path: root/src/process/fexecve.c
diff options
authorRich Felker <>2013-08-02 12:59:45 -0400
committerRich Felker <>2013-08-02 12:59:45 -0400
commitc8c0844f7fbcb955848ca84432e5ffcf71f1cef1 (patch)
tree57aee97670957a956d6a387d1b33d6fd987765e9 /src/process/fexecve.c
parent0dc4824479e357a3e23a02d35527e23fca920343 (diff)
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/process/fexecve.c')
1 files changed, 4 insertions, 3 deletions
diff --git a/src/process/fexecve.c b/src/process/fexecve.c
index 5939181a..8ab02a74 100644
--- a/src/process/fexecve.c
+++ b/src/process/fexecve.c
@@ -2,11 +2,12 @@
#include <stdio.h>
#include <errno.h>
+void __procfdname(char *, unsigned);
int fexecve(int fd, char *const argv[], char *const envp[])
- static const char proc[] = "/proc/self/fd/%d";
- char buf[sizeof proc + 3*sizeof(int)];
- snprintf(buf, sizeof buf, proc, fd);
+ char buf[15 + 3*sizeof(int)];
+ __procfdname(buf, fd);
execve(buf, argv, envp);
if (errno == ENOENT) errno = EBADF;
return -1;