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Thrown an error if file cannot be opened.

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Justin Ethier 2015-07-09 22:16:30 -04:00
parent 74b5cc11b7
commit d18cc7f23a
1 changed files with 2 additions and 0 deletions
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2
runtime.c
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@ -1063,6 +1063,7 @@ port_type Cyc_io_open_input_file(object str) {
const char *fname = ((string_type *)str)->str;
make_port(p, NULL, 1);
p.fp = fopen(fname, "r");
if (p.fp == NULL) { Cyc_rt_raise2("Unable to open file", str); }
return p;
}
@ -1070,6 +1071,7 @@ port_type Cyc_io_open_output_file(object str) {
const char *fname = ((string_type *)str)->str;
make_port(p, NULL, 0);
p.fp = fopen(fname, "w");
if (p.fp == NULL) { Cyc_rt_raise2("Unable to open file", str); }
return p;
}