124 lines
2.4 KiB
C
124 lines
2.4 KiB
C
/* Unix */
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#include <stdio.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <string.h>
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#include <signal.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <zlib.h>
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#ifdef FYAML
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#include <libfyaml.h>
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#endif
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#define PATHLEN 4096
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#define STRLEN 256
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int setcwd_c(const char *cwd){
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return chdir(cwd);
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}
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void getcwd_c(char cwd[], int *stat ){
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char cwd_tmp[PATHLEN+1];
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if(getcwd(cwd_tmp, sizeof(cwd_tmp))){
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strcpy(cwd,cwd_tmp); // getcwd guarantees a NULL-terminated string
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*stat = 0;
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}
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else{
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*stat = 1;
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}
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}
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void gethostname_c(char hostname[], int *stat){
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char hostname_tmp[STRLEN];
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if(gethostname(hostname_tmp, sizeof(hostname_tmp)) == 0){
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strncpy(hostname,hostname_tmp,sizeof(hostname_tmp)+1); // gethostname does not guarantee a NULL-terminated string
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*stat = 0;
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}
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else{
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*stat = 1;
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}
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}
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void getusername_c(char username[], int *stat){
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struct passwd *pw = getpwuid(getuid());
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if(pw && strlen(pw->pw_name) <= STRLEN){
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strncpy(username,pw->pw_name,STRLEN+1);
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*stat = 0;
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}
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else{
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*stat = 1;
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}
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}
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void signalint_c(void (*handler)(int)){
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signal(SIGINT, handler);
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}
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void signalusr1_c(void (*handler)(int)){
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signal(SIGUSR1, handler);
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}
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void signalusr2_c(void (*handler)(int)){
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signal(SIGUSR2, handler);
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}
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void inflate_c(const uLong *s_deflated, const uLong *s_inflated, const Byte deflated[], Byte inflated[]){
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/* make writable copy, uncompress will write to it */
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uLong s_inflated_,i;
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s_inflated_ = *s_inflated;
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if(uncompress((Bytef *)inflated, &s_inflated_, (Bytef *)deflated, *s_deflated) == Z_OK)
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return;
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else{
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for(i=0;i<*s_inflated;i++){
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inflated[i] = 0;
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}
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}
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}
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int stdout_isatty_c(){
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return isatty(STDOUT_FILENO);
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}
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int stderr_isatty_c(){
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return isatty(STDERR_FILENO);
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}
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int stdin_isatty_c(){
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return isatty(STDIN_FILENO);
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}
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#ifdef FYAML
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void to_flow_c(char **flow, long* length_flow, const char *mixed){
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struct fy_document *fyd = NULL;
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enum fy_emitter_cfg_flags emit_flags = FYECF_MODE_FLOW_ONELINE | FYECF_STRIP_LABELS | FYECF_STRIP_TAGS |FYECF_STRIP_DOC;
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fyd = fy_document_build_from_string(NULL, mixed, -1);
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if (!fyd) {
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*length_flow = -1;
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return;
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}
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int err = fy_document_resolve(fyd);
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if (err) {
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*length_flow = -1;
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return;
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}
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*flow = fy_emit_document_to_string(fyd,emit_flags);
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*length_flow = (long) strlen(*flow);
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fy_document_destroy(fyd);
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}
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#endif
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