[hackers] [scc] [driver] Fix the snprintf check for errors || Quentin Rameau

[git]

commit abe4b5dfa83c017b1311fb5d541bdb4c77b2010e
Author:     Quentin Rameau <quinq@fifth.space>
AuthorDate: Thu May 26 09:56:44 2016 +0200
Commit:     Quentin Rameau <quinq@fifth.space>
CommitDate: Thu May 26 09:56:44 2016 +0200

    [driver] Fix the snprintf check for errors

diff --git a/driver/posix/scc.c b/driver/posix/scc.c
index ef21e0a..b7be1fc 100644
--- a/driver/posix/scc.c
+++ b/driver/posix/scc.c
@@ -41,7 +41,7 @@ spawn(char *tool, char *args[NARGS], pid_t *pid_tool, int fd, 
int stdfd)
 
        r = snprintf(archtool, sizeof(archtool),
                     arch ? "%s-%s" : "%s", tool, arch);
-       if (r == -1 || r >= sizeof(archtool))
+       if (r < 0 || r >= sizeof(archtool))
                die("scc: incorrect target arch");
 
        switch (pid = fork()) {
@@ -50,7 +50,7 @@ spawn(char *tool, char *args[NARGS], pid_t *pid_tool, int fd, 
int stdfd)
        case 0:
                dup2(fd, stdfd);
                r = snprintf(cmd, sizeof(cmd), fmt, PREFIX, archtool);
-               if (r == - 1 || r >= sizeof(cmd))
+               if (r < 0 || r >= sizeof(cmd))
                        die("scc: incorrect prefix");
                args[0] = archtool;
                execv(cmd, args);