removed unrelated files

[apps/agl-service-data-persistence.git] / idkey / main.c

diff --git a/idkey/main.c b/idkey/main.c
deleted file mode 100644 (file)
index 16b2232..0000000
--- a/idkey/main.c
+++ /dev/null
@@ -1,127 +0,0 @@
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#define EXIT_SUCCESS           0
-#define EXIT_CMDLINE           1
-#define EXIT_FILEOPEN          2
-#define EXIT_FILEREAD          3
-#define EXIT_FILEWRITE         4
-#define EXIT_INVALID           5
-#define EXIT_ALLOC                     6
-
-#define BLOCK_SIZE                     4096
-
-/// @brief Header of the datas.
-typedef struct header_
-{
-       char mn[4];
-       size_t size;
-} header;
-
-/// @brief Check if the @c v is a valid magick number.
-/// @param[in] v magick number.
-/// @return 1 if valid, zero otherwise.
-int is_valid_nm(const char* v)
-{
-       return v && v[0] == 'I' && v[1] == 'D' && v[2] == 'K' && v[3] == 'Y';
-}
-
-/// @brief Close the file descriptor if valid then print a formatted error message then return the specified code.
-/// @param[in] fd File descriptor to close.
-/// @param[in] code The exit code to return.
-/// @param[in] format The message to print.
-/// @param[in] ... Values for formatting.
-/// @return The exit code provided by @c code.
-int close_and_fail(int fd, int code, const char* format, ...)
-{
-       va_list arglist;
-       fprintf(stderr, "Error: ");
-       va_start(arglist, format);
-       vfprintf(stderr, format, arglist);
-       va_end(arglist);
-       fprintf(stderr, "\n");
-       return code;
-}
-
-/// @brief Read the device @c devname and print it's data to stdout.
-/// @param[in] devname Device's name.
-/// @return Exit code, zero if success.
-int read_device(const char* devname)
-{
-       int fd = open(devname, O_RDONLY);
-       if (fd == -1) return close_and_fail(fd, EXIT_FILEOPEN, "Failed to open '%s'!", devname);
-
-       header h;
-       ssize_t sz = read(fd, &h, sizeof(header));
-       if (sz != sizeof(header)) return close_and_fail(fd, EXIT_FILEREAD, "Failed to read the header!");
-       if (!is_valid_nm(h.mn)) return close_and_fail(fd, EXIT_INVALID, "Not a valid identity key!");
-
-       while(h.size)
-       {
-               char datas[BLOCK_SIZE + 1];
-               memset(datas, BLOCK_SIZE +1, 0);
-               size_t count = BLOCK_SIZE > h.size ? h.size : BLOCK_SIZE;
-
-               sz = read(fd, datas, count);
-
-               if (sz != count) close_and_fail(fd, EXIT_FILEREAD, "Failed to read a data block!");
-               h.size = (h.size - count);
-
-               printf(datas);
-       }
-       printf("\n");
-       close(fd);
-       return EXIT_SUCCESS;
-}
-
-/// @brief Write the specified data to the specified device.
-/// @param[in] devname Name of the device.
-/// @param[in] datas Datas to write.
-/// @return Exit code, zero if success, non-zero otherwise.
-int write_device(const char* devname, const char* datas)
-{
-       header h = {
-               .mn = {'I', 'D', 'K', 'Y'},
-               .size = strlen(datas)
-       };
-       if (h.size < 1) return close_and_fail(-1, EXIT_CMDLINE, "No data to write!");
-
-       int fd = open(devname, O_WRONLY);
-       if (fd == -1) return close_and_fail(fd, EXIT_FILEOPEN, "Failed to open device '%s'!", devname);
-       if (write(fd, &h, sizeof(header)) != sizeof(header)) return close_and_fail(fd, EXIT_FILEWRITE, "Failed to write the header!");
-       if (write(fd, datas, h.size) != h.size) return close_and_fail(fd, EXIT_FILEWRITE, "Failed to write datas!");
-       
-       close(fd);
-       return EXIT_SUCCESS;
-}
-
-/// @brief Entry point.
-/// @param[in] argc Number of arguments in @c argv.
-/// @param[in] argv Arguments array.
-/// @return Exit code, zero if success, non-zero otherwise.
-int main(int argc, char** argv)
-{
-       switch(argc)
-       {
-       case 0:
-       case 1:
-               fprintf(stderr, "ERROR: too few arguments!\n");
-               return EXIT_CMDLINE;
-
-       case 2: // Read the device
-               return read_device(argv[1]);
-
-       case 3: // Write the device
-               return write_device(argv[1], argv[2]);
-
-       default:
-               fprintf(stderr, "ERROR: too many arguments!\n");
-               return EXIT_CMDLINE;
-       }
-}
-