diff options
author | Justus Winter <justus@pep-project.org> | 2017-12-14 11:26:28 +0100 |
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committer | Justus Winter <justus@pep-project.org> | 2017-12-14 12:12:16 +0100 |
commit | 42447a1bd58599643568b0e4885ca4fa4fe7aed9 (patch) | |
tree | 4d2574dadf4bdaba4edafe1a87ec36bcafa224af /ffi/examples | |
parent | f9ecc50244ec329461ae3b656551b1c2896a7539 (diff) |
ffi: Move the examples.
- Move the 'example.c' to sequoia-ffi.
- Fix and improve Makefile.
Diffstat (limited to 'ffi/examples')
-rw-r--r-- | ffi/examples/Makefile | 12 | ||||
-rw-r--r-- | ffi/examples/example.c | 50 |
2 files changed, 62 insertions, 0 deletions
diff --git a/ffi/examples/Makefile b/ffi/examples/Makefile new file mode 100644 index 00000000..4f71c405 --- /dev/null +++ b/ffi/examples/Makefile @@ -0,0 +1,12 @@ +# Makefile for examples written in C. + +TARGETS = example dump keyserver +CFLAGS = -I../src -O0 -g -Wall +LDFLAGS = -L../../target/debug -lsequoia_ffi + +all: $(TARGETS) + +clean: + rm -f $(TARGETS) + +$(TARGETS): ../src/sequoia.h diff --git a/ffi/examples/example.c b/ffi/examples/example.c new file mode 100644 index 00000000..5b087c15 --- /dev/null +++ b/ffi/examples/example.c @@ -0,0 +1,50 @@ +#define _GNU_SOURCE +#include <error.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +#include <sequoia.h> + +int +main (int argc, char **argv) +{ + struct stat st; + int fd; + char *b; + struct sq_context *ctx; + struct sq_tpk *tpk; + + if (argc != 2) + error (1, 0, "Usage: %s <file>", argv[0]); + + ctx = sq_context_new("org.sequoia-pgp.example"); + if (ctx == NULL) + error (1, 0, "Initializing sequoia failed."); + + if (stat (argv[1], &st)) + error (1, errno, "%s", argv[1]); + + fd = open (argv[1], O_RDONLY); + if (fd == -1) + error (1, errno, "%s", argv[1]); + + b = mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); + if (b == MAP_FAILED) + error (1, errno, "mmap"); + + tpk = sq_tpk_from_bytes (b, st.st_size); + if (tpk == NULL) + error (1, 0, "sq_tpk_from_bytes failed"); + + sq_tpk_dump (tpk); + sq_tpk_free (tpk); + sq_context_free (ctx); + munmap (b, st.st_size); + close (fd); + return 0; +} |