diff options
Diffstat (limited to '')
| -rw-r--r-- | tests/gpgscm/main.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/tests/gpgscm/main.c b/tests/gpgscm/main.c index 65929f007..79072a540 100644 --- a/tests/gpgscm/main.c +++ b/tests/gpgscm/main.c @@ -23,13 +23,20 @@ #include <assert.h> #include <ctype.h> #include <errno.h> +#include <fcntl.h> #include <gcrypt.h> #include <gpg-error.h> #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <sys/types.h> +#include <sys/stat.h> #include <unistd.h> +#if HAVE_MMAP +#include <sys/mman.h> +#endif + #include "private.h" #include "scheme.h" #include "scheme-private.h" @@ -177,7 +184,39 @@ load (scheme *sc, char *file_name, } if (verbose > 1) fprintf (stderr, "Loading %s...\n", qualified_name); - scheme_load_named_file (sc, h, qualified_name); + +#if HAVE_MMAP + /* Always try to mmap the file. This allows the pages to be shared + * between processes. If anything fails, we fall back to using + * buffered streams. */ + if (1) + { + struct stat st; + void *map; + size_t len; + int fd = fileno (h); + + if (fd < 0) + goto fallback; + + if (fstat (fd, &st)) + goto fallback; + + len = (size_t) st.st_size; + if ((off_t) len != st.st_size) + goto fallback; /* Truncated. */ + + map = mmap (NULL, len, PROT_READ, MAP_SHARED, fd, 0); + if (map == MAP_FAILED) + goto fallback; + + scheme_load_memory (sc, map, len, qualified_name); + munmap (map, len); + } + else + fallback: +#endif + scheme_load_named_file (sc, h, qualified_name); fclose (h); if (sc->retcode && sc->nesting) |