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annotate resources/master.c @ 36:8acbab5a9f21

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Remove stream buffering on stdout & stderr
author Louis 'Kureuil' Person <louis.person@epitech.eu>
date Sat, 30 Apr 2016 23:48:19 +0200
parents
children 7857f8eea835
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8acbab5a9f21 Remove stream buffering on stdout & stderr
Louis 'Kureuil' Person <louis.person@epitech.eu>
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1 #include <stdlib.h>
8acbab5a9f21 Remove stream buffering on stdout & stderr
Louis 'Kureuil' Person <louis.person@epitech.eu>
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2 #include <stdio.h>
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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3 #include <dlfcn.h>
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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4
8acbab5a9f21 Remove stream buffering on stdout & stderr
Louis 'Kureuil' Person <louis.person@epitech.eu>
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5 typedef int (*main_t)(int, char **, char **);
8acbab5a9f21 Remove stream buffering on stdout & stderr
Louis 'Kureuil' Person <louis.person@epitech.eu>
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6
8acbab5a9f21 Remove stream buffering on stdout & stderr
Louis 'Kureuil' Person <louis.person@epitech.eu>
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7 int main(int argc, char **argv, char **envp)
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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8 {
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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9 char *error = NULL;
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10
8acbab5a9f21 Remove stream buffering on stdout & stderr
Louis 'Kureuil' Person <louis.person@epitech.eu>
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11 setbuf(stdout, NULL);
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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12 setbuf(stderr, NULL);
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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13 if (argc < 2) {
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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14 fprintf(stderr, "USAGE: %s PROGRAM\nWhere PROGRAM is the user's program to supervise\n", argv[0]);
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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15 return EXIT_FAILURE;
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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16 }
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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17 void *userhandle = dlopen(argv[1], RTLD_LAZY);
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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18 if (userhandle == NULL) {
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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19 fprintf(stderr, "%s: %s\n", argv[0], dlerror());
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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20 return EXIT_FAILURE;
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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21 }
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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22 dlerror();
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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23 main_t usermain = dlsym(userhandle, "main");
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24 if ((error = dlerror()) != NULL) {
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25 fprintf(stderr, "%s: %s\n", argv[0], error);
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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26 return EXIT_FAILURE;
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27 }
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28 return usermain(argc, argv, envp);
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Louis 'Kureuil' Person <louis.person@epitech.eu>
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29 }