diff options
Diffstat (limited to 'src/libenvexec/envdir.c')
-rw-r--r-- | src/libenvexec/envdir.c | 82 |
1 files changed, 5 insertions, 77 deletions
diff --git a/src/libenvexec/envdir.c b/src/libenvexec/envdir.c index 6992654..be8867a 100644 --- a/src/libenvexec/envdir.c +++ b/src/libenvexec/envdir.c @@ -1,85 +1,13 @@ /* ISC license. */ -#include <unistd.h> -#include <string.h> #include <errno.h> -#include <skalibs/bytestr.h> -#include <skalibs/env.h> -#include <skalibs/direntry.h> -#include <skalibs/stralloc.h> -#include <skalibs/djbunix.h> -#define MAXVARSIZE 4095 +#include <skalibs/env.h> +#include "envdir-internal.h" int envdir_internal (char const *path, stralloc *modifs, unsigned int options, char nullis) { - char buf[MAXVARSIZE + 1] ; - unsigned int n = 0 ; - size_t pathlen = strlen(path) ; - size_t modifbase = modifs->len ; - int wasnull = !modifs->s ; - DIR *dir ; - if (!nullis) return (errno = EINVAL, -1) ; - dir = opendir(path) ; - if (!dir) return -1 ; - for (;;) - { - direntry *d ; - size_t len ; - ssize_t r ; - errno = 0 ; - d = readdir(dir) ; - if (!d) break ; - if (d->d_name[0] == '.') continue ; - len = strlen(d->d_name) ; - if (str_chr(d->d_name, '=') < len) continue ; - { - char tmp[pathlen + len + 2] ; - memcpy(tmp, path, pathlen) ; - tmp[pathlen] = '/' ; - memcpy(tmp + pathlen + 1, d->d_name, len + 1) ; - r = openreadnclose(tmp, buf, MAXVARSIZE) ; - } - if (r < 0) - { - if (errno == ENOENT) errno = EIDRM ; - goto err ; - } - else if (r > 0) - { - if (options & SKALIBS_ENVDIR_VERBATIM) - { - if (!(options & SKALIBS_ENVDIR_NOCHOMP) && (buf[r-1] == '\n')) r-- ; - } - else - { - r = byte_chr(buf, r, '\n') ; - if (!(options & SKALIBS_ENVDIR_NOCHOMP)) - { - while (r--) if ((buf[r] != ' ') && (buf[r] != '\t') && (buf[r] != '\r')) break ; - r++ ; - } - } - { - size_t i = 0 ; - for (; i < (size_t)r ; i++) if (!buf[i]) buf[i] = nullis ; - } - buf[r++] = 0 ; - if (!env_addmodif(modifs, d->d_name, buf)) goto err ; - } - else if (!env_addmodif(modifs, d->d_name, 0)) goto err ; - n++ ; - } - if (errno) goto err ; - dir_close(dir) ; - return n ; - - err: - { - int e = errno ; - dir_close(dir) ; - if (wasnull) stralloc_free(modifs) ; else modifs->len = modifbase ; - errno = e ; - return -1 ; - } + return nullis ? options & SKALIBS_ENVDIR_NOCLAMP ? + envdir_internal_noclamp(path, modifs, options & ~SKALIBS_ENVDIR_NOCLAMP, nullis) : + envdir_internal_clamp(path, modifs, options, nullis) : (errno = EINVAL, -1) ; } |