tar: Don't crash when get{pw,gr}uid fails
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parent
73115682ed
commit
453ce96d44
4
tar.c
4
tar.c
@ -177,8 +177,8 @@ archive(const char* path)
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putoctal(h->mtime, (unsigned)st.st_mtime, sizeof h->mtime);
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putoctal(h->mtime, (unsigned)st.st_mtime, sizeof h->mtime);
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memcpy(h->magic, "ustar", sizeof h->magic);
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memcpy(h->magic, "ustar", sizeof h->magic);
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memcpy(h->version, "00", sizeof h->version);
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memcpy(h->version, "00", sizeof h->version);
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snprintf(h->uname, sizeof h->uname, "%s", pw->pw_name);
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snprintf(h->uname, sizeof h->uname, "%s", pw ? pw->pw_name : "");
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snprintf(h->gname, sizeof h->gname, "%s", gr->gr_name);
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snprintf(h->gname, sizeof h->gname, "%s", gr ? gr->gr_name : "");
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mode = st.st_mode;
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mode = st.st_mode;
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if(S_ISREG(mode)) {
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if(S_ISREG(mode)) {
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