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-rw-r--r--src/basic/parse-util.c576
1 files changed, 0 insertions, 576 deletions
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
deleted file mode 100644
index c98815b9bc..0000000000
--- a/src/basic/parse-util.c
+++ /dev/null
@@ -1,576 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd 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.
-
- systemd 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.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <inttypes.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <xlocale.h>
-
-#include "alloc-util.h"
-#include "extract-word.h"
-#include "macro.h"
-#include "parse-util.h"
-#include "process-util.h"
-#include "string-util.h"
-
-int parse_boolean(const char *v) {
- assert(v);
-
- if (streq(v, "1") || strcaseeq(v, "yes") || strcaseeq(v, "y") || strcaseeq(v, "true") || strcaseeq(v, "t") || strcaseeq(v, "on"))
- return 1;
- else if (streq(v, "0") || strcaseeq(v, "no") || strcaseeq(v, "n") || strcaseeq(v, "false") || strcaseeq(v, "f") || strcaseeq(v, "off"))
- return 0;
-
- return -EINVAL;
-}
-
-int parse_pid(const char *s, pid_t* ret_pid) {
- unsigned long ul = 0;
- pid_t pid;
- int r;
-
- assert(s);
- assert(ret_pid);
-
- r = safe_atolu(s, &ul);
- if (r < 0)
- return r;
-
- pid = (pid_t) ul;
-
- if ((unsigned long) pid != ul)
- return -ERANGE;
-
- if (pid <= 0)
- return -ERANGE;
-
- *ret_pid = pid;
- return 0;
-}
-
-int parse_mode(const char *s, mode_t *ret) {
- char *x;
- long l;
-
- assert(s);
- assert(ret);
-
- s += strspn(s, WHITESPACE);
- if (s[0] == '-')
- return -ERANGE;
-
- errno = 0;
- l = strtol(s, &x, 8);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
- if (l < 0 || l > 07777)
- return -ERANGE;
-
- *ret = (mode_t) l;
- return 0;
-}
-
-int parse_ifindex(const char *s, int *ret) {
- int ifi, r;
-
- r = safe_atoi(s, &ifi);
- if (r < 0)
- return r;
- if (ifi <= 0)
- return -EINVAL;
-
- *ret = ifi;
- return 0;
-}
-
-int parse_size(const char *t, uint64_t base, uint64_t *size) {
-
- /* Soo, sometimes we want to parse IEC binary suffixes, and
- * sometimes SI decimal suffixes. This function can parse
- * both. Which one is the right way depends on the
- * context. Wikipedia suggests that SI is customary for
- * hardware metrics and network speeds, while IEC is
- * customary for most data sizes used by software and volatile
- * (RAM) memory. Hence be careful which one you pick!
- *
- * In either case we use just K, M, G as suffix, and not Ki,
- * Mi, Gi or so (as IEC would suggest). That's because that's
- * frickin' ugly. But this means you really need to make sure
- * to document which base you are parsing when you use this
- * call. */
-
- struct table {
- const char *suffix;
- unsigned long long factor;
- };
-
- static const struct table iec[] = {
- { "E", 1024ULL*1024ULL*1024ULL*1024ULL*1024ULL*1024ULL },
- { "P", 1024ULL*1024ULL*1024ULL*1024ULL*1024ULL },
- { "T", 1024ULL*1024ULL*1024ULL*1024ULL },
- { "G", 1024ULL*1024ULL*1024ULL },
- { "M", 1024ULL*1024ULL },
- { "K", 1024ULL },
- { "B", 1ULL },
- { "", 1ULL },
- };
-
- static const struct table si[] = {
- { "E", 1000ULL*1000ULL*1000ULL*1000ULL*1000ULL*1000ULL },
- { "P", 1000ULL*1000ULL*1000ULL*1000ULL*1000ULL },
- { "T", 1000ULL*1000ULL*1000ULL*1000ULL },
- { "G", 1000ULL*1000ULL*1000ULL },
- { "M", 1000ULL*1000ULL },
- { "K", 1000ULL },
- { "B", 1ULL },
- { "", 1ULL },
- };
-
- const struct table *table;
- const char *p;
- unsigned long long r = 0;
- unsigned n_entries, start_pos = 0;
-
- assert(t);
- assert(base == 1000 || base == 1024);
- assert(size);
-
- if (base == 1000) {
- table = si;
- n_entries = ELEMENTSOF(si);
- } else {
- table = iec;
- n_entries = ELEMENTSOF(iec);
- }
-
- p = t;
- do {
- unsigned long long l, tmp;
- double frac = 0;
- char *e;
- unsigned i;
-
- p += strspn(p, WHITESPACE);
-
- errno = 0;
- l = strtoull(p, &e, 10);
- if (errno > 0)
- return -errno;
- if (e == p)
- return -EINVAL;
- if (*p == '-')
- return -ERANGE;
-
- if (*e == '.') {
- e++;
-
- /* strtoull() itself would accept space/+/- */
- if (*e >= '0' && *e <= '9') {
- unsigned long long l2;
- char *e2;
-
- l2 = strtoull(e, &e2, 10);
- if (errno > 0)
- return -errno;
-
- /* Ignore failure. E.g. 10.M is valid */
- frac = l2;
- for (; e < e2; e++)
- frac /= 10;
- }
- }
-
- e += strspn(e, WHITESPACE);
-
- for (i = start_pos; i < n_entries; i++)
- if (startswith(e, table[i].suffix))
- break;
-
- if (i >= n_entries)
- return -EINVAL;
-
- if (l + (frac > 0) > ULLONG_MAX / table[i].factor)
- return -ERANGE;
-
- tmp = l * table[i].factor + (unsigned long long) (frac * table[i].factor);
- if (tmp > ULLONG_MAX - r)
- return -ERANGE;
-
- r += tmp;
- if ((unsigned long long) (uint64_t) r != r)
- return -ERANGE;
-
- p = e + strlen(table[i].suffix);
-
- start_pos = i + 1;
-
- } while (*p);
-
- *size = r;
-
- return 0;
-}
-
-int parse_range(const char *t, unsigned *lower, unsigned *upper) {
- _cleanup_free_ char *word = NULL;
- unsigned l, u;
- int r;
-
- assert(lower);
- assert(upper);
-
- /* Extract the lower bound. */
- r = extract_first_word(&t, &word, "-", EXTRACT_DONT_COALESCE_SEPARATORS);
- if (r < 0)
- return r;
- if (r == 0)
- return -EINVAL;
-
- r = safe_atou(word, &l);
- if (r < 0)
- return r;
-
- /* Check for the upper bound and extract it if needed */
- if (!t)
- /* Single number with no dashes. */
- u = l;
- else if (!*t)
- /* Trailing dash is an error. */
- return -EINVAL;
- else {
- r = safe_atou(t, &u);
- if (r < 0)
- return r;
- }
-
- *lower = l;
- *upper = u;
- return 0;
-}
-
-char *format_bytes(char *buf, size_t l, uint64_t t) {
- unsigned i;
-
- /* This only does IEC units so far */
-
- static const struct {
- const char *suffix;
- uint64_t factor;
- } table[] = {
- { "E", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
- { "P", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
- { "T", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
- { "G", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
- { "M", UINT64_C(1024)*UINT64_C(1024) },
- { "K", UINT64_C(1024) },
- };
-
- if (t == (uint64_t) -1)
- return NULL;
-
- for (i = 0; i < ELEMENTSOF(table); i++) {
-
- if (t >= table[i].factor) {
- snprintf(buf, l,
- "%" PRIu64 ".%" PRIu64 "%s",
- t / table[i].factor,
- ((t*UINT64_C(10)) / table[i].factor) % UINT64_C(10),
- table[i].suffix);
-
- goto finish;
- }
- }
-
- snprintf(buf, l, "%" PRIu64 "B", t);
-
-finish:
- buf[l-1] = 0;
- return buf;
-
-}
-
-int safe_atou(const char *s, unsigned *ret_u) {
- char *x = NULL;
- unsigned long l;
-
- assert(s);
- assert(ret_u);
-
- /* strtoul() is happy to parse negative values, and silently
- * converts them to unsigned values without generating an
- * error. We want a clean error, hence let's look for the "-"
- * prefix on our own, and generate an error. But let's do so
- * only after strtoul() validated that the string is clean
- * otherwise, so that we return EINVAL preferably over
- * ERANGE. */
-
- s += strspn(s, WHITESPACE);
-
- errno = 0;
- l = strtoul(s, &x, 0);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
- if (s[0] == '-')
- return -ERANGE;
- if ((unsigned long) (unsigned) l != l)
- return -ERANGE;
-
- *ret_u = (unsigned) l;
- return 0;
-}
-
-int safe_atoi(const char *s, int *ret_i) {
- char *x = NULL;
- long l;
-
- assert(s);
- assert(ret_i);
-
- errno = 0;
- l = strtol(s, &x, 0);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
- if ((long) (int) l != l)
- return -ERANGE;
-
- *ret_i = (int) l;
- return 0;
-}
-
-int safe_atollu(const char *s, long long unsigned *ret_llu) {
- char *x = NULL;
- unsigned long long l;
-
- assert(s);
- assert(ret_llu);
-
- s += strspn(s, WHITESPACE);
-
- errno = 0;
- l = strtoull(s, &x, 0);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
- if (*s == '-')
- return -ERANGE;
-
- *ret_llu = l;
- return 0;
-}
-
-int safe_atolli(const char *s, long long int *ret_lli) {
- char *x = NULL;
- long long l;
-
- assert(s);
- assert(ret_lli);
-
- errno = 0;
- l = strtoll(s, &x, 0);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
-
- *ret_lli = l;
- return 0;
-}
-
-int safe_atou8(const char *s, uint8_t *ret) {
- char *x = NULL;
- unsigned long l;
-
- assert(s);
- assert(ret);
-
- s += strspn(s, WHITESPACE);
-
- errno = 0;
- l = strtoul(s, &x, 0);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
- if (s[0] == '-')
- return -ERANGE;
- if ((unsigned long) (uint8_t) l != l)
- return -ERANGE;
-
- *ret = (uint8_t) l;
- return 0;
-}
-
-int safe_atou16(const char *s, uint16_t *ret) {
- char *x = NULL;
- unsigned long l;
-
- assert(s);
- assert(ret);
-
- s += strspn(s, WHITESPACE);
-
- errno = 0;
- l = strtoul(s, &x, 0);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
- if (s[0] == '-')
- return -ERANGE;
- if ((unsigned long) (uint16_t) l != l)
- return -ERANGE;
-
- *ret = (uint16_t) l;
- return 0;
-}
-
-int safe_atoi16(const char *s, int16_t *ret) {
- char *x = NULL;
- long l;
-
- assert(s);
- assert(ret);
-
- errno = 0;
- l = strtol(s, &x, 0);
- if (errno > 0)
- return -errno;
- if (!x || x == s || *x)
- return -EINVAL;
- if ((long) (int16_t) l != l)
- return -ERANGE;
-
- *ret = (int16_t) l;
- return 0;
-}
-
-int safe_atod(const char *s, double *ret_d) {
- char *x = NULL;
- double d = 0;
- locale_t loc;
-
- assert(s);
- assert(ret_d);
-
- loc = newlocale(LC_NUMERIC_MASK, "C", (locale_t) 0);
- if (loc == (locale_t) 0)
- return -errno;
-
- errno = 0;
- d = strtod_l(s, &x, loc);
- if (errno > 0) {
- freelocale(loc);
- return -errno;
- }
- if (!x || x == s || *x) {
- freelocale(loc);
- return -EINVAL;
- }
-
- freelocale(loc);
- *ret_d = (double) d;
- return 0;
-}
-
-int parse_fractional_part_u(const char **p, size_t digits, unsigned *res) {
- size_t i;
- unsigned val = 0;
- const char *s;
-
- s = *p;
-
- /* accept any number of digits, strtoull is limted to 19 */
- for (i=0; i < digits; i++,s++) {
- if (*s < '0' || *s > '9') {
- if (i == 0)
- return -EINVAL;
-
- /* too few digits, pad with 0 */
- for (; i < digits; i++)
- val *= 10;
-
- break;
- }
-
- val *= 10;
- val += *s - '0';
- }
-
- /* maybe round up */
- if (*s >= '5' && *s <= '9')
- val++;
-
- s += strspn(s, DIGITS);
-
- *p = s;
- *res = val;
-
- return 0;
-}
-
-int parse_percent_unbounded(const char *p) {
- const char *pc, *n;
- unsigned v;
- int r;
-
- pc = endswith(p, "%");
- if (!pc)
- return -EINVAL;
-
- n = strndupa(p, pc - p);
- r = safe_atou(n, &v);
- if (r < 0)
- return r;
-
- return (int) v;
-}
-
-int parse_percent(const char *p) {
- int v;
-
- v = parse_percent_unbounded(p);
- if (v > 100)
- return -ERANGE;
-
- return v;
-}
-
-int parse_nice(const char *p, int *ret) {
- int n, r;
-
- r = safe_atoi(p, &n);
- if (r < 0)
- return r;
-
- if (!nice_is_valid(n))
- return -ERANGE;
-
- *ret = n;
- return 0;
-}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-01 01:48:57 +0000