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#include "pwf.h"
struct group *__getgrent_a(FILE *f, struct group *gr, char **line, size_t *size, char ***mem, size_t *nmem)
{
ssize_t l;
char *s, *mems;
size_t i;
for (;;) {
if ((l=getline(line, size, f)) < 0) {
free(*line);
*line = 0;
return 0;
}
line[0][l-1] = 0;
s = line[0];
gr->gr_name = s++;
if (!(s = strchr(s, ':'))) continue;
*s++ = 0; gr->gr_passwd = s;
if (!(s = strchr(s, ':'))) continue;
*s++ = 0; gr->gr_gid = atoi(s);
if (!(s = strchr(s, ':'))) continue;
*s++ = 0; mems = s;
break;
}
for (*nmem=!!*s; *s; s++)
if (*s==',') ++*nmem;
free(*mem);
*mem = calloc(sizeof(char *), *nmem+1);
if (!*mem) {
free(*line);
*line = 0;
return 0;
}
if (*mems) {
mem[0][0] = mems;
for (s=mems, i=0; *s; s++)
if (*s==',') *s++ = 0, mem[0][++i] = s;
mem[0][++i] = 0;
} else {
mem[0][0] = 0;
}
gr->gr_mem = *mem;
return gr;
}
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