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Mon, 29 Jan 2024 22:32:06 GMT (envelope-from git) Date: Mon, 29 Jan 2024 22:32:06 GMT Message-Id: <202401292232.40TMW6cf013274@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Olivier Certner Subject: git: 90e914cd5ac1 - main - New login_getcapenum(): Allows to read named enum values List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: olce X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 90e914cd5ac1c8ecbf1ea88e9a65e7fa866c17a9 Auto-Submitted: auto-generated The branch main has been updated by olce: URL: https://cgit.FreeBSD.org/src/commit/?id=90e914cd5ac1c8ecbf1ea88e9a65e7fa866c17a9 commit 90e914cd5ac1c8ecbf1ea88e9a65e7fa866c17a9 Author: Olivier Certner AuthorDate: 2023-06-20 16:41:32 +0000 Commit: Olivier Certner CommitDate: 2024-01-29 21:58:05 +0000 New login_getcapenum(): Allows to read named enum values Reviewed by: emaste Approved by: emaste (mentor) MFC after: 3 days Sponsored by: Kumacom SAS Differential Revision: https://reviews.freebsd.org/D40684 --- lib/libutil/login_cap.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ lib/libutil/login_cap.h | 2 ++ 2 files changed, 48 insertions(+) diff --git a/lib/libutil/login_cap.c b/lib/libutil/login_cap.c index f5e444adeaa3..0d7becacbfc7 100644 --- a/lib/libutil/login_cap.c +++ b/lib/libutil/login_cap.c @@ -760,6 +760,52 @@ login_getcapnum(login_cap_t *lc, const char *cap, rlim_t def, rlim_t error) return val; } +/* + * Extract a string capability expected to hold a specific value from a list. + * + * 'values' must be a NULL-terminated array of strings listing the possible + * values. + * + * A non-negative return code indicates success, and is the index of the value + * in 'values' the capability is set to. + * + * Negative return codes indicate an error: + * -4: 'lc' or 'cap' insufficiently initialized or not valid. + * -3: System error (allocation failure). + * -2: Capability not found or not a string. + * -1: Capability has a string value, but not one listed in 'values'. + */ +int +login_getcapenum(login_cap_t *lc, const char *cap, const char * const *values) +{ + int ret, i; + char *cand; + const char * const *val; + + if (lc == NULL || lc->lc_cap == NULL || cap == NULL || *cap == '\0') + return (-4); + + ret = cgetstr(lc->lc_cap, cap, &cand); + + if (ret == -1) + /* Cap not found. */ + return (-2); + else if (ret < 0) + /* System error (normally, allocation failure). */ + return (-3); + + ret = -1; + + for (i = 0, val = values; *val != NULL; val++) + if (strcmp(cand, *val) == 0) { + ret = i; + break; + } + + free(cand); + return (ret); +} + /* diff --git a/lib/libutil/login_cap.h b/lib/libutil/login_cap.h index 7312914900a8..0037b41d9055 100644 --- a/lib/libutil/login_cap.h +++ b/lib/libutil/login_cap.h @@ -110,6 +110,8 @@ const char **login_getcaplist(login_cap_t *, const char *, const char *); const char *login_getstyle(login_cap_t *, const char *, const char *); rlim_t login_getcaptime(login_cap_t *, const char *, rlim_t, rlim_t); rlim_t login_getcapnum(login_cap_t *, const char *, rlim_t, rlim_t); +int login_getcapenum(login_cap_t *lc, const char *cap, + const char * const *values); rlim_t login_getcapsize(login_cap_t *, const char *, rlim_t, rlim_t); const char *login_getpath(login_cap_t *, const char *, const char *); int login_getcapbool(login_cap_t *, const char *, int);