[PATCH] arch: alpha: boot: tools: Fix code style issues

From: Kunal Singh
Date: Sun Feb 26 2023 - 01:01:58 EST


scripts/checkpatch.pl was giving warning and errors regarding
code style and improvements. This commit address that.

Signed-off-by: Kunal Singh <kunalsin9h@xxxxxxxxx>
---
arch/alpha/boot/tools/mkbb.c | 212 +++++++--------
arch/alpha/boot/tools/objstrip.c | 430 +++++++++++++++----------------
2 files changed, 319 insertions(+), 323 deletions(-)

diff --git a/arch/alpha/boot/tools/mkbb.c b/arch/alpha/boot/tools/mkbb.c
index fc47f33f8a44..a379b9fb9ca6 100644
--- a/arch/alpha/boot/tools/mkbb.c
+++ b/arch/alpha/boot/tools/mkbb.c
@@ -19,7 +19,7 @@
* asm/disklabel.h (confuses make)
*/
#ifndef MAXPARTITIONS
-#define MAXPARTITIONS 8 /* max. # of partitions */
+#define MAXPARTITIONS 8 /* max. # of partitions */
#endif

#ifndef u8
@@ -35,119 +35,119 @@
#endif

struct disklabel {
- u32 d_magic; /* must be DISKLABELMAGIC */
- u16 d_type, d_subtype;
- u8 d_typename[16];
- u8 d_packname[16];
- u32 d_secsize;
- u32 d_nsectors;
- u32 d_ntracks;
- u32 d_ncylinders;
- u32 d_secpercyl;
- u32 d_secprtunit;
- u16 d_sparespertrack;
- u16 d_sparespercyl;
- u32 d_acylinders;
- u16 d_rpm, d_interleave, d_trackskew, d_cylskew;
- u32 d_headswitch, d_trkseek, d_flags;
- u32 d_drivedata[5];
- u32 d_spare[5];
- u32 d_magic2; /* must be DISKLABELMAGIC */
- u16 d_checksum;
- u16 d_npartitions;
- u32 d_bbsize, d_sbsize;
- struct d_partition {
- u32 p_size;
- u32 p_offset;
- u32 p_fsize;
- u8 p_fstype;
- u8 p_frag;
- u16 p_cpg;
- } d_partitions[MAXPARTITIONS];
+ u32 d_magic; /* must be DISKLABELMAGIC */
+ u16 d_type, d_subtype;
+ u8 d_typename[16];
+ u8 d_packname[16];
+ u32 d_secsize;
+ u32 d_nsectors;
+ u32 d_ntracks;
+ u32 d_ncylinders;
+ u32 d_secpercyl;
+ u32 d_secprtunit;
+ u16 d_sparespertrack;
+ u16 d_sparespercyl;
+ u32 d_acylinders;
+ u16 d_rpm, d_interleave, d_trackskew, d_cylskew;
+ u32 d_headswitch, d_trkseek, d_flags;
+ u32 d_drivedata[5];
+ u32 d_spare[5];
+ u32 d_magic2; /* must be DISKLABELMAGIC */
+ u16 d_checksum;
+ u16 d_npartitions;
+ u32 d_bbsize, d_sbsize;
+ struct d_partition {
+ u32 p_size;
+ u32 p_offset;
+ u32 p_fsize;
+ u8 p_fstype;
+ u8 p_frag;
+ u16 p_cpg;
+ } d_partitions[MAXPARTITIONS];
};

-
-typedef union __bootblock {
- struct {
- char __pad1[64];
- struct disklabel __label;
- } __u1;
- struct {
- unsigned long __pad2[63];
- unsigned long __checksum;
- } __u2;
- char bootblock_bytes[512];
- unsigned long bootblock_quadwords[64];
+union __bootblock {
+ struct {
+ char __pad1[64];
+ struct disklabel __label;
+ } __u1;
+ struct {
+ unsigned long __pad2[63];
+ unsigned long __checksum;
+ } __u2;
+ char bootblock_bytes[512];
+ unsigned long bootblock_quadwords[64];
} bootblock;

-#define bootblock_label __u1.__label
-#define bootblock_checksum __u2.__checksum
+#define bootblock_label __u1.__label
+#define bootblock_checksum __u2.__checksum

-int main(int argc, char ** argv)
+int main(int argc, char **argv)
{
- bootblock bootblock_from_disk;
- bootblock bootloader_image;
- int dev, fd;
- int i;
- int nread;
-
- /* Make sure of the arg count */
- if(argc != 3) {
- fprintf(stderr, "Usage: %s device lxboot\n", argv[0]);
- exit(0);
- }
+ bootblock bootblock_from_disk;
+ bootblock bootloader_image;
+ int dev, fd;
+ int i;
+ int nread;
+
+ /* Make sure of the arg count */
+ if (argc != 3) {
+ fprintf(stderr, "Usage: %s device lxboot\n", argv[0]);
+ exit(0);
+ }
+
+ /* First, open the device and make sure it's accessible */
+ dev = open(argv[1], O_RDWR);
+ if (dev < 0) {
+ perror(argv[1]);
+ exit(0);
+ }
+
+ /* Now open the lxboot and make sure it's reasonable */
+ fd = open(argv[2], O_RDONLY);
+ if (fd < 0) {
+ perror(argv[2]);
+ close(dev);
+ exit(0);
+ }
+
+ /* Read in the lxboot */
+ nread = read(fd, &bootloader_image, sizeof(bootblock));
+ if (nread != sizeof(bootblock)) {
+ perror("lxboot read");
+ fprintf(stderr, "expected %zd, got %d\n", sizeof(bootblock),
+ nread);
+ exit(0);
+ }
+
+ /* Read in the bootblock from disk. */
+ nread = read(dev, &bootblock_from_disk, sizeof(bootblock));
+ if (nread != sizeof(bootblock)) {
+ perror("bootblock read");
+ fprintf(stderr, "expected %zd, got %d\n", sizeof(bootblock),
+ nread);
+ exit(0);
+ }
+
+ /* Swap the bootblock's disklabel into the bootloader */
+ bootloader_image.bootblock_label = bootblock_from_disk.bootblock_label;
+
+ /* Calculate the bootblock checksum */
+ bootloader_image.bootblock_checksum = 0;
+ for (i = 0; i < 63; i++) {
+ bootloader_image.bootblock_checksum +=
+ bootloader_image.bootblock_quadwords[i];
+ }

- /* First, open the device and make sure it's accessible */
- dev = open(argv[1], O_RDWR);
- if(dev < 0) {
- perror(argv[1]);
- exit(0);
- }
+ /* Write the whole thing out! */
+ lseek(dev, 0L, SEEK_SET);
+ if (write(dev, &bootloader_image, sizeof(bootblock)) !=
+ sizeof(bootblock)) {
+ perror("bootblock write");
+ exit(0);
+ }

- /* Now open the lxboot and make sure it's reasonable */
- fd = open(argv[2], O_RDONLY);
- if(fd < 0) {
- perror(argv[2]);
+ close(fd);
close(dev);
exit(0);
- }
-
- /* Read in the lxboot */
- nread = read(fd, &bootloader_image, sizeof(bootblock));
- if(nread != sizeof(bootblock)) {
- perror("lxboot read");
- fprintf(stderr, "expected %zd, got %d\n", sizeof(bootblock), nread);
- exit(0);
- }
-
- /* Read in the bootblock from disk. */
- nread = read(dev, &bootblock_from_disk, sizeof(bootblock));
- if(nread != sizeof(bootblock)) {
- perror("bootblock read");
- fprintf(stderr, "expected %zd, got %d\n", sizeof(bootblock), nread);
- exit(0);
- }
-
- /* Swap the bootblock's disklabel into the bootloader */
- bootloader_image.bootblock_label = bootblock_from_disk.bootblock_label;
-
- /* Calculate the bootblock checksum */
- bootloader_image.bootblock_checksum = 0;
- for(i = 0; i < 63; i++) {
- bootloader_image.bootblock_checksum +=
- bootloader_image.bootblock_quadwords[i];
- }
-
- /* Write the whole thing out! */
- lseek(dev, 0L, SEEK_SET);
- if(write(dev, &bootloader_image, sizeof(bootblock)) != sizeof(bootblock)) {
- perror("bootblock write");
- exit(0);
- }
-
- close(fd);
- close(dev);
- exit(0);
}
-
-
diff --git a/arch/alpha/boot/tools/objstrip.c b/arch/alpha/boot/tools/objstrip.c
index 7cf92d172dce..d98b22442010 100644
--- a/arch/alpha/boot/tools/objstrip.c
+++ b/arch/alpha/boot/tools/objstrip.c
@@ -27,258 +27,254 @@
#include <linux/coff.h>
#include <linux/param.h>
#ifdef __ELF__
-# include <linux/elf.h>
-# define elfhdr elf64_hdr
-# define elf_phdr elf64_phdr
-# define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)
+#include <linux/elf.h>
+#define elfhdr elf64_hdr
+#define elf_phdr elf64_phdr
+#define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)
#endif

/* bootfile size must be multiple of BLOCK_SIZE: */
-#define BLOCK_SIZE 512
+#define BLOCK_SIZE 512

-const char * prog_name;
+const char *prog_name;

-
-static void
-usage (void)
+static void usage(void)
{
- fprintf(stderr,
- "usage: %s [-v] -p file primary\n"
- " %s [-vb] file [secondary]\n", prog_name, prog_name);
- exit(1);
+ fprintf(stderr,
+ "%s: %s [-v] -p file primary\n"
+ " %s [-vb] file [secondary]\n",
+ __func__, prog_name, prog_name);
+ exit(1);
}

-
-int
-main (int argc, char *argv[])
+int main(int argc, char *argv[])
{
- size_t nwritten, tocopy, n, mem_size, fil_size, pad = 0;
- int fd, ofd, i, j, verbose = 0, primary = 0;
- char buf[8192], *inname;
- struct exec * aout; /* includes file & aout header */
- long offset;
+ size_t nwritten, tocopy, n, mem_size, fil_size, pad = 0;
+ int fd, ofd, i, j, verbose = 0, primary = 0;
+ char buf[8192], *inname;
+ struct exec *aout; /* includes file & aout header */
+ long offset;
#ifdef __ELF__
- struct elfhdr *elf;
- struct elf_phdr *elf_phdr; /* program header */
- unsigned long long e_entry;
+ struct elfhdr *elf;
+ struct elf_phdr *elf_phdr; /* program header */
+ unsigned long long e_entry;
#endif

- prog_name = argv[0];
+ prog_name = argv[0];

- for (i = 1; i < argc && argv[i][0] == '-'; ++i) {
- for (j = 1; argv[i][j]; ++j) {
- switch (argv[i][j]) {
- case 'v':
- verbose = ~verbose;
- break;
+ for (i = 1; i < argc && argv[i][0] == '-'; ++i) {
+ for (j = 1; argv[i][j]; ++j) {
+ switch (argv[i][j]) {
+ case 'v':
+ verbose = ~verbose;
+ break;

- case 'b':
- pad = BLOCK_SIZE;
- break;
+ case 'b':
+ pad = BLOCK_SIZE;
+ break;

- case 'p':
- primary = 1; /* make primary bootblock */
- break;
- }
+ case 'p':
+ primary = 1; /* make primary bootblock */
+ break;
+ }
+ }
}
- }

- if (i >= argc) {
- usage();
- }
- inname = argv[i++];
+ if (i >= argc)
+ usage();
+ inname = argv[i++];

- fd = open(inname, O_RDONLY);
- if (fd == -1) {
- perror("open");
- exit(1);
- }
-
- ofd = 1;
- if (i < argc) {
- ofd = open(argv[i++], O_WRONLY | O_CREAT | O_TRUNC, 0666);
- if (ofd == -1) {
- perror("open");
- exit(1);
- }
- }
-
- if (primary) {
- /* generate bootblock for primary loader */
-
- unsigned long bb[64], sum = 0;
- struct stat st;
- off_t size;
- int i;
-
- if (ofd == 1) {
- usage();
- }
-
- if (fstat(fd, &st) == -1) {
- perror("fstat");
- exit(1);
+ fd = open(inname, O_RDONLY);
+ if (fd == -1) {
+ perror("open");
+ exit(1);
}

- size = (st.st_size + BLOCK_SIZE - 1) & ~(BLOCK_SIZE - 1);
- memset(bb, 0, sizeof(bb));
- strcpy((char *) bb, "Linux SRM bootblock");
- bb[60] = size / BLOCK_SIZE; /* count */
- bb[61] = 1; /* starting sector # */
- bb[62] = 0; /* flags---must be 0 */
- for (i = 0; i < 63; ++i) {
- sum += bb[i];
+ ofd = 1;
+ if (i < argc) {
+ ofd = open(argv[i++], O_WRONLY | O_CREAT | O_TRUNC, 0666);
+ if (ofd == -1) {
+ perror("open");
+ exit(1);
+ }
}
- bb[63] = sum;
- if (write(ofd, bb, sizeof(bb)) != sizeof(bb)) {
- perror("boot-block write");
- exit(1);
- }
- printf("%lu\n", size);
- return 0;
- }
-
- /* read and inspect exec header: */
-
- if (read(fd, buf, sizeof(buf)) < 0) {
- perror("read");
- exit(1);
- }

-#ifdef __ELF__
- elf = (struct elfhdr *) buf;
-
- if (memcmp(&elf->e_ident[EI_MAG0], ELFMAG, SELFMAG) == 0) {
- if (elf->e_type != ET_EXEC) {
- fprintf(stderr, "%s: %s is not an ELF executable\n",
- prog_name, inname);
- exit(1);
- }
- if (!elf_check_arch(elf)) {
- fprintf(stderr, "%s: is not for this processor (e_machine=%d)\n",
- prog_name, elf->e_machine);
- exit(1);
- }
- if (elf->e_phnum != 1) {
- fprintf(stderr,
- "%s: %d program headers (forgot to link with -N?)\n",
- prog_name, elf->e_phnum);
+ if (primary) {
+ /* generate bootblock for primary loader */
+
+ unsigned long bb[64], sum = 0;
+ struct stat st;
+ off_t size;
+ int i;
+
+ if (ofd == 1)
+ usage();
+
+ if (fstat(fd, &st) == -1) {
+ perror("fstat");
+ exit(1);
+ }
+
+ size = (st.st_size + BLOCK_SIZE - 1) & ~(BLOCK_SIZE - 1);
+ memset(bb, 0, sizeof(bb));
+ strcpy((char *)bb, "Linux SRM bootblock");
+ bb[60] = size / BLOCK_SIZE; /* count */
+ bb[61] = 1; /* starting sector # */
+ bb[62] = 0; /* flags---must be 0 */
+ for (i = 0; i < 63; ++i)
+ sum += bb[i];
+ bb[63] = sum;
+ if (write(ofd, bb, sizeof(bb)) != sizeof(bb)) {
+ perror("boot-block write");
+ exit(1);
+ }
+ printf("%lu\n", size);
+ return 0;
}

- e_entry = elf->e_entry;
+ /* read and inspect exec header: */

- lseek(fd, elf->e_phoff, SEEK_SET);
- if (read(fd, buf, sizeof(*elf_phdr)) != sizeof(*elf_phdr)) {
- perror("read");
- exit(1);
- }
-
- elf_phdr = (struct elf_phdr *) buf;
- offset = elf_phdr->p_offset;
- mem_size = elf_phdr->p_memsz;
- fil_size = elf_phdr->p_filesz;
-
- /* work around ELF bug: */
- if (elf_phdr->p_vaddr < e_entry) {
- unsigned long delta = e_entry - elf_phdr->p_vaddr;
- offset += delta;
- mem_size -= delta;
- fil_size -= delta;
- elf_phdr->p_vaddr += delta;
+ if (read(fd, buf, sizeof(buf)) < 0) {
+ perror("read");
+ exit(1);
}

- if (verbose) {
- fprintf(stderr, "%s: extracting %#016lx-%#016lx (at %lx)\n",
- prog_name, (long) elf_phdr->p_vaddr,
- elf_phdr->p_vaddr + fil_size, offset);
- }
- } else
+#ifdef __ELF__
+ elf = (struct elfhdr *)buf;
+
+ if (memcmp(&elf->e_ident[EI_MAG0], ELFMAG, SELFMAG) == 0) {
+ if (elf->e_type != ET_EXEC) {
+ fprintf(stderr, "%s: %s is not an ELF executable\n",
+ prog_name, inname);
+ exit(1);
+ }
+ if (!elf_check_arch(elf)) {
+ fprintf(stderr,
+ "%s: is not for this processor (e_machine=%d)\n",
+ prog_name, elf->e_machine);
+ exit(1);
+ }
+ if (elf->e_phnum != 1) {
+ fprintf(stderr,
+ "%s: %d program headers (forgot to link with -N?)\n",
+ prog_name, elf->e_phnum);
+ }
+
+ e_entry = elf->e_entry;
+
+ lseek(fd, elf->e_phoff, SEEK_SET);
+ if (read(fd, buf, sizeof(*elf_phdr)) != sizeof(*elf_phdr)) {
+ perror("read");
+ exit(1);
+ }
+
+ elf_phdr = (struct elf_phdr *)buf;
+ offset = elf_phdr->p_offset;
+ mem_size = elf_phdr->p_memsz;
+ fil_size = elf_phdr->p_filesz;
+
+ /* work around ELF bug: */
+ if (elf_phdr->p_vaddr < e_entry) {
+ unsigned long delta = e_entry - elf_phdr->p_vaddr;
+
+ offset += delta;
+ mem_size -= delta;
+ fil_size -= delta;
+ elf_phdr->p_vaddr += delta;
+ }
+
+ if (verbose) {
+ fprintf(stderr,
+ "%s: extracting %#016lx-%#016lx (at %lx)\n",
+ prog_name, (long)elf_phdr->p_vaddr,
+ elf_phdr->p_vaddr + fil_size, offset);
+ }
+ } else
#endif
- {
- aout = (struct exec *) buf;
-
- if (!(aout->fh.f_flags & COFF_F_EXEC)) {
- fprintf(stderr, "%s: %s is not in executable format\n",
- prog_name, inname);
- exit(1);
- }
-
- if (aout->fh.f_opthdr != sizeof(aout->ah)) {
- fprintf(stderr, "%s: %s has unexpected optional header size\n",
- prog_name, inname);
- exit(1);
+ {
+ aout = (struct exec *)buf;
+
+ if (!(aout->fh.f_flags & COFF_F_EXEC)) {
+ fprintf(stderr, "%s: %s is not in executable format\n",
+ prog_name, inname);
+ exit(1);
+ }
+
+ if (aout->fh.f_opthdr != sizeof(aout->ah)) {
+ fprintf(stderr,
+ "%s: %s has unexpected optional header size\n",
+ prog_name, inname);
+ exit(1);
+ }
+
+ if (N_MAGIC(*aout) != OMAGIC) {
+ fprintf(stderr, "%s: %s is not an OMAGIC file\n",
+ prog_name, inname);
+ exit(1);
+ }
+ offset = N_TXTOFF(*aout);
+ fil_size = aout->ah.tsize + aout->ah.dsize;
+ mem_size = fil_size + aout->ah.bsize;
+
+ if (verbose) {
+ fprintf(stderr,
+ "%s: extracting %#016lx-%#016lx (at %lx)\n",
+ prog_name, aout->ah.text_start,
+ aout->ah.text_start + fil_size, offset);
+ }
}

- if (N_MAGIC(*aout) != OMAGIC) {
- fprintf(stderr, "%s: %s is not an OMAGIC file\n",
- prog_name, inname);
- exit(1);
+ if (lseek(fd, offset, SEEK_SET) != offset) {
+ perror("lseek");
+ exit(1);
}
- offset = N_TXTOFF(*aout);
- fil_size = aout->ah.tsize + aout->ah.dsize;
- mem_size = fil_size + aout->ah.bsize;

if (verbose) {
- fprintf(stderr, "%s: extracting %#016lx-%#016lx (at %lx)\n",
- prog_name, aout->ah.text_start,
- aout->ah.text_start + fil_size, offset);
+ fprintf(stderr, "%s: copying %lu byte from %s\n", prog_name,
+ (unsigned long)fil_size, inname);
}
- }

- if (lseek(fd, offset, SEEK_SET) != offset) {
- perror("lseek");
- exit(1);
- }
-
- if (verbose) {
- fprintf(stderr, "%s: copying %lu byte from %s\n",
- prog_name, (unsigned long) fil_size, inname);
- }
-
- tocopy = fil_size;
- while (tocopy > 0) {
- n = tocopy;
- if (n > sizeof(buf)) {
- n = sizeof(buf);
- }
- tocopy -= n;
- if ((size_t) read(fd, buf, n) != n) {
- perror("read");
- exit(1);
+ tocopy = fil_size;
+ while (tocopy > 0) {
+ n = tocopy;
+ if (n > sizeof(buf))
+ n = sizeof(buf);
+ tocopy -= n;
+ if ((size_t)read(fd, buf, n) != n) {
+ perror("read");
+ exit(1);
+ }
+ do {
+ nwritten = write(ofd, buf, n);
+ if ((ssize_t)nwritten == -1) {
+ perror("write");
+ exit(1);
+ }
+ n -= nwritten;
+ } while (n > 0);
}
- do {
- nwritten = write(ofd, buf, n);
- if ((ssize_t) nwritten == -1) {
- perror("write");
- exit(1);
- }
- n -= nwritten;
- } while (n > 0);
- }
-
- if (pad) {
- mem_size = ((mem_size + pad - 1) / pad) * pad;
- }

- tocopy = mem_size - fil_size;
- if (tocopy > 0) {
- fprintf(stderr,
- "%s: zero-filling bss and aligning to %lu with %lu bytes\n",
- prog_name, pad, (unsigned long) tocopy);
-
- memset(buf, 0x00, sizeof(buf));
- do {
- n = tocopy;
- if (n > sizeof(buf)) {
- n = sizeof(buf);
- }
- nwritten = write(ofd, buf, n);
- if ((ssize_t) nwritten == -1) {
- perror("write");
- exit(1);
- }
- tocopy -= nwritten;
- } while (tocopy > 0);
- }
- return 0;
+ if (pad)
+ mem_size = ((mem_size + pad - 1) / pad) * pad;
+
+ tocopy = mem_size - fil_size;
+ if (tocopy > 0) {
+ fprintf(stderr,
+ "%s: zero-filling bss and aligning to %lu with %lu bytes\n",
+ prog_name, pad, (unsigned long)tocopy);
+
+ memset(buf, 0x00, sizeof(buf));
+ do {
+ n = tocopy;
+ if (n > sizeof(buf))
+ n = sizeof(buf);
+ nwritten = write(ofd, buf, n);
+ if ((ssize_t)nwritten == -1) {
+ perror("write");
+ exit(1);
+ }
+ tocopy -= nwritten;
+ } while (tocopy > 0);
+ }
+ return 0;
}
--
2.37.2