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author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
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committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/stdio/fgetws.c |
Initial version
Diffstat (limited to 'src/stdio/fgetws.c')
-rw-r--r-- | src/stdio/fgetws.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/stdio/fgetws.c b/src/stdio/fgetws.c new file mode 100644 index 0000000..195cb43 --- /dev/null +++ b/src/stdio/fgetws.c @@ -0,0 +1,28 @@ +#include "stdio_impl.h" +#include <wchar.h> + +wint_t __fgetwc_unlocked(FILE *); + +wchar_t *fgetws(wchar_t *restrict s, int n, FILE *restrict f) +{ + wchar_t *p = s; + + if (!n--) return s; + + FLOCK(f); + + for (; n; n--) { + wint_t c = __fgetwc_unlocked(f); + if (c == WEOF) break; + *p++ = c; + if (c == '\n') break; + } + *p = 0; + if (ferror(f)) p = s; + + FUNLOCK(f); + + return (p == s) ? NULL : s; +} + +weak_alias(fgetws, fgetws_unlocked); |