Last change
on this file was 444, checked in by coas-nagasima, 4 years ago |
muslのソースコードを追加
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Property svn:eol-style
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native
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Property svn:mime-type
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File size:
1.2 KB
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1 | #include "pwf.h"
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2 | #include <pthread.h>
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3 |
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4 | static unsigned atou(char **s)
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5 | {
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6 | unsigned x;
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7 | for (x=0; **s-'0'<10U; ++*s) x=10*x+(**s-'0');
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8 | return x;
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9 | }
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10 |
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11 | int __getgrent_a(FILE *f, struct group *gr, char **line, size_t *size, char ***mem, size_t *nmem, struct group **res)
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12 | {
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13 | ssize_t l;
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14 | char *s, *mems;
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15 | size_t i;
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16 | int rv = 0;
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17 | int cs;
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18 | pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
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19 | for (;;) {
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20 | if ((l=getline(line, size, f)) < 0) {
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21 | rv = ferror(f) ? errno : 0;
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22 | free(*line);
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23 | *line = 0;
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24 | gr = 0;
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25 | goto end;
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26 | }
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27 | line[0][l-1] = 0;
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28 |
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29 | s = line[0];
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30 | gr->gr_name = s++;
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31 | if (!(s = strchr(s, ':'))) continue;
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32 |
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33 | *s++ = 0; gr->gr_passwd = s;
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34 | if (!(s = strchr(s, ':'))) continue;
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35 |
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36 | *s++ = 0; gr->gr_gid = atou(&s);
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37 | if (*s != ':') continue;
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38 |
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39 | *s++ = 0; mems = s;
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40 | break;
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41 | }
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42 |
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43 | for (*nmem=!!*s; *s; s++)
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44 | if (*s==',') ++*nmem;
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45 | free(*mem);
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46 | *mem = calloc(sizeof(char *), *nmem+1);
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47 | if (!*mem) {
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48 | rv = errno;
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49 | free(*line);
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50 | *line = 0;
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51 | gr = 0;
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52 | goto end;
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53 | }
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54 | if (*mems) {
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55 | mem[0][0] = mems;
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56 | for (s=mems, i=0; *s; s++)
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57 | if (*s==',') *s++ = 0, mem[0][++i] = s;
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58 | mem[0][++i] = 0;
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59 | } else {
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60 | mem[0][0] = 0;
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61 | }
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62 | gr->gr_mem = *mem;
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63 | end:
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64 | pthread_setcancelstate(cs, 0);
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65 | *res = gr;
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66 | if(rv) errno = rv;
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67 | return rv;
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68 | }
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