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lib/atoi/getnum.[ch]: get_fd(): Add function for parsing a file descriptor from a string

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Reviewed-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar
2024-01-09 17:01:52 +01:00
parent 1557fac0a5
commit a80715448b
2 changed files with 11 additions and 0 deletions
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lib/atoi/getnum.c
+1
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@@ -10,5 +10,6 @@
#include "atoi/getnum.h"
extern inline int get_fd(const char *restrict fdstr, int *restrict fd);
extern inline int get_gid(const char *restrict gidstr, gid_t *restrict gid);
extern inline int get_pid(const char *restrict pidstr, pid_t *restrict pid);
lib/atoi/getnum.h
+10
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@@ -9,6 +9,7 @@
#include <config.h>
#include <limits.h>
#include <stddef.h>
#include <sys/types.h>
@@ -17,12 +18,21 @@
#include "typetraits.h"
ATTR_STRING(1) ATTR_ACCESS(write_only, 2)
inline int get_fd(const char *restrict fdstr, int *restrict fd);
ATTR_STRING(1) ATTR_ACCESS(write_only, 2)
inline int get_gid(const char *restrict gidstr, gid_t *restrict gid);
ATTR_STRING(1) ATTR_ACCESS(write_only, 2)
inline int get_pid(const char *restrict pidstr, pid_t *restrict pid);
inline int
get_fd(const char *restrict fdstr, int *restrict fd)
{
return a2si(fd, fdstr, NULL, 10, 0, INT_MAX);
}
inline int
get_gid(const char *restrict gidstr, gid_t *restrict gid)
{