diff options
Diffstat (limited to 'vmcore-dmesg/vmcore-dmesg.c')
| -rw-r--r-- | vmcore-dmesg/vmcore-dmesg.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/vmcore-dmesg/vmcore-dmesg.c b/vmcore-dmesg/vmcore-dmesg.c index bebc348a..fe7df8ec 100644 --- a/vmcore-dmesg/vmcore-dmesg.c +++ b/vmcore-dmesg/vmcore-dmesg.c @@ -5,6 +5,34 @@ typedef Elf32_Nhdr Elf_Nhdr; extern const char *fname; +static void write_to_stdout(char *buf, unsigned int nr) +{ + ssize_t ret; + + ret = write(STDOUT_FILENO, buf, nr); + if (ret != nr) { + fprintf(stderr, "Failed to write out the dmesg log buffer!:" + " %s\n", strerror(errno)); + exit(54); + } +} + +static int read_vmcore_dmesg(int fd, void (*handler)(char*, unsigned int)) +{ + int ret; + + ret = read_elf(fd); + if (ret > 0) { + fprintf(stderr, "Unable to read ELF information" + " from vmcore\n"); + return ret; + } + + dump_dmesg(fd, handler); + + return 0; +} + int main(int argc, char **argv) { ssize_t ret; @@ -23,7 +51,7 @@ int main(int argc, char **argv) return 2; } - ret = read_elf_vmcore(fd); + ret = read_vmcore_dmesg(fd, write_to_stdout); close(fd); |