Signed-off-by: Michael Heimpold <m...@heimpold.de> --- tools/firmware-utils/src/ptgen.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/tools/firmware-utils/src/ptgen.c b/tools/firmware-utils/src/ptgen.c index af14d73..3e1b8ba 100644 --- a/tools/firmware-utils/src/ptgen.c +++ b/tools/firmware-utils/src/ptgen.c @@ -30,6 +30,7 @@ #include <ctype.h> #include <fcntl.h> #include <stdint.h> +#include <errno.h> #if __BYTE_ORDER == __BIG_ENDIAN #define cpu_to_le32(x) bswap_32(x) @@ -168,24 +169,24 @@ static int gen_ptable(uint32_t signature, int nr) } if ((fd = open(filename, O_WRONLY|O_CREAT, 0644)) < 0) { - fprintf(stderr, "Can't open output file '%s'\n",filename); + fprintf(stderr, "Can't open output file '%s': %s\n", filename, strerror(errno)); return -1; } lseek(fd, 440, SEEK_SET); if (write(fd, &signature, sizeof(signature)) != sizeof(signature)) { - fprintf(stderr, "write failed.\n"); + perror("Writing disk signature failed"); goto fail; } lseek(fd, 446, SEEK_SET); if (write(fd, pte, sizeof(struct pte) * 4) != sizeof(struct pte) * 4) { - fprintf(stderr, "write failed.\n"); + perror("Writing partition table failed"); goto fail; } lseek(fd, 510, SEEK_SET); if (write(fd, "\x55\xaa", 2) != 2) { - fprintf(stderr, "write failed.\n"); + perror("Writing signature failed"); goto fail; } -- 2.7.4 _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev