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Message-ID: <20240804124145.30659-1-contact@hacktivis.me>
Date: Sun, 4 Aug 2024 14:41:44 +0200
From: contact@...ktivis.me
To: musl@...ts.openwall.com
Cc: "Haelwenn (lanodan) Monnier" <contact@...ktivis.me>
Subject: [PATCH 1/2] signal: add sig2str(3) from POSIX.1-2024
From: "Haelwenn (lanodan) Monnier" <contact@...ktivis.me>
---
include/signal.h | 3 +++
src/signal/sig2str.c | 59 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 62 insertions(+)
create mode 100644 src/signal/sig2str.c
diff --git a/include/signal.h b/include/signal.h
index c347f861..217cfa08 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -233,6 +233,9 @@ int pthread_kill(pthread_t, int);
void psiginfo(const siginfo_t *, const char *);
void psignal(int, const char *);
+#define SIG2STR_MAX sizeof("RTMIN+32")
+int sig2str(int signum, char *str);
+
#endif
#if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
diff --git a/src/signal/sig2str.c b/src/signal/sig2str.c
new file mode 100644
index 00000000..85f64ec6
--- /dev/null
+++ b/src/signal/sig2str.c
@@ -0,0 +1,59 @@
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+
+int sig2str(int signum, char *str)
+{
+ const char *name = NULL;
+ switch(signum)
+ {
+ case SIGHUP: name = "HUP"; break;
+ case SIGINT: name = "INT"; break;
+ case SIGQUIT: name = "QUIT"; break;
+ case SIGILL: name = "ILL"; break;
+ case SIGTRAP: name = "TRAP"; break;
+ case SIGABRT: name = "ABRT"; break;
+ case SIGBUS: name = "BUS"; break;
+ case SIGFPE: name = "FPE"; break;
+ case SIGKILL: name = "KILL"; break;
+ case SIGUSR1: name = "USR1"; break;
+ case SIGSEGV: name = "SEGV"; break;
+ case SIGUSR2: name = "USR2"; break;
+ case SIGPIPE: name = "PIPE"; break;
+ case SIGALRM: name = "ALRM"; break;
+ case SIGTERM: name = "TERM"; break;
+ case SIGSTKFLT: name = "STKFLT"; break;
+ case SIGCHLD: name = "CHLD"; break;
+ case SIGCONT: name = "CONT"; break;
+ case SIGSTOP: name = "STOP"; break;
+ case SIGTSTP: name = "TSTP"; break;
+ case SIGTTIN: name = "TTIN"; break;
+ case SIGTTOU: name = "TTOU"; break;
+ case SIGURG: name = "URG"; break;
+ case SIGXCPU: name = "XCPU"; break;
+ case SIGXFSZ: name = "XFSZ"; break;
+ case SIGVTALRM: name = "VTALRM"; break;
+ case SIGPROF: name = "PROF"; break;
+ case SIGWINCH: name = "WINCH"; break;
+ case SIGIO: name = "IO"; break;
+ case SIGPWR: name = "PWR"; break;
+ case SIGSYS: name = "SYS"; break;
+ }
+
+ // macros to functions can't be in switch-case
+ if(signum == SIGRTMIN) name = "RTMIN";
+ if(signum == SIGRTMAX) name = "RTMAX";
+
+ if(SIGRTMIN+1 <= signum && signum <= SIGRTMAX-1)
+ {
+ if(snprintf(str, SIG2STR_MAX, "RTMIN+%i", signum-SIGRTMIN) < 0) return -1;
+
+ return 0;
+ }
+
+ if(name == NULL) return -1;
+
+ strcpy(str, name);
+
+ return 0;
+}
--
2.44.2
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