Admin/Linux/Isabelle.c
author wenzelm
Tue, 26 Jan 2021 20:16:56 +0100
changeset 73191 6823dddf9cf1
parent 73190 02973da6180a
permissions -rw-r--r--
prefer dynamic linking: platform is always x86_64 (see 373dcdd363dc);
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/*  Author:     Makarius
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Main Isabelle application executable.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <libgen.h>
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static void fail(const char *msg)
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{
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  fprintf(stderr, "%s\n", msg);
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  exit(2);
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}
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int main(int argc, char *argv[])
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{
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  char **cmd_line = NULL, *cmd = NULL, *dcmd = NULL, *dname = NULL;
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  int i = 0;
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  dcmd = strdup(argv[0]);
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  if (dcmd == NULL) fail("Failed to allocate memory");
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  dname = dirname(dcmd);
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  cmd_line = malloc(sizeof(char *) * (argc + 1));
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  if (cmd_line == NULL) fail("Failed to allocate memory");
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  cmd = malloc(strlen(dname) + strlen("/lib/scripts/Isabelle_app") + 1);
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  if (cmd == NULL) fail("Failed to allocate memory");
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  sprintf(cmd, "%s/lib/scripts/Isabelle_app", dname);
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  cmd_line[0] = cmd;
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  for (i = 1; i < argc; i++) cmd_line[i] = argv[i];
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  cmd_line[argc] = NULL;
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  execvp(cmd, cmd_line);
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  fprintf(stderr, "Failed to execute application script \"%s\"\n", cmd);
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  exit(2);
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}