diff options
Diffstat (limited to '')
-rw-r--r-- | test cases/native/8 external program shebang parsing/main.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/test cases/native/8 external program shebang parsing/main.c b/test cases/native/8 external program shebang parsing/main.c new file mode 100644 index 0000000..48b080e --- /dev/null +++ b/test cases/native/8 external program shebang parsing/main.c @@ -0,0 +1,72 @@ +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> +#include <sys/types.h> + +#ifdef _WIN32 + #include <io.h> + #include <windows.h> +#else + #include <unistd.h> +#endif + +/* Who cares about stack sizes in test programs anyway */ +#define LINE_LENGTH 4096 + +static int +intrp_copyfile (char * src, char * dest) +{ +#ifdef _WIN32 + if (!CopyFile (src, dest, FALSE)) + return 1; + return 0; +#else + return execlp ("cp", "cp", src, dest, NULL); +#endif +} + +static void +parser_get_line (FILE * f, char line[LINE_LENGTH]) +{ + if (!fgets (line, LINE_LENGTH, f)) + fprintf (stderr, "%s\n", strerror (errno)); +} + +int +main (int argc, char * argv[]) +{ + FILE *f = NULL; + char line[LINE_LENGTH]; + + if (argc != 4) { + fprintf (stderr, "Invalid number of arguments: %i\n", argc); + goto err; + } + + if ((f = fopen (argv[1], "r")) == NULL) { + fprintf (stderr, "%s\n", strerror (errno)); + goto err; + } + + parser_get_line (f, line); + + if (!line || line[0] != '#' || line[1] != '!') { + fprintf (stderr, "Invalid script\n"); + goto err; + } + + parser_get_line (f, line); + + if (!line || strncmp (line, "copy", 4) != 0) { + fprintf (stderr, "Syntax error: %s\n", line); + goto err; + } + + return intrp_copyfile (argv[2], argv[3]); + +err: + fclose (f); + return 1; +} |