137 lines
2.5 KiB
C
137 lines
2.5 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <assert.h>
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#include <errno.h>
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#include <limits.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "dtypes.h"
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#ifdef WIN32
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#include <malloc.h>
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#include <sys/timeb.h>
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#include <windows.h>
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#undef NO_ERROR
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#undef MOD_SHIFT
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#undef TRUE
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#undef FALSE
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#undef VOID
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#else
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#include <sys/time.h>
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#include <sys/poll.h>
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#include <unistd.h>
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#endif
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#include "dirpath.h"
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void get_cwd(char *buf, size_t size)
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{
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#ifndef WIN32
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getcwd(buf, size);
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#else
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GetCurrentDirectory(size, buf);
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#endif
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}
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int set_cwd(char *buf)
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{
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#ifndef WIN32
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if (chdir(buf) == -1)
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return 1;
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#else
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if (SetCurrentDirectory(buf) == 0)
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return 1;
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#endif
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return 0;
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}
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// destructively convert path to directory part
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void path_to_dirname(char *path)
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{
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char *sep = strrchr(path, PATHSEP);
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if (sep != NULL) {
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*sep = '\0';
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}
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else {
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path[0] = '\0';
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}
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}
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#ifdef LINUX
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char *get_exename(char *buf, size_t size)
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{
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char linkname[64]; /* /proc/<pid>/exe */
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pid_t pid;
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ssize_t ret;
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/* Get our PID and build the name of the link in /proc */
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pid = getpid();
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if (snprintf(linkname, sizeof(linkname), "/proc/%i/exe", pid) < 0)
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return NULL;
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/* Now read the symbolic link */
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ret = readlink(linkname, buf, size);
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/* In case of an error, leave the handling up to the caller */
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if (ret == -1)
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return NULL;
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/* Report insufficient buffer size */
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if ((size_t)ret >= size)
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return NULL;
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/* Ensure proper NUL termination */
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buf[ret] = 0;
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return buf;
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}
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#elif defined(OPENBSD)
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char *get_exename(char *buf, size_t size)
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{
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/* OpenBSD currently has no way of determining a processes pathname */
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return NULL;
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}
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#elif defined(__FreeBSD__)
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#include <sys/types.h>
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#include <sys/sysctl.h>
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char *get_exename(char *buf, size_t size)
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{
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int mib[4];
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mib[0] = CTL_KERN;
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mib[1] = KERN_PROC;
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mib[2] = KERN_PROC_PATHNAME;
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mib[3] = -1;
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sysctl(mib, 4, buf, &size, NULL, 0);
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return buf;
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}
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#elif defined(WIN32)
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char *get_exename(char *buf, size_t size)
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{
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if (GetModuleFileName(NULL, buf, size) == 0)
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return NULL;
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return buf;
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}
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#elif defined(MACOSX)
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#include <FlatCarbon/Processes.h>
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#include <FlatCarbon/Files.h>
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char *get_exename(char *buf, size_t size)
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{
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ProcessSerialNumber PSN;
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FSRef ref;
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if (GetCurrentProcess(&PSN) < 0 ||
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GetProcessBundleLocation(&PSN, &ref) < 0 ||
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FSRefMakePath(&ref, buf, size) < 0)
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return NULL;
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return buf;
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}
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#endif
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