diff options
Diffstat (limited to 'cpp.c')
| -rw-r--r-- | cpp.c | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -1,4 +1,5 @@ #include <stdio.h> +#include <stdlib.h> #include <libgen.h> #include "cpp.h" @@ -21,12 +22,15 @@ int cpp_exec(char *in_file, char *out_file, size_t out_len, char *const argv[]) size_t argc = 7 + argv_len(argv); char *tmp = xstrdup(in_file); char **cpp_argv; - int ret = 0; + int fd, ret = -1; char *base; unsigned int i = 0; base = basename(tmp); - slprintf(out_file, out_len, "/tmp/.tmp-%u-%s", rand(), base); + slprintf(out_file, out_len, "/tmp/.tmp-XXXXXX-%s", base); + fd = mkstemps(out_file, strlen(base) + 1); + if (fd < 0) + goto err; cpp_argv = xmalloc(argc * sizeof(char *)); @@ -42,10 +46,11 @@ int cpp_exec(char *in_file, char *out_file, size_t out_len, char *const argv[]) cpp_argv[i++] = in_file; cpp_argv[i++] = NULL; - if (proc_exec("cpp", cpp_argv)) - ret = -1; + ret = proc_exec("cpp", cpp_argv); + close(fd); xfree(cpp_argv); +err: xfree(tmp); return ret; } |