X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fbasic%2Fparse-util.c;h=29012b837638b059dc8bb533a9da0c732b612382;hb=b5e3f1e02c74ad1c8a070a4b2ddd1398528c337e;hp=e50355977e7d438ca80aa5ba1733146d163af128;hpb=da2587d5154e11d4e643e326793f3ce2cc48dee6;p=elogind.git
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index e50355977..29012b837 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
@@ -19,11 +17,19 @@
along with systemd; If not, see .
***/
+#include
+#include
+#include
+#include
+#include
+#include
+//#include
+
#include "alloc-util.h"
//#include "extract-word.h"
+#include "macro.h"
#include "parse-util.h"
#include "string-util.h"
-#include "util.h"
int parse_boolean(const char *v) {
assert(v);
@@ -73,7 +79,7 @@ int parse_mode(const char *s, mode_t *ret) {
errno = 0;
l = strtol(s, &x, 8);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -168,7 +174,7 @@ int parse_size(const char *t, uint64_t base, uint64_t *size) {
errno = 0;
l = strtoull(p, &e, 10);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (e == p)
return -EINVAL;
@@ -184,7 +190,7 @@ int parse_size(const char *t, uint64_t base, uint64_t *size) {
char *e2;
l2 = strtoull(e, &e2, 10);
- if (errno != 0)
+ if (errno > 0)
return -errno;
/* Ignore failure. E.g. 10.M is valid */
@@ -324,7 +330,7 @@ int safe_atou(const char *s, unsigned *ret_u) {
errno = 0;
l = strtoul(s, &x, 0);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -346,7 +352,7 @@ int safe_atoi(const char *s, int *ret_i) {
errno = 0;
l = strtol(s, &x, 0);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -368,7 +374,7 @@ int safe_atollu(const char *s, long long unsigned *ret_llu) {
errno = 0;
l = strtoull(s, &x, 0);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -388,7 +394,7 @@ int safe_atolli(const char *s, long long int *ret_lli) {
errno = 0;
l = strtoll(s, &x, 0);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -408,7 +414,7 @@ int safe_atou8(const char *s, uint8_t *ret) {
errno = 0;
l = strtoul(s, &x, 0);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -432,7 +438,7 @@ int safe_atou16(const char *s, uint16_t *ret) {
errno = 0;
l = strtoul(s, &x, 0);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -454,7 +460,7 @@ int safe_atoi16(const char *s, int16_t *ret) {
errno = 0;
l = strtol(s, &x, 0);
- if (errno != 0)
+ if (errno > 0)
return -errno;
if (!x || x == s || *x)
return -EINVAL;
@@ -479,7 +485,7 @@ int safe_atod(const char *s, double *ret_d) {
errno = 0;
d = strtod_l(s, &x, loc);
- if (errno != 0) {
+ if (errno > 0) {
freelocale(loc);
return -errno;
}
@@ -492,3 +498,39 @@ int safe_atod(const char *s, double *ret_d) {
*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;
+}