[f40778b] | 1 | /* |
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[a2aad55] | 2 | * COPYRIGHT (c) 1989-2013. |
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[f40778b] | 3 | * On-Line Applications Research Corporation (OAR). |
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| 4 | * |
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| 5 | * The license and distribution terms for this file may be |
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| 6 | * found in the file LICENSE in this distribution or at |
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| 7 | * http://www.rtems.com/license/LICENSE. |
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| 8 | */ |
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| 9 | |
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| 10 | #include <newlib/getopt.h> |
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| 11 | #include <stdio.h> |
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| 12 | #include <stdlib.h> |
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| 13 | #include <string.h> |
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| 14 | #include <ctype.h> |
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| 15 | |
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| 16 | #include "shell.h" |
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| 17 | #include "rtems_sched.h" |
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[36f4cb9] | 18 | #include "schedsim_shell.h" |
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[f40778b] | 19 | |
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| 20 | /* |
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| 21 | * Variables to control global behavior |
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| 22 | */ |
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| 23 | int verbose = 1; |
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| 24 | const char *progname; |
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| 25 | const char *scriptname; |
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| 26 | |
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| 27 | FILE *Script; |
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| 28 | int ScriptFileLine = 0; |
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| 29 | |
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| 30 | /* |
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| 31 | * Print program usage message |
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| 32 | */ |
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| 33 | void usage() |
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| 34 | { |
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| 35 | fprintf( |
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| 36 | stderr, |
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| 37 | "Usage: %s [-v] script\n" |
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| 38 | "\n" |
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| 39 | " -v - enable verbose output\n", |
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| 40 | progname |
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| 41 | ); |
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| 42 | exit( -1 ); |
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| 43 | } |
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| 44 | |
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| 45 | #define RTEMS_SHELL_MAXIMUM_ARGUMENTS (128) |
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| 46 | |
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[36f4cb9] | 47 | int ProcessScript( |
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[f40778b] | 48 | FILE *script |
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| 49 | ) |
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| 50 | { |
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| 51 | char buffer[512]; |
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[44cf36b] | 52 | int sc; |
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[f40778b] | 53 | char *cStatus; |
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| 54 | char *c; |
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| 55 | size_t length; |
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| 56 | int argc; |
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| 57 | char *argv[RTEMS_SHELL_MAXIMUM_ARGUMENTS]; |
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| 58 | rtems_shell_cmd_t *shell_cmd; |
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| 59 | |
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| 60 | |
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| 61 | while ( 1 ) { |
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| 62 | cStatus = fgets( buffer, sizeof(buffer), script ); |
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| 63 | if ( cStatus == NULL ) |
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| 64 | break; |
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| 65 | // If the last line does not have a CR, then we don't want to |
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| 66 | // arbitrarily clobber an = instead of a \n. |
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| 67 | length = strlen(buffer); |
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| 68 | if ( buffer[ length - 1] == '\n' ) |
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| 69 | buffer[ length - 1] = '\0'; |
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| 70 | |
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| 71 | if ( verbose ) |
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| 72 | printf( "==> %d: %s\n", ++ScriptFileLine, buffer ); |
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| 73 | |
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| 74 | if ( buffer[0] == '#' ) |
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| 75 | continue; |
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| 76 | |
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| 77 | for ( c = buffer ; *c ; c++ ) { |
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| 78 | if (!isblank((int)*c)) |
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| 79 | break; |
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| 80 | } |
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| 81 | |
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| 82 | |
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| 83 | if (!strcmp(c,"bye") || !strcmp(c,"exit")) { |
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[44cf36b] | 84 | exit( 0 ); |
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[f40778b] | 85 | } |
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| 86 | |
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| 87 | if (rtems_shell_make_args(c, &argc, argv, RTEMS_SHELL_MAXIMUM_ARGUMENTS)) { |
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| 88 | fprintf(stderr, "Error parsing arguments\n" ); |
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| 89 | continue; |
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| 90 | } |
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| 91 | |
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| 92 | if ( argc == 0 ) |
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| 93 | continue; |
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| 94 | |
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| 95 | shell_cmd = rtems_shell_lookup_cmd(argv[0]); |
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| 96 | if ( !shell_cmd ) { |
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| 97 | fprintf(stderr, "%s is unknown command\n", c ); |
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[44cf36b] | 98 | exit( 1 ); |
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[f40778b] | 99 | } |
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| 100 | |
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[44cf36b] | 101 | sc = shell_cmd->command(argc, argv); |
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| 102 | if ( sc != 0 ) { |
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| 103 | fprintf( stderr, "ERROR: Command %s returned %d\n", argv[0], sc ); |
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| 104 | exit( sc ); |
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| 105 | } |
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[f40778b] | 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | int main( |
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| 110 | int argc, |
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| 111 | char **argv |
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| 112 | ) |
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| 113 | { |
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[36f4cb9] | 114 | int sc; |
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| 115 | int opt; |
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| 116 | |
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[f40778b] | 117 | progname = argv[0]; |
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| 118 | |
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| 119 | while ((opt = getopt(argc, argv, "v")) != -1) { |
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| 120 | switch (opt) { |
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| 121 | case 'v': verbose = 0; break; |
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| 122 | default: /* '?' */ |
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| 123 | usage(); |
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| 124 | } |
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| 125 | } |
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| 126 | |
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| 127 | if ( optind >= argc ) { |
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| 128 | scriptname = "-"; |
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| 129 | } else { |
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| 130 | scriptname = argv[ optind ]; |
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| 131 | } |
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| 132 | |
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| 133 | if ( !strcmp( scriptname, "-" ) ) { |
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| 134 | scriptname = "/dev/stdin"; |
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| 135 | } |
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| 136 | |
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| 137 | if ( verbose ) { |
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| 138 | printf( |
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| 139 | "Script File : %s\n" |
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| 140 | "verbose : %d\n", |
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| 141 | scriptname, |
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| 142 | verbose |
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| 143 | ); |
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| 144 | } |
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| 145 | |
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| 146 | // |
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| 147 | // Initialize the command interpreter |
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| 148 | // |
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| 149 | rtems_shell_initialize_command_set(); |
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| 150 | add_commands(); |
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| 151 | |
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| 152 | // |
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| 153 | // Open the script file |
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| 154 | // |
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| 155 | Script = fopen( scriptname, "r" ); |
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| 156 | if ( !Script ) { |
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| 157 | fprintf( stderr, "Unable to open script file (%s)\n", scriptname ); |
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| 158 | exit( -1 ); |
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| 159 | } |
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| 160 | |
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| 161 | // |
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| 162 | // Process the Script |
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| 163 | // |
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[36f4cb9] | 164 | sc = ProcessScript( Script ); |
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[f40778b] | 165 | |
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| 166 | // |
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| 167 | // Open the script file |
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| 168 | // |
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| 169 | (void) fclose( Script ); |
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| 170 | |
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[36f4cb9] | 171 | return sc; |
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[f40778b] | 172 | } |
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