, 64 insertions, 0 deletions
diff --git a/src/skaembutils/deps-exe/s6-dumpenv b/src/skaembutils/deps-exe/s6-dumpenv new file mode 100644 index 0000000..e7187fe --- /dev/null +++ b/src/skaembutils/deps-exe/s6-dumpenv @@ -0,0 +1 @@ +-lskarnet diff --git a/src/skaembutils/s6-dumpenv.c b/src/skaembutils/s6-dumpenv.c new file mode 100644 index 0000000..4bed6c8 --- /dev/null +++ b/src/skaembutils/s6-dumpenv.c @@ -0,0 +1,63 @@ +/* ISC license. */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> +#include <skalibs/uint.h> +#include <skalibs/bytestr.h> +#include <skalibs/sgetopt.h> +#include <skalibs/strerr2.h> +#include <skalibs/djbunix.h> + +#define USAGE "s6-dumpenv [ -m mode ] envdir" +#define dieusage() strerr_dieusage(100, USAGE) + +int main (int argc, char const *const *argv, char const *const *envp) +{ + mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH ; + unsigned int dirlen ; + + PROG = "s6-printenv" ; + { + subgetopt_t l = SUBGETOPT_ZERO ; + for (;;) + { + register int opt = subgetopt_r(argc, argv, "m:", &l) ; + if (opt == -1) break ; + switch (opt) + { + case 'm' : if (!uint0_oscan(l.arg, &mode)) dieusage() ; break ; + default : dieusage() ; + } + } + argc -= l.ind ; argv += l.ind ; + } + if (!argc) dieusage() ; + + if (mkdir(argv[0], mode) < 0) + { + struct stat st ; + if (errno != EEXIST) strerr_diefu2sys(111, "mkdir ", argv[0]) ; + if (stat(argv[0], &st) < 0) + strerr_diefu2sys(111, "stat ", argv[0]) ; + if (!S_ISDIR(st.st_mode)) + { + errno = ENOTDIR ; + strerr_diefu2sys(111, "mkdir ", argv[0]) ; + } + } + dirlen = str_len(argv[0]) ; + + for (; *envp ; envp++) + { + unsigned int varlen = str_chr(*envp, '=') ; + char fn[dirlen + varlen + 2] ; + byte_copy(fn, dirlen, argv[0]) ; + fn[dirlen] = '/' ; + byte_copy(fn + dirlen + 1, varlen, *envp) ; + fn[dirlen + 1 + varlen] = 0 ; + if (!openwritenclose_suffix(fn, *envp + varlen + 1, str_len(*envp + varlen + 1), "=.tmp")) + strerr_diefu2sys(111, "open ", fn) ; + } + return 0 ; +} |