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#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(__linux__) && !defined(__ANDROID__)
const char *sys_signame[NSIG] = {
"zero", "HUP", "INT", "QUIT", "ILL", "TRAP", "ABRT", "UNUSED", "FPE", "KILL", "USR1",
"SEGV", "USR2", "PIPE", "ALRM", "TERM", "STKFLT", "CHLD", "CONT", "STOP", "TSTP", "TTIN",
"TTOU", "URG", "XCPU", "XFSZ", "VTALRM", "PROF", "WINCH", "IO", "PWR", "SYS", NULL};
#endif
#if defined(_WIN32) || defined(__CYGWIN__)
#include <windows.h>
#undef NSIG
#define NSIG 33
const char *sys_signame[NSIG] = {
"zero", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", "EMT", "FPE", "KILL", "BUS",
"SEGV", "SYS", "PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", "CONT", "CHLD", "TTIN",
"TTOU", "IO", "XCPU", "XFSZ", "VTALRM", "PROF", "WINCH", "PWR", "USR1", "USR2", NULL};
#endif
void *xmalloc(size_t size) {
if (size == 0) return NULL;
void *p = malloc(size);
if (!p) abort();
return p;
}
void *xrealloc(void *p, size_t size) {
if ((size == 0) && (p == NULL)) return NULL;
p = realloc(p, size);
if (!p) abort();
return p;
}
char *uppercase(char *s) {
while(*s) {
*s = (char)toupper((int)*s);
s++;
}
return s;
}
char *lowercase(char *s) {
while(*s) {
*s = (char)tolower((int)*s);
s++;
}
return s;
}
bool endswith(const char *str, const char *suffix) {
size_t str_len = strlen(str);
size_t suffix_len = strlen(suffix);
return str_len > suffix_len && !strcmp(str + (str_len - suffix_len), suffix);
}
int get_sig_name(int sig, char *buf, size_t len) {
int n = snprintf(buf, len, "SIG%s", sig < NSIG ? sys_signame[sig] : "unknown");
uppercase(buf);
return n;
}
int get_sig(const char *sig_name) {
for (int sig = 1; sig < NSIG; sig++) {
const char *name = sys_signame[sig];
if (name != NULL && (strcasecmp(name, sig_name) == 0 || strcasecmp(name, sig_name + 3) == 0))
return sig;
}
return atoi(sig_name);
}
int open_uri(char *uri) {
#ifdef __APPLE__
char command[256];
sprintf(command, "open %s > /dev/null 2>&1", uri);
return system(command);
#elif defined(_WIN32) || defined(__CYGWIN__)
return ShellExecute(0, 0, uri, 0, 0, SW_SHOW) > (HINSTANCE)32 ? 0 : 1;
#else
// check if X server is running
if (system("xset -q > /dev/null 2>&1")) return 1;
char command[256];
sprintf(command, "xdg-open %s > /dev/null 2>&1", uri);
return system(command);
#endif
}
#ifdef _WIN32
char *strsep(char **sp, char *sep) {
char *p, *s;
if (sp == NULL || *sp == NULL || **sp == '\0') return (NULL);
s = *sp;
p = s + strcspn(s, sep);
if (*p != '\0') *p++ = '\0';
*sp = p;
return s;
}
const char *quote_arg(const char *arg) {
int len = 0, n = 0;
int force_quotes = 0;
char *q, *d;
const char *p = arg;
if (!*p) force_quotes = 1;
while (*p) {
if (isspace(*p) || *p == '*' || *p == '?' || *p == '{' || *p == '\'')
force_quotes = 1;
else if (*p == '"')
n++;
else if (*p == '\\') {
int count = 0;
while (*p == '\\') {
count++;
p++;
len++;
}
if (*p == '"' || !*p) n += count * 2 + 1;
continue;
}
len++;
p++;
}
if (!force_quotes && n == 0) return arg;
d = q = xmalloc(len + n + 3);
*d++ = '"';
while (*arg) {
if (*arg == '"')
*d++ = '\\';
else if (*arg == '\\') {
int count = 0;
while (*arg == '\\') {
count++;
*d++ = *arg++;
}
if (*arg == '"' || !*arg) {
while (count-- > 0) *d++ = '\\';
if (!*arg) break;
*d++ = '\\';
}
}
*d++ = *arg++;
}
*d++ = '"';
*d++ = '\0';
return q;
}
void print_error(char *func) {
LPVOID buffer;
DWORD dw = GetLastError();
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buffer, 0, NULL);
wprintf(L"== %s failed with error %d: %s", func, dw, buffer);
LocalFree(buffer);
}
#endif
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