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output: improve mustach template parsing error

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Following error did not inform clearly what is wrong.

$ ./dhcpd-pools -l samples/dhcpd.leases -c samples/dhcpd.conf -fm
./dhcpd-pools: must_read_template: open: (null): Bad address

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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Sami Kerola 2017-11-12 15:22:46 +00:00
parent 5a8c178924
commit a237c11d5a
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1 changed files with 2 additions and 0 deletions
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src/mustach-dhcpd-pools.c
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@ -276,6 +276,8 @@ static char *must_read_template(const char *filename)
struct stat s;
char *result;
if (filename == NULL)
error(EXIT_FAILURE, 0, "must_read_template: --mustach argument missing");
if ((f = open(filename, O_RDONLY)) < 0) {
error(EXIT_FAILURE, errno, "must_read_template: open: %s", filename);
}