55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
#include "pwf.h"
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#include <pthread.h>
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static unsigned atou(char **s)
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{
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unsigned x;
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for (x=0; **s-'0'<10U; ++*s) x=10*x+(**s-'0');
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return x;
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}
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int __getpwent_a(FILE *f, struct passwd *pw, char **line, size_t *size, struct passwd **res)
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{
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ssize_t l;
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char *s;
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int rv = 0;
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int cs;
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
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for (;;) {
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if ((l=getline(line, size, f)) < 0) {
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rv = ferror(f) ? errno : 0;
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free(*line);
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*line = 0;
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pw = 0;
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break;
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}
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line[0][l-1] = 0;
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s = line[0];
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pw->pw_name = s++;
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if (!(s = strchr(s, ':'))) continue;
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*s++ = 0; pw->pw_passwd = s;
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if (!(s = strchr(s, ':'))) continue;
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*s++ = 0; pw->pw_uid = atou(&s);
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if (*s != ':') continue;
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*s++ = 0; pw->pw_gid = atou(&s);
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if (*s != ':') continue;
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*s++ = 0; pw->pw_gecos = s;
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if (!(s = strchr(s, ':'))) continue;
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*s++ = 0; pw->pw_dir = s;
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if (!(s = strchr(s, ':'))) continue;
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*s++ = 0; pw->pw_shell = s;
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break;
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}
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pthread_setcancelstate(cs, 0);
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*res = pw;
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if (rv) errno = rv;
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return rv;
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}
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