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fix various bugs in path and error handling in execvp/fexecve

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This commit is contained in:
Rich Felker
2011-09-29 00:48:04 -04:00
parent 5f814682b4
commit 4b87736998
2 changed files with 31 additions and 20 deletions
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5
src/process/fexecve.c
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@ -1,10 +1,13 @@
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
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);
return execve(buf, argv, envp);
execve(buf, argv, envp);
if (errno == ENOENT) errno = EBADF;
return -1;
}