59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
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/* Conditionally execute the command argv[2] based if the file argv[1] */
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/* does not exist. If the command is omitted (and the file does not */
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/* exist) then just exit with a non-zero code. */
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# include "private/gc_priv.h"
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# include <stdio.h>
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# include <stdlib.h>
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# include <unistd.h>
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#ifdef __DJGPP__
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#include <dirent.h>
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#endif /* __DJGPP__ */
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#ifdef __cplusplus
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# define EXECV_ARGV_T char**
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#else
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# define EXECV_ARGV_T void* /* see the comment in if_mach.c */
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#endif
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int main(int argc, char **argv)
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{
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FILE * f;
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#ifdef __DJGPP__
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DIR * d;
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#endif /* __DJGPP__ */
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char *fname;
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if (argc < 2 || argc > 3)
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goto Usage;
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fname = TRUSTED_STRING(argv[1]);
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f = fopen(fname, "rb");
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if (f != NULL) {
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fclose(f);
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return(0);
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}
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f = fopen(fname, "r");
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if (f != NULL) {
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fclose(f);
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return(0);
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}
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#ifdef __DJGPP__
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if ((d = opendir(fname)) != 0) {
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closedir(d);
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return(0);
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}
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#endif
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printf("^^^^Starting command^^^^\n");
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fflush(stdout);
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if (argc == 2)
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return(2); /* the file does not exist but no command is given */
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execvp(TRUSTED_STRING(argv[2]), (EXECV_ARGV_T)(argv + 2));
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exit(1);
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Usage:
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fprintf(stderr, "Usage: %s file_name [command]\n", argv[0]);
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return(1);
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}
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