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conf: add safe_strtoll_base() like safe_strtol_base()

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-11-29 15:01:32 +01:00
parent 7ffe3d4162
commit 32d332b786
2 changed files with 9 additions and 6 deletions
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2
include/local.h
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@ -232,6 +232,8 @@ size_t page_align(size_t size);
size_t page_size(void);
size_t page_ptr(size_t object_offset, size_t object_size, size_t *offset, size_t *mmap_offset);
int safe_strtoll_base(const char *str, long long *val, int base);
static inline int safe_strtoll(const char *str, long long *val) { return safe_strtoll_base(str, val, 0); }
int safe_strtol_base(const char *str, long *val, int base);
static inline int safe_strtol(const char *str, long *val) { return safe_strtol_base(str, val, 0); }

13
src/conf.c
View file

@ -653,16 +653,17 @@ static int input_stdio_open(snd_input_t **inputp, const char *file,
return err;
}
static int safe_strtoll(const char *str, long long *val)
int safe_strtoll_base(const char *str, long long *val, int base)
{
long long v;
int endidx;
char *end;
long v;
if (!*str)
return -EINVAL;
errno = 0;
if (sscanf(str, "%lli%n", &v, &endidx) < 1)
return -EINVAL;
if (str[endidx])
v = strtoll(str, &end, base);
if (errno)
return -errno;
if (*end)
return -EINVAL;
*val = v;
return 0;