DAMASK_EICMD/src/C_routines.c

75 lines
1.8 KiB
C

/* Unix */
#include <stdio.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "zlib.h"
/* http://stackoverflow.com/questions/30279228/is-there-an-alternative-to-getcwd-in-fortran-2003-2008 */
int isdirectory_c(const char *dir){
struct stat statbuf;
if(stat(dir, &statbuf) != 0) /* error */
return 0; /* return "NO, this is not a directory" */
return S_ISDIR(statbuf.st_mode); /* 1 => is directory, 0 => this is NOT a directory */
}
void getcurrentworkdir_c(char cwd[], int *stat ){
char cwd_tmp[4096];
if(getcwd(cwd_tmp, sizeof(cwd_tmp)) == cwd_tmp){
strcpy(cwd,cwd_tmp);
*stat = 0;
}
else{
*stat = 1;
}
}
void gethostname_c(char hostname[], int *stat){
char hostname_tmp[4096];
if(gethostname(hostname_tmp, sizeof(hostname_tmp)) == 0){
strcpy(hostname,hostname_tmp);
*stat = 0;
}
else{
*stat = 1;
}
}
int chdir_c(const char *dir){
return chdir(dir);
}
void signalterm_c(void (*handler)(int)){
signal(SIGTERM, handler);
}
void signalusr1_c(void (*handler)(int)){
signal(SIGUSR1, handler);
}
void signalusr2_c(void (*handler)(int)){
signal(SIGUSR2, handler);
}
void inflate_c(const uLong *s_deflated, const uLong *s_inflated, const Byte deflated[], Byte inflated[]){
/* make writable copy, uncompress will write to it */
uLong s_inflated_,i;
s_inflated_ = *s_inflated;
if(uncompress((Bytef *)inflated, &s_inflated_, (Bytef *)deflated, *s_deflated) == Z_OK)
return;
else{
for(i=0;i<*s_inflated;i++){
inflated[i] = 0;
}
}
}