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| author | Rich Felker <dalias@aerifal.cx> | 2013-08-02 12:59:45 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2013-08-02 12:59:45 -0400 |
| commit | c8c0844f7fbcb955848ca84432e5ffcf71f1cef1 (patch) | |
| tree | 57aee97670957a956d6a387d1b33d6fd987765e9 /src/unistd | |
| parent | 0dc4824479e357a3e23a02d35527e23fca920343 (diff) | |
| download | musl-c8c0844f7fbcb955848ca84432e5ffcf71f1cef1.tar.gz | |
debloat code that depends on /proc/self/fd/%d with shared function
I intend to add more Linux workarounds that depend on using these
pathnames, and some of them will be in "syscall" functions that, from
an anti-bloat standpoint, should not depend on the whole snprintf
framework.
Diffstat (limited to 'src/unistd')
| -rw-r--r-- | src/unistd/ttyname_r.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/unistd/ttyname_r.c b/src/unistd/ttyname_r.c index 2255e2df..a2ce3511 100644 --- a/src/unistd/ttyname_r.c +++ b/src/unistd/ttyname_r.c @@ -3,6 +3,8 @@ #include <stdio.h> #include <string.h> +void __procfdname(char *, unsigned); + int ttyname_r(int fd, char *name, size_t size) { char procname[sizeof "/proc/self/fd/" + 3*sizeof(int) + 2]; @@ -10,7 +12,7 @@ int ttyname_r(int fd, char *name, size_t size) if (!isatty(fd)) return ENOTTY; - snprintf(procname, sizeof procname, "/proc/self/fd/%d", fd); + __procfdname(procname, fd); l = readlink(procname, name, size); if (l < 0) return errno; |