From ae0520e57267dbd866fc8cd25f66f4e6af2ac118 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 13 Jul 2020 15:59:30 +0200
Subject: Move c files into src directory

---
 program.c | 111 --------------------------------------------------------------
 1 file changed, 111 deletions(-)
 delete mode 100644 program.c

(limited to 'program.c')

diff --git a/program.c b/program.c
deleted file mode 100644
index c396695..0000000
--- a/program.c
+++ /dev/null
@@ -1,111 +0,0 @@
-#include "program.h"
-#include "buffer.h"
-#include <unistd.h>
-#include <sys/wait.h>
-#include <sys/prctl.h>
-#include <errno.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-
-#define READ_END 0
-#define WRITE_END 1
-
-int program_buffer_write_callback(char *data, int size, void *userdata) {
-    Buffer *buffer = userdata;
-    buffer_append(buffer, data, size);
-    return 0;
-}
-
-int program_exec(const char **args, ProgramOutputCallback output_callback, void *userdata) {
-    /* 1 arguments */
-    if(args[0] == NULL)
-        return -1;
-    
-    int fd[2];
-    if(pipe(fd) == -1) {
-        perror("Failed to open pipe");
-        return -2;
-    }
-
-    pid_t parent_pid = getpid();
-
-    pid_t pid = fork();
-    if(pid == -1) {
-        perror("Failed to fork");
-        return -3;
-    } else if(pid == 0) { /* child */
-        if(prctl(PR_SET_PDEATHSIG, SIGTERM) == -1) {
-            perror("prctl(PR_SET_PDEATHSIG, SIGTERM) failed");
-            exit(127);
-        }
-
-        /* Test if the parent died before the above call to prctl */
-        if(getppid() != parent_pid)
-            exit(127);
-
-        dup2(fd[WRITE_END], STDOUT_FILENO);
-        close(fd[READ_END]);
-        close(fd[WRITE_END]);
-
-        execvp(args[0], (char* const*)args);
-        perror("execvp");
-        exit(127);
-    } else { /* parent */
-        close(fd[WRITE_END]);
-
-        int result = 0;
-        int status;
-
-        char buffer[4097];
-
-        if(output_callback) {
-            for(;;) {
-                ssize_t bytes_read = read(fd[READ_END], buffer, sizeof(buffer) - 1);
-                if(bytes_read == 0) {
-                    break;
-                } else if(bytes_read == -1) {
-                    int err = errno;
-                    fprintf(stderr, "Failed to read from pipe to program %s, error: %s\n", args[0], strerror(err));
-                    result = -err;
-                    goto cleanup;
-                }
-
-                buffer[bytes_read] = '\0';
-                if(output_callback(buffer, bytes_read, userdata) != 0)
-                    break;
-            }
-        }
-
-        if(waitpid(pid, &status, 0) == -1) {
-            perror("waitpid failed");
-            result = -5;
-            goto cleanup;
-        }
-
-        if(!WIFEXITED(status)) {
-            result = -4;
-            goto cleanup;
-        }
-
-        int exit_status = WEXITSTATUS(status);
-        if(exit_status != 0) {
-            fprintf(stderr, "Failed to execute program (");
-            const char **arg = args;
-            while(*arg) {
-                if(arg != args)
-                    fputc(' ', stderr);
-                fprintf(stderr, "'%s'", *arg);
-                ++arg;
-            }
-            fprintf(stderr, "), exit status %d\n", exit_status);
-            result = -exit_status;
-            goto cleanup;
-        }
-
-        cleanup:
-        close(fd[READ_END]);
-        return result;
-    }
-}
-- 
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