DeforaOS/utils
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Fixed logical errors when closing opened files

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This commit is contained in:
Pierre Pronchery 2006-10-27 10:37:17 +00:00
parent f67ab1912a
commit 653f354b82
1 changed files with 9 additions and 9 deletions
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18
src/uniq.c
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@ -30,18 +30,19 @@ static int _uniq(int opts, char const * fields, unsigned int skip,
int ret;
if(in != NULL && (infp = fopen(in, "r")) == NULL)
return _uniq_error(in, 2);
return _uniq_error(in, 1);
if(out != NULL && (outfp = fopen(out, "w")) == NULL)
{
fclose(infp);
return _uniq_error(out, 2);
return _uniq_error(out, 1);
}
ret = _uniq_do(opts, fields, skip, infp, outfp);
if(in == NULL)
if(in != NULL)
{
fclose(infp);
if(out == NULL)
fclose(outfp);
if(fclose(infp) != 0)
ret = _uniq_error(in, 1);
if(out != NULL && fclose(outfp) != 0)
return _uniq_error(out, 1);
}
return ret;
}
@ -67,8 +68,7 @@ static int _uniq_do(int opts, char const * fields, unsigned int skip,
if((p = realloc(line, len + BUF + 1)) == NULL)
{
free(line);
_uniq_error("malloc", 0);
return 2;
return _uniq_error("malloc", 1);
}
line = p;
if(fgets(&line[len], BUF + 1, infp) == NULL)
@ -190,5 +190,5 @@ int main(int argc, char * argv[])
else if(argc - optind > 2)
return _usage();
}
return _uniq(opts, fields, skip, in, out);
return _uniq(opts, fields, skip, in, out) == 0 ? 0 : 2;
}