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Run through indent, use braces

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This commit is contained in:
Glenn L McGrath 2002-08-24 10:30:36 +00:00
parent 933d10d308
commit 1ee52e8b14
1 changed files with 90 additions and 82 deletions
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172
archival/gunzip.c
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@ -71,90 +71,95 @@ const int gunzip_force = 2;
const int gunzip_test = 4; const int gunzip_test = 4;
const int gunzip_verbose = 8; const int gunzip_verbose = 8;
static int gunzip_file (const char *path, int flags) static int gunzip_file(const char *path, int flags)
{ {
FILE *in_file, *out_file; FILE *in_file, *out_file;
struct stat stat_buf; struct stat stat_buf;
const char *delete_path = NULL; const char *delete_path = NULL;
char *out_path = NULL; char *out_path = NULL;
if (path == NULL || strcmp (path, "-") == 0) { if (path == NULL || strcmp(path, "-") == 0) {
in_file = stdin; in_file = stdin;
flags |= gunzip_to_stdout; flags |= gunzip_to_stdout;
} else {
if ((in_file = wfopen(path, "r")) == NULL)
return -1;
if (flags & gunzip_verbose) {
fprintf(stderr, "%s:\t", path);
}
/* set the buffer size */
setvbuf(in_file, NULL, _IOFBF, 0x8000);
/* Get the time stamp on the input file. */
if (stat(path, &stat_buf) < 0) {
error_msg_and_die("Couldn't stat file %s", path);
}
}
/* Check that the input is sane. */
if (isatty(fileno(in_file)) && (flags & gunzip_force) == 0)
error_msg_and_die("compressed data not read from terminal. Use -f to force it.");
/* Set output filename and number */
if (flags & gunzip_test) {
out_file = xfopen("/dev/null", "w"); /* why does test use filenum 2 ? */
} else if (flags & gunzip_to_stdout) {
out_file = stdout;
} else {
char *extension;
int length = strlen(path);
extension = strrchr(path, '.');
if (extension && strcmp(extension, ".gz") == 0) {
length -= 3;
} else if (extension && strcmp(extension, ".tgz") == 0) {
length -= 4;
} else { } else {
error_msg_and_die("Invalid extension"); if ((in_file = wfopen(path, "r")) == NULL) {
return -1;
}
if (flags & gunzip_verbose) {
fprintf(stderr, "%s:\t", path);
}
/* set the buffer size */
setvbuf(in_file, NULL, _IOFBF, 0x8000);
/* Get the time stamp on the input file. */
if (stat(path, &stat_buf) < 0) {
error_msg_and_die("Couldn't stat file %s", path);
}
} }
out_path = xstrndup(path, length);
/* Open output file */
out_file = xfopen(out_path, "w");
/* Set permissions on the file */ /* Check that the input is sane. */
chmod(out_path, stat_buf.st_mode); if (isatty(fileno(in_file)) && (flags & gunzip_force) == 0) {
} error_msg_and_die
("compressed data not read from terminal. Use -f to force it.");
/* do the decompression, and cleanup */
if (unzip(in_file, out_file) == 0) {
/* Success, remove .gz file */
if ( !(flags & gunzip_to_stdout ))
delete_path = path;
if (flags & gunzip_verbose) {
fprintf(stderr, "OK\n");
} }
} else {
/* remove failed attempt */
delete_path = out_path;
}
if (out_file != stdout) /* Set output filename and number */
fclose(out_file); if (flags & gunzip_test) {
if (in_file != stdin) out_file = xfopen("/dev/null", "w"); /* why does test use filenum 2 ? */
fclose(in_file); } else if (flags & gunzip_to_stdout) {
out_file = stdout;
} else {
char *extension;
int length = strlen(path);
if (delete_path && !(flags & gunzip_test)) { extension = strrchr(path, '.');
if (unlink(delete_path) < 0) { if (extension && strcmp(extension, ".gz") == 0) {
error_msg_and_die("Couldn't remove %s", delete_path); length -= 3;
} else if (extension && strcmp(extension, ".tgz") == 0) {
length -= 4;
} else {
error_msg_and_die("Invalid extension");
}
out_path = xstrndup(path, length);
/* Open output file */
out_file = xfopen(out_path, "w");
/* Set permissions on the file */
chmod(out_path, stat_buf.st_mode);
} }
}
free(out_path); /* do the decompression, and cleanup */
if (unzip(in_file, out_file) == 0) {
/* Success, remove .gz file */
if (!(flags & gunzip_to_stdout)) {
delete_path = path;
}
if (flags & gunzip_verbose) {
fprintf(stderr, "OK\n");
}
} else {
/* remove failed attempt */
delete_path = out_path;
}
return 0; if (out_file != stdout) {
fclose(out_file);
}
if (in_file != stdin) {
fclose(in_file);
}
if (delete_path && !(flags & gunzip_test)) {
if (unlink(delete_path) < 0) {
error_msg_and_die("Couldn't remove %s", delete_path);
}
}
free(out_path);
return 0;
} }
extern int gunzip_main(int argc, char **argv) extern int gunzip_main(int argc, char **argv)
@ -164,8 +169,9 @@ extern int gunzip_main(int argc, char **argv)
int status = EXIT_SUCCESS; int status = EXIT_SUCCESS;
/* if called as zcat */ /* if called as zcat */
if (strcmp(applet_name, "zcat") == 0) if (strcmp(applet_name, "zcat") == 0) {
flags |= gunzip_to_stdout; flags |= gunzip_to_stdout;
}
while ((opt = getopt(argc, argv, "ctfhdqv")) != -1) { while ((opt = getopt(argc, argv, "ctfhdqv")) != -1) {
switch (opt) { switch (opt) {
@ -181,25 +187,27 @@ extern int gunzip_main(int argc, char **argv)
case 'v': case 'v':
flags |= gunzip_verbose; flags |= gunzip_verbose;
break; break;
case 'd': /* Used to convert gzip to gunzip. */ case 'd': /* Used to convert gzip to gunzip. */
break; break;
case 'q': case 'q':
error_msg("-q option not supported, ignored"); error_msg("-q option not supported, ignored");
break; break;
case 'h': case 'h':
default: default:
show_usage(); /* exit's inside usage */ show_usage(); /* exit's inside usage */
} }
} }
if (optind == argc) { if (optind == argc) {
if (gunzip_file (NULL, flags) < 0) if (gunzip_file(NULL, flags) < 0) {
status = EXIT_FAILURE; status = EXIT_FAILURE;
}
} else { } else {
for (i = optind; i < argc; i++) { for (i = optind; i < argc; i++) {
if (gunzip_file (argv[i], flags) < 0) if (gunzip_file(argv[i], flags) < 0) {
status = EXIT_FAILURE; status = EXIT_FAILURE;
} }
}
} }
return status; return status;
} }