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Diffstat (limited to 'src/internal/procfdname.c')
-rw-r--r--src/internal/procfdname.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/internal/procfdname.c b/src/internal/procfdname.c
new file mode 100644
index 00000000..697e0bdc
--- /dev/null
+++ b/src/internal/procfdname.c
@@ -0,0 +1,13 @@
+void __procfdname(char *buf, unsigned fd)
+{
+ unsigned i, j;
+ for (i=0; (buf[i] = "/proc/self/fd/"[i]); i++);
+ if (!fd) {
+ buf[i] = '0';
+ buf[i+1] = 0;
+ return;
+ }
+ for (j=fd; j; j/=10, i++);
+ buf[i] = 0;
+ for (; fd; fd/=10) buf[--i] = '0' + fd%10;
+}