mirror of https://github.com/xzeldon/htop.git
Protect against strange values of SIGRTMIN and SIGRTMAX,
and change alignment of numbers.
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46d8f2eef2
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@ -40,25 +40,16 @@ Panel* SignalsPanel_new() {
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}
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}
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#if (defined(SIGRTMIN) && defined(SIGRTMAX))
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// Real-time signals.
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// SIGRTMIN and SIGRTMAX expand to libc internal functions and we have to
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// grab their numbers at runtime.
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static char buf[15]; // 15 == sizeof("xx SIGRTMIN+nn")
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int rtmax;
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for (int sig = SIGRTMIN; sig <= (rtmax = SIGRTMAX); i++, sig++) {
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// Every signal between SIGRTMIN and SIGRTMAX are denoted in "SIGRTMIN+n"
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// notation. This matches glibc's strsignal(3) behavior.
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// We deviate from behaviors of Bash, ksh and Solaris intentionally.
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if (sig == rtmax) {
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snprintf(buf, 15, "%2d SIGRTMAX", sig);
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} else {
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if (SIGRTMAX - SIGRTMIN <= 100) {
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static char buf[15];
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for (int sig = SIGRTMIN; sig <= SIGRTMAX; i++, sig++) {
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int n = sig - SIGRTMIN;
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snprintf(buf, 15, "%2d SIGRTMIN%+d", sig, n);
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snprintf(buf, 15, "%2d SIGRTMIN%-+3d", sig, n);
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if (n == 0) {
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buf[11] = '\0';
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}
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Panel_set(this, i, (Object*) ListItem_new(buf, sig));
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}
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Panel_set(this, i, (Object*) ListItem_new(buf, sig));
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}
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#endif
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Panel_setHeader(this, "Send signal:");
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