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strings: fix style nits

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Reviewed by:	cem, emaste, Joseph Koshy <jkoshy@users.sourceforge.net>
Differential Revision:	https://reviews.freebsd.org/D18036
This commit is contained in:
Mariusz Zaborski 2018-11-21 21:48:02 +00:00
parent 65caaa0ed6
commit 4f486ad6f6
1 changed files with 52 additions and 52 deletions
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104
contrib/elftoolchain/strings/strings.c
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@ -24,8 +24,8 @@
* SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#include <err.h>
@ -64,7 +64,7 @@ enum encoding_style {
};
#define PRINTABLE(c) \
((c) >= 0 && (c) <= 255 && \
((c) >= 0 && (c) <= 255 && \
((c) == '\t' || isprint((c)) || \
(encoding == ENCODING_8BIT && (c) > 127)))
@ -109,8 +109,8 @@ main(int argc, char **argv)
elf_errmsg(-1));
while ((ch = getopt_long(argc, argv, "1234567890ae:fhn:ot:Vv",
strings_longopts, NULL)) != -1)
switch((char)ch) {
strings_longopts, NULL)) != -1) {
switch ((char)ch) {
case 'a':
entire_file = 1;
break;
@ -183,14 +183,15 @@ main(int argc, char **argv)
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (!min_len)
if (min_len == 0)
min_len = 4;
if (!*argv)
if (*argv == NULL)
rc = find_strings("{standard input}", 0, 0);
else while (*argv) {
else while (*argv != NULL) {
if (handle_file(*argv) != 0)
rc = 1;
argv++;
@ -226,10 +227,10 @@ handle_binary(const char *name, int fd)
{
struct stat buf;
memset(&buf, 0, sizeof(struct stat));
(void) lseek(fd, (off_t)0, SEEK_SET);
memset(&buf, 0, sizeof(buf));
(void)lseek(fd, 0, SEEK_SET);
if (!fstat(fd, &buf))
return (find_strings(name, (off_t)0, buf.st_size));
return (find_strings(name, 0, buf.st_size));
return (1);
}
@ -253,21 +254,21 @@ handle_elf(const char *name, int fd)
if (entire_file)
return (handle_binary(name, fd));
(void) lseek(fd, (off_t)0, SEEK_SET);
(void)lseek(fd, 0, SEEK_SET);
elf = elf_begin(fd, ELF_C_READ, NULL);
if (elf_kind(elf) != ELF_K_ELF) {
(void) elf_end(elf);
(void)elf_end(elf);
return (handle_binary(name, fd));
}
if (gelf_getehdr(elf, &elfhdr) == NULL) {
(void) elf_end(elf);
(void)elf_end(elf);
warnx("%s: ELF file could not be processed", name);
return (1);
}
if (elfhdr.e_shnum == 0 && elfhdr.e_type == ET_CORE) {
(void) elf_end(elf);
(void)elf_end(elf);
return (handle_binary(name, fd));
} else {
scn = NULL;
@ -281,7 +282,7 @@ handle_elf(const char *name, int fd)
}
}
}
(void) elf_end(elf);
(void)elf_end(elf);
return (rc);
}
@ -304,7 +305,7 @@ getcharacter(void)
buf[i] = c;
}
switch(encoding) {
switch (encoding) {
case ENCODING_7BIT:
case ENCODING_8BIT:
rt = buf[0];
@ -317,12 +318,12 @@ getcharacter(void)
break;
case ENCODING_32BIT_BIG:
rt = ((long) buf[0] << 24) | ((long) buf[1] << 16) |
((long) buf[2] << 8) | buf[3];
break;
((long) buf[2] << 8) | buf[3];
break;
case ENCODING_32BIT_LITTLE:
rt = buf[0] | ((long) buf[1] << 8) | ((long) buf[2] << 16) |
((long) buf[3] << 24);
break;
((long) buf[3] << 24);
break;
}
return (rt);
}
@ -341,63 +342,60 @@ find_strings(const char *name, off_t offset, off_t size)
int i;
if ((obuf = (char*)calloc(1, min_len + 1)) == NULL) {
(void) fprintf(stderr, "Unable to allocate memory: %s\n",
strerror(errno));
fprintf(stderr, "Unable to allocate memory: %s\n",
strerror(errno));
return (1);
}
(void) fseeko(stdin, offset, SEEK_SET);
(void)fseeko(stdin, offset, SEEK_SET);
cur_off = offset;
start_off = 0;
while(1) {
while (true) {
if ((offset + size) && (cur_off >= offset + size))
break;
start_off = cur_off;
memset(obuf, 0, min_len+1);
memset(obuf, 0, min_len + 1);
for(i = 0; i < min_len; i++) {
c = getcharacter();
if (c == EOF && feof(stdin))
goto _exit1;
if (PRINTABLE(c)) {
obuf[i] = c;
obuf[i+1] = 0;
cur_off += encoding_size;
} else {
if (PRINTABLE(c)) {
obuf[i] = c;
obuf[i + 1] = 0;
cur_off += encoding_size;
} else {
if (encoding == ENCODING_8BIT &&
(uint8_t)c > 127) {
obuf[i] = c;
obuf[i+1] = 0;
cur_off += encoding_size;
continue;
}
cur_off += encoding_size;
break;
}
obuf[i] = c;
obuf[i + 1] = 0;
cur_off += encoding_size;
continue;
}
cur_off += encoding_size;
break;
}
}
if (i >= min_len && ((cur_off <= offset + size) ||
!(offset + size))) {
if (show_filename)
printf ("%s: ", name);
printf("%s: ", name);
if (show_loc) {
switch(radix) {
switch (radix) {
case RADIX_DECIMAL:
(void) printf("%7ju ",
(uintmax_t)start_off);
printf("%7ju ", (uintmax_t)start_off);
break;
case RADIX_HEX:
(void) printf("%7jx ",
(uintmax_t)start_off);
printf("%7jx ", (uintmax_t)start_off);
break;
case RADIX_OCTAL:
(void) printf("%7jo ",
(uintmax_t)start_off);
printf("%7jo ", (uintmax_t)start_off);
break;
}
}
printf("%s", obuf);
while(1) {
while (true) {
if ((offset + size) &&
(cur_off >= offset + size))
break;
@ -405,9 +403,9 @@ find_strings(const char *name, off_t offset, off_t size)
cur_off += encoding_size;
if (encoding == ENCODING_8BIT &&
(uint8_t)c > 127) {
putchar(c);
continue;
}
putchar(c);
continue;
}
if (!PRINTABLE(c) || c == EOF)
break;
putchar(c);
@ -436,13 +434,15 @@ Usage: %s [options] [file...]\n\
void
usage(void)
{
(void) fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
exit(EXIT_FAILURE);
}
void
show_version(void)
{
(void) printf("%s (%s)\n", ELFTC_GETPROGNAME(), elftc_version());
printf("%s (%s)\n", ELFTC_GETPROGNAME(), elftc_version());
exit(EXIT_SUCCESS);
}