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Diffstat (limited to 'src/lzma/util.c')
| -rw-r--r-- | src/lzma/util.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/src/lzma/util.c b/src/lzma/util.c deleted file mode 100644 index 13b67925..00000000 --- a/src/lzma/util.c +++ /dev/null @@ -1,199 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \file util.c -/// \brief Miscellaneous utility functions -// -// Copyright (C) 2007 Lasse Collin -// -// This program is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 2.1 of the License, or (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Lesser General Public License for more details. -// -/////////////////////////////////////////////////////////////////////////////// - -#include "private.h" - - -extern void * -xrealloc(void *ptr, size_t size) -{ - assert(size > 0); - - ptr = realloc(ptr, size); - if (ptr == NULL) - message_fatal("%s", strerror(errno)); - - return ptr; -} - - -extern char * -xstrdup(const char *src) -{ - assert(src != NULL); - const size_t size = strlen(src) + 1; - char *dest = xmalloc(size); - return memcpy(dest, src, size); -} - - -extern uint64_t -str_to_uint64(const char *name, const char *value, uint64_t min, uint64_t max) -{ - uint64_t result = 0; - - // Skip blanks. - while (*value == ' ' || *value == '\t') - ++value; - - if (*value < '0' || *value > '9') - message_fatal(_("%s: Value is not a non-negative " - "decimal integer"), value); - - do { - // Don't overflow. - if (result > (UINT64_MAX - 9) / 10) - goto error; - - result *= 10; - result += *value - '0'; - ++value; - } while (*value >= '0' && *value <= '9'); - - if (*value != '\0') { - // Look for suffix. - static const struct { - const char name[4]; - uint64_t multiplier; - } suffixes[] = { - { "k", UINT64_C(1000) }, - { "kB", UINT64_C(1000) }, - { "M", UINT64_C(1000000) }, - { "MB", UINT64_C(1000000) }, - { "G", UINT64_C(1000000000) }, - { "GB", UINT64_C(1000000000) }, - { "Ki", UINT64_C(1024) }, - { "KiB", UINT64_C(1024) }, - { "Mi", UINT64_C(1048576) }, - { "MiB", UINT64_C(1048576) }, - { "Gi", UINT64_C(1073741824) }, - { "GiB", UINT64_C(1073741824) } - }; - - uint64_t multiplier = 0; - for (size_t i = 0; i < ARRAY_SIZE(suffixes); ++i) { - if (strcmp(value, suffixes[i].name) == 0) { - multiplier = suffixes[i].multiplier; - break; - } - } - - if (multiplier == 0) { - message(V_ERROR, _("%s: Invalid multiplier suffix. " - "Valid suffixes:"), value); - message_fatal("`k' (10^3), `M' (10^6), `G' (10^9) " - "`Ki' (2^10), `Mi' (2^20), " - "`Gi' (2^30)"); - } - - // Don't overflow here either. - if (result > UINT64_MAX / multiplier) - goto error; - - result *= multiplier; - } - - if (result < min || result > max) - goto error; - - return result; - -error: - message_fatal(_("Value of the option `%s' must be in the range " - "[%llu, %llu]"), name, - (unsigned long long)(min), - (unsigned long long)(max)); -} - - -/* -/// \brief Simple quoting to get rid of ASCII control characters -/// -/// This is not so cool and locale-dependent, but should be good enough -/// At least we don't print any control characters on the terminal. -/// -extern char * -str_quote(const char *str) -{ - size_t dest_len = 0; - bool has_ctrl = false; - - while (str[dest_len] != '\0') - if (*(unsigned char *)(str + dest_len++) < 0x20) - has_ctrl = true; - - char *dest = malloc(dest_len + 1); - if (dest != NULL) { - if (has_ctrl) { - for (size_t i = 0; i < dest_len; ++i) - if (*(unsigned char *)(str + i) < 0x20) - dest[i] = '?'; - else - dest[i] = str[i]; - - dest[dest_len] = '\0'; - - } else { - // Usually there are no control characters, - // so we can optimize. - memcpy(dest, str, dest_len + 1); - } - } - - return dest; -} -*/ - - -extern bool -is_empty_filename(const char *filename) -{ - if (filename[0] == '\0') { - message_error(_("Empty filename, skipping")); - return true; - } - - return false; -} - - -extern bool -is_tty_stdin(void) -{ - const bool ret = isatty(STDIN_FILENO); - - if (ret) - message_error(_("Compressed data not read from a terminal " - "unless `--force' is used.")); - - return ret; -} - - -extern bool -is_tty_stdout(void) -{ - const bool ret = isatty(STDOUT_FILENO); - - if (ret) - message_error(_("Compressed data not written to a terminal " - "unless `--force' is used.")); - - return ret; -} |