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author | Mystery Man <unknown@mandriva.org> | 2003-08-20 07:37:27 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2003-08-20 07:37:27 +0000 |
commit | 7f2ac73888b8ef372ea597049981b27e7d810ac2 (patch) | |
tree | 354132889b63bbe5f446cb82869b3c3367135a80 /mdk-stage1/dietlibc/libcruft/getgrent_r.c | |
parent | 327bd24f8e4291bd1882de1990dd7339f781a9cb (diff) | |
download | drakx-topic/MDKC_1_0.tar drakx-topic/MDKC_1_0.tar.gz drakx-topic/MDKC_1_0.tar.bz2 drakx-topic/MDKC_1_0.tar.xz drakx-topic/MDKC_1_0.zip |
This commit was manufactured by cvs2svn to create branch 'MDKC_1_0'.topic/MDKC_1_0
Diffstat (limited to 'mdk-stage1/dietlibc/libcruft/getgrent_r.c')
-rw-r--r-- | mdk-stage1/dietlibc/libcruft/getgrent_r.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libcruft/getgrent_r.c b/mdk-stage1/dietlibc/libcruft/getgrent_r.c new file mode 100644 index 000000000..34ec1e957 --- /dev/null +++ b/mdk-stage1/dietlibc/libcruft/getgrent_r.c @@ -0,0 +1,78 @@ +#include <grp.h> +#include <sys/types.h> +#include <sys/mman.h> +#include <paths.h> +#include <string.h> +#include "parselib.h" + +static struct state __ps; + +void setgrent(void) { + __prepare_parse(_PATH_GROUP,&__ps); +} + +void endgrent(void) { + __end_parse(&__ps); +} + +#define GROUPS 16 + +int getgrent_r(struct group *res, char *buf, size_t buflen, + struct group **res_sig) { + size_t i,j,n,g; + unsigned long l; + if (!__ps.buffirst) setgrent(); + if (!__ps.buffirst) goto error; + if (__ps.cur>=__ps.buflen) goto error; + res->gr_mem=(char**)buf; +again: + n=GROUPS*sizeof(char*); g=0; + for (i=0; i<4; ++i) { + char sep=i<3?':':','; + char found; + j=__parse_1(&__ps,sep); + if ((found=__ps.buffirst[__ps.cur+j])!=sep) { + if (found!='\n' || i!=3) { +parseerror: + while (__ps.cur+j<__ps.buflen) { + if (__ps.buffirst[__ps.cur+j]=='\n') { + __ps.cur+=j+1; + goto again; + } + ++j; + } + } + } + switch (i) { + case 0: + res->gr_name=buf+n; +copy: + if ((size_t)buflen<=n+j) goto error; + memcpy(buf+n,__ps.buffirst+__ps.cur,j); + buf[n+j]=0; + n+=j+1; + if (found=='\n' && i==2) i=3; + break; + case 1: res->gr_passwd=buf+n; goto copy; + case 2: + if (scan_ulong(__ps.buffirst+__ps.cur,&l)!=j) goto parseerror; + res->gr_gid=l; + break; + case 3: + res->gr_mem[g]=buf+n; + ++g; + if (g==(GROUPS-1)) break; + --i; /* again */ + goto copy; + } + __ps.cur+=j+1; + } + res->gr_mem[g]=0; + *res_sig=res; + return 0; +error: + *res_sig=0;/* the glibc people should be taken behind the barn and shot */ + return -1; +} + +/* uucp:x:14:uucp,root */ |