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| author | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
| commit | 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch) | |
| tree | 6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/internal/syscall.c | |
| download | musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz | |
initial check-in, version 0.5.0v0.5.0
Diffstat (limited to 'src/internal/syscall.c')
| -rw-r--r-- | src/internal/syscall.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/internal/syscall.c b/src/internal/syscall.c new file mode 100644 index 00000000..4f159e0b --- /dev/null +++ b/src/internal/syscall.c @@ -0,0 +1,11 @@ +#include <errno.h> +#include <unistd.h> + +long __syscall_ret(unsigned long r) +{ + if (r >= (unsigned long)-1 - 4096) { + errno = -(long)r; + return -1; + } + return (long)r; +} |