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Code Issues 1 Releases Wiki Activity

Fix popen bug.

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This commit is contained in:
Calvin Rose 2019-01-08 21:42:16 -05:00
parent ff3f7487a4
commit 3ae6f64de5
1 changed files with 5 additions and 3 deletions
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8
src/core/io.c
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@ -112,16 +112,18 @@ static Janet janet_io_popen(int32_t argc, Janet *argv) {
janet_arity(argc, 1, 2); janet_arity(argc, 1, 2);
const uint8_t *fname = janet_getstring(argv, 0); const uint8_t *fname = janet_getstring(argv, 0);
const uint8_t *fmode = NULL; const uint8_t *fmode = NULL;
int flags;
if (argc == 2) { if (argc == 2) {
fmode = janet_getkeyword(argv, 1); fmode = janet_getkeyword(argv, 1);
if (janet_string_length(fmode) != 1 || if (janet_string_length(fmode) != 1 ||
!(fmode[0] == 'r' || fmode[0] == 'w')) { !(fmode[0] == 'r' || fmode[0] == 'w')) {
janet_panicf("invalid file mode :%S, expected :r or :w", fmode); janet_panicf("invalid file mode :%S, expected :r or :w", fmode);
} }
flags = IO_PIPED | (fmode[0] == 'r' ? IO_READ : IO_WRITE);
} else {
fmode = (const uint8_t *)"r";
flags = IO_PIPED | IO_READ;
} }
int flags = (fmode && fmode[0] == '2')
? IO_PIPED | IO_WRITE
: IO_PIPED | IO_READ;
#ifdef JANET_WINDOWS #ifdef JANET_WINDOWS
#define popen _popen #define popen _popen
#endif #endif