… | |
… | |
37 | * <misiek@pld.org.pl>) |
37 | * <misiek@pld.org.pl>) |
38 | * Version 1.1.4: Mon Nov 7 2005 |
38 | * Version 1.1.4: Mon Nov 7 2005 |
39 | * Fixed a few type's in the manpage |
39 | * Fixed a few type's in the manpage |
40 | */ |
40 | */ |
41 | |
41 | |
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42 | /* Exit codes: |
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43 | * 0) No errors, succesful operation. |
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44 | * 1) getopt(3) returned an error. |
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45 | * 2) A problem with parameter parsing for getopt(1). |
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46 | * 3) Internal error, out of memory |
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47 | * 4) Returned for -T |
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48 | */ |
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49 | #define GETOPT_EXIT_CODE 1 |
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50 | #define PARAMETER_EXIT_CODE 2 |
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51 | #define XALLOC_EXIT_CODE 3 |
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52 | #define TEST_EXIT_CODE 4 |
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53 | |
42 | #include <stdio.h> |
54 | #include <stdio.h> |
43 | #include <stdlib.h> |
55 | #include <stdlib.h> |
44 | #include <string.h> |
56 | #include <string.h> |
45 | #include <unistd.h> |
57 | #include <unistd.h> |
46 | #include <ctype.h> |
58 | #include <ctype.h> |
… | |
… | |
50 | #else |
62 | #else |
51 | #include "getopt.h" |
63 | #include "getopt.h" |
52 | #endif |
64 | #endif |
53 | |
65 | |
54 | #include "nls.h" |
66 | #include "nls.h" |
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67 | #include "xalloc.h" |
55 | |
68 | |
56 | /* NON_OPT is the code that is returned when a non-option is found in '+' |
69 | /* NON_OPT is the code that is returned when a non-option is found in '+' |
57 | * mode */ |
70 | * mode */ |
58 | #define NON_OPT 1 |
71 | #define NON_OPT 1 |
59 | /* LONG_OPT is the code that is returned when a long option is found. */ |
72 | /* LONG_OPT is the code that is returned when a long option is found. */ |
60 | #define LONG_OPT 2 |
73 | #define LONG_OPT 2 |
61 | |
74 | |
62 | /* The shells recognized. */ |
75 | /* The shells recognized. */ |
63 | typedef enum {BASH,TCSH} shell_t; |
76 | typedef enum { BASH, TCSH } shell_t; |
64 | |
77 | |
65 | |
78 | |
66 | /* Some global variables that tells us how to parse. */ |
79 | /* Some global variables that tells us how to parse. */ |
67 | shell_t shell=BASH; /* The shell we generate output for. */ |
80 | static shell_t shell = BASH; /* The shell we generate output for. */ |
68 | int quiet_errors=0; /* 0 is not quiet. */ |
81 | static int quiet_errors = 0; /* 0 is not quiet. */ |
69 | int quiet_output=0; /* 0 is not quiet. */ |
82 | static int quiet_output = 0; /* 0 is not quiet. */ |
70 | int quote=1; /* 1 is do quote. */ |
83 | static int quote = 1; /* 1 is do quote. */ |
71 | int alternative=0; /* 0 is getopt_long, 1 is getopt_long_only */ |
84 | |
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85 | /* Allow changing which getopt is in use with function pointer */ |
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86 | int (*getopt_long_fp) (int argc, char *const *argv, const char *optstr, |
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87 | const struct option * longopts, int *longindex); |
72 | |
88 | |
73 | /* Function prototypes */ |
89 | /* Function prototypes */ |
74 | void *our_malloc(size_t size); |
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75 | void *our_realloc(void *ptr, size_t size); |
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76 | const char *normalize(const char *arg); |
90 | static const char *normalize(const char *arg); |
77 | int generate_output(char * argv[],int argc,const char *optstr, |
91 | static int generate_output(char *argv[], int argc, const char *optstr, |
78 | const struct option *longopts); |
92 | const struct option *longopts); |
79 | int main(int argc, char *argv[]); |
93 | int main(int argc, char *argv[]); |
80 | void parse_error(const char *message); |
94 | static void parse_error(const char *message); |
81 | void add_long_options(char *options); |
95 | static void add_long_options(char *options); |
82 | void add_longopt(const char *name,int has_arg); |
96 | static void add_longopt(const char *name, int has_arg); |
83 | void print_help(void); |
97 | static void print_help(void); |
84 | void set_shell(const char *new_shell); |
98 | static void set_shell(const char *new_shell); |
85 | void set_initial_shell(void); |
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86 | |
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87 | void *our_malloc(size_t size) |
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88 | { |
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89 | void *ret=malloc(size); |
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90 | if (! ret) { |
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91 | fprintf(stderr,_("%s: Out of memory!\n"),"getopt"); |
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92 | exit(3); |
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93 | } |
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94 | return(ret); |
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95 | } |
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96 | |
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97 | void *our_realloc(void *ptr, size_t size) |
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98 | { |
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99 | void *ret=realloc(ptr,size); |
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100 | if (! ret && size) { |
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101 | fprintf(stderr,_("%s: Out of memory!\n"),"getopt"); |
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102 | exit(3); |
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103 | } |
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104 | return(ret); |
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105 | } |
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106 | |
99 | |
107 | /* |
100 | /* |
108 | * This function 'normalizes' a single argument: it puts single quotes |
101 | * This function 'normalizes' a single argument: it puts single quotes |
109 | * around it and escapes other special characters. If quote is false, it |
102 | * around it and escapes other special characters. If quote is false, it |
110 | * just returns its argument. |
103 | * just returns its argument. |
111 | * |
104 | * |
112 | * Bash only needs special treatment for single quotes; tcsh also recognizes |
105 | * Bash only needs special treatment for single quotes; tcsh also recognizes |
113 | * exclamation marks within single quotes, and nukes whitespace. This |
106 | * exclamation marks within single quotes, and nukes whitespace. This |
114 | * function returns a pointer to a buffer that is overwritten by each call. |
107 | * function returns a pointer to a buffer that is overwritten by each call. |
115 | */ |
108 | */ |
116 | const char *normalize(const char *arg) |
109 | static const char *normalize(const char *arg) |
117 | { |
110 | { |
118 | static char *BUFFER=NULL; |
111 | static char *BUFFER = NULL; |
119 | const char *argptr=arg; |
112 | const char *argptr = arg; |
120 | char *bufptr; |
113 | char *bufptr; |
121 | |
114 | |
122 | if (BUFFER != NULL) |
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123 | free(BUFFER); |
115 | free(BUFFER); |
124 | |
116 | |
125 | if (!quote) { |
117 | if (!quote) { |
126 | /* Just copy arg */ |
118 | /* Just copy arg */ |
127 | BUFFER=our_malloc(strlen(arg)+1); |
119 | BUFFER = xmalloc(strlen(arg) + 1); |
128 | |
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129 | strcpy(BUFFER,arg); |
120 | strcpy(BUFFER, arg); |
130 | return BUFFER; |
121 | return BUFFER; |
131 | } |
122 | } |
132 | |
123 | |
133 | /* |
124 | /* |
134 | * Each character in arg may take upto four characters in the |
125 | * Each character in arg may take upto four characters in the |
135 | * result: For a quote we need a closing quote, a backslash, a quote |
126 | * result: For a quote we need a closing quote, a backslash, a quote |
136 | * and an opening quote! We need also the global opening and closing |
127 | * and an opening quote! We need also the global opening and closing |
137 | * quote, and one extra character for '\0'. |
128 | * quote, and one extra character for '\0'. |
138 | */ |
129 | */ |
139 | BUFFER=our_malloc(strlen(arg)*4+3); |
130 | BUFFER = xmalloc(strlen(arg) * 4 + 3); |
140 | |
131 | |
141 | bufptr=BUFFER; |
132 | bufptr = BUFFER; |
142 | *bufptr++='\''; |
133 | *bufptr++ = '\''; |
143 | |
134 | |
144 | while (*argptr) { |
135 | while (*argptr) { |
145 | if (*argptr == '\'') { |
136 | if (*argptr == '\'') { |
146 | /* Quote: replace it with: '\'' */ |
137 | /* Quote: replace it with: '\'' */ |
147 | *bufptr++='\''; |
138 | *bufptr++ = '\''; |
148 | *bufptr++='\\'; |
139 | *bufptr++ = '\\'; |
149 | *bufptr++='\''; |
140 | *bufptr++ = '\''; |
150 | *bufptr++='\''; |
141 | *bufptr++ = '\''; |
151 | } else if (shell==TCSH && *argptr=='!') { |
142 | } else if (shell == TCSH && *argptr == '!') { |
152 | /* Exclamation mark: replace it with: \! */ |
143 | /* Exclamation mark: replace it with: \! */ |
153 | *bufptr++='\''; |
144 | *bufptr++ = '\''; |
154 | *bufptr++='\\'; |
145 | *bufptr++ = '\\'; |
155 | *bufptr++='!'; |
146 | *bufptr++ = '!'; |
156 | *bufptr++='\''; |
147 | *bufptr++ = '\''; |
157 | } else if (shell==TCSH && *argptr=='\n') { |
148 | } else if (shell == TCSH && *argptr == '\n') { |
158 | /* Newline: replace it with: \n */ |
149 | /* Newline: replace it with: \n */ |
159 | *bufptr++='\\'; |
150 | *bufptr++ = '\\'; |
160 | *bufptr++='n'; |
151 | *bufptr++ = 'n'; |
161 | } else if (shell==TCSH && isspace(*argptr)) { |
152 | } else if (shell == TCSH && isspace(*argptr)) { |
162 | /* Non-newline whitespace: replace it with \<ws> */ |
153 | /* Non-newline whitespace: replace it with \<ws> */ |
163 | *bufptr++='\''; |
154 | *bufptr++ = '\''; |
164 | *bufptr++='\\'; |
155 | *bufptr++ = '\\'; |
165 | *bufptr++=*argptr; |
156 | *bufptr++ = *argptr; |
166 | *bufptr++='\''; |
157 | *bufptr++ = '\''; |
167 | } else |
158 | } else |
168 | /* Just copy */ |
159 | /* Just copy */ |
169 | *bufptr++=*argptr; |
160 | *bufptr++ = *argptr; |
170 | argptr++; |
161 | argptr++; |
171 | } |
162 | } |
172 | *bufptr++='\''; |
163 | *bufptr++ = '\''; |
173 | *bufptr++='\0'; |
164 | *bufptr++ = '\0'; |
174 | return BUFFER; |
165 | return BUFFER; |
175 | } |
166 | } |
176 | |
167 | |
177 | /* |
168 | /* |
178 | * Generate the output. argv[0] is the program name (used for reporting errors). |
169 | * Generate the output. argv[0] is the program name (used for reporting errors). |
179 | * argv[1..] contains the options to be parsed. argc must be the number of |
170 | * argv[1..] contains the options to be parsed. argc must be the number of |
180 | * elements in argv (ie. 1 if there are no options, only the program name), |
171 | * elements in argv (ie. 1 if there are no options, only the program name), |
181 | * optstr must contain the short options, and longopts the long options. |
172 | * optstr must contain the short options, and longopts the long options. |
182 | * Other settings are found in global variables. |
173 | * Other settings are found in global variables. |
183 | */ |
174 | */ |
184 | int generate_output(char * argv[],int argc,const char *optstr, |
175 | static int generate_output(char *argv[], int argc, const char *optstr, |
185 | const struct option *longopts) |
176 | const struct option *longopts) |
186 | { |
177 | { |
187 | int exit_code = 0; /* Assume everything will be OK */ |
178 | int exit_code = EXIT_SUCCESS; /* Assume everything will be OK */ |
188 | int opt; |
179 | int opt; |
189 | int longindex; |
180 | int longindex; |
190 | const char *charptr; |
181 | const char *charptr; |
191 | |
182 | |
192 | if (quiet_errors) |
183 | if (quiet_errors) |
193 | /* No error reporting from getopt(3) */ |
184 | /* No error reporting from getopt(3) */ |
194 | opterr=0; |
185 | opterr = 0; |
195 | /* Reset getopt(3) */ |
186 | /* Reset getopt(3) */ |
196 | optind=0; |
187 | optind = 0; |
197 | |
188 | |
198 | while ((opt = (alternative? |
189 | while ((opt = |
199 | getopt_long_only(argc,argv,optstr,longopts,&longindex): |
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200 | getopt_long(argc,argv,optstr,longopts,&longindex))) |
190 | (getopt_long_fp(argc, argv, optstr, longopts, &longindex))) |
201 | != EOF) |
191 | != EOF) |
202 | if (opt == '?' || opt == ':' ) |
192 | if (opt == '?' || opt == ':') |
203 | exit_code = 1; |
193 | exit_code = GETOPT_EXIT_CODE; |
204 | else if (!quiet_output) |
194 | else if (!quiet_output) { |
205 | { |
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206 | if (opt == LONG_OPT) { |
195 | if (opt == LONG_OPT) { |
207 | printf(" --%s",longopts[longindex].name); |
196 | printf(" --%s", longopts[longindex].name); |
208 | if (longopts[longindex].has_arg) |
197 | if (longopts[longindex].has_arg) |
209 | printf(" %s", |
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210 | normalize(optarg?optarg:"")); |
198 | printf(" %s", normalize(optarg ? optarg : "")); |
211 | } else if (opt == NON_OPT) |
199 | } else if (opt == NON_OPT) |
212 | printf(" %s",normalize(optarg)); |
200 | printf(" %s", normalize(optarg)); |
213 | else { |
201 | else { |
214 | printf(" -%c",opt); |
202 | printf(" -%c", opt); |
215 | charptr = strchr(optstr,opt); |
203 | charptr = strchr(optstr, opt); |
216 | if (charptr != NULL && *++charptr == ':') |
204 | if (charptr != NULL && *++charptr == ':') |
217 | printf(" %s", |
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218 | normalize(optarg?optarg:"")); |
205 | printf(" %s", normalize(optarg ? optarg : "")); |
219 | } |
206 | } |
220 | } |
207 | } |
221 | |
208 | |
222 | if (! quiet_output) { |
209 | if (!quiet_output) { |
223 | printf(" --"); |
210 | printf(" --"); |
224 | while (optind < argc) |
211 | while (optind < argc) |
225 | printf(" %s",normalize(argv[optind++])); |
212 | printf(" %s", normalize(argv[optind++])); |
226 | printf("\n"); |
213 | printf("\n"); |
227 | } |
214 | } |
228 | return exit_code; |
215 | return exit_code; |
229 | } |
216 | } |
230 | |
217 | |
231 | /* |
218 | /* |
232 | * Report an error when parsing getopt's own arguments. If message is NULL, |
219 | * Report an error when parsing getopt's own arguments. If message is NULL, |
233 | * we already sent a message, we just exit with a helpful hint. |
220 | * we already sent a message, we just exit with a helpful hint. |
234 | */ |
221 | */ |
235 | void parse_error(const char *message) |
222 | static void __attribute__ ((__noreturn__)) parse_error(const char *message) |
236 | { |
223 | { |
237 | if (message) |
224 | if (message) |
238 | fprintf(stderr,"getopt: %s\n",message); |
225 | fprintf(stderr, "%s: %s\n", ,program_short_invocation_name, message); |
239 | fputs(_("Try `getopt --help' for more information.\n"),stderr); |
226 | fprintf(stderr, _("Try `%s --help' for more information.\n"), |
240 | exit(2); |
227 | program_invocation_short_name); |
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228 | exit(PARAMETER_EXIT_CODE); |
241 | } |
229 | } |
242 | |
230 | |
243 | static struct option *long_options=NULL; |
231 | static struct option *long_options = NULL; |
244 | static int long_options_length=0; /* Length of array */ |
232 | static int long_options_length = 0; /* Length of array */ |
245 | static int long_options_nr=0; /* Nr of used elements in array */ |
233 | static int long_options_nr = 0; /* Nr of used elements in array */ |
246 | #define LONG_OPTIONS_INCR 10 |
234 | #define LONG_OPTIONS_INCR 10 |
247 | #define init_longopt() add_longopt(NULL,0) |
235 | #define init_longopt() add_longopt(NULL,0) |
248 | |
236 | |
249 | /* Register a long option. The contents of name is copied. */ |
237 | /* Register a long option. The contents of name is copied. */ |
250 | void add_longopt(const char *name,int has_arg) |
238 | static void add_longopt(const char *name, int has_arg) |
251 | { |
239 | { |
252 | char *tmp; |
240 | char *tmp; |
253 | if (!name) { |
241 | if (!name) { |
254 | /* init */ |
242 | /* init */ |
255 | free(long_options); |
243 | free(long_options); |
256 | long_options=NULL; |
244 | long_options = NULL; |
257 | long_options_length=0; |
245 | long_options_length = 0; |
258 | long_options_nr=0; |
246 | long_options_nr = 0; |
259 | } |
247 | } |
260 | |
248 | |
261 | if (long_options_nr == long_options_length) { |
249 | if (long_options_nr == long_options_length) { |
262 | long_options_length += LONG_OPTIONS_INCR; |
250 | long_options_length += LONG_OPTIONS_INCR; |
263 | long_options=our_realloc(long_options, |
251 | long_options = xrealloc(long_options, |
264 | sizeof(struct option) * |
252 | sizeof(struct option) * |
265 | long_options_length); |
253 | long_options_length); |
266 | } |
254 | } |
267 | |
255 | |
268 | long_options[long_options_nr].name=NULL; |
256 | long_options[long_options_nr].name = NULL; |
269 | long_options[long_options_nr].has_arg=0; |
257 | long_options[long_options_nr].has_arg = 0; |
270 | long_options[long_options_nr].flag=NULL; |
258 | long_options[long_options_nr].flag = NULL; |
271 | long_options[long_options_nr].val=0; |
259 | long_options[long_options_nr].val = 0; |
272 | |
260 | |
273 | if (long_options_nr) { |
261 | if (long_options_nr) { |
274 | /* Not for init! */ |
262 | /* Not for init! */ |
275 | long_options[long_options_nr-1].has_arg=has_arg; |
263 | long_options[long_options_nr - 1].has_arg = has_arg; |
276 | long_options[long_options_nr-1].flag=NULL; |
264 | long_options[long_options_nr - 1].flag = NULL; |
277 | long_options[long_options_nr-1].val=LONG_OPT; |
265 | long_options[long_options_nr - 1].val = LONG_OPT; |
278 | tmp = our_malloc(strlen(name)+1); |
266 | tmp = xmalloc(strlen(name) + 1); |
279 | strcpy(tmp,name); |
267 | strcpy(tmp, name); |
280 | long_options[long_options_nr-1].name=tmp; |
268 | long_options[long_options_nr - 1].name = tmp; |
281 | } |
269 | } |
282 | long_options_nr++; |
270 | long_options_nr++; |
283 | } |
271 | } |
284 | |
272 | |
285 | |
273 | |
286 | /* |
274 | /* |
287 | * Register several long options. options is a string of long options, |
275 | * Register several long options. options is a string of long options, |
288 | * separated by commas or whitespace. This nukes options! |
276 | * separated by commas or whitespace. This nukes options! |
289 | */ |
277 | */ |
290 | void add_long_options(char *options) |
278 | static void add_long_options(char *options) |
291 | { |
279 | { |
292 | int arg_opt; |
280 | int arg_opt; |
293 | char *tokptr=strtok(options,", \t\n"); |
281 | char *tokptr = strtok(options, ", \t\n"); |
294 | while (tokptr) { |
282 | while (tokptr) { |
295 | arg_opt=no_argument; |
283 | arg_opt = no_argument; |
296 | if (strlen(tokptr) > 0) { |
284 | if (strlen(tokptr) > 0) { |
297 | if (tokptr[strlen(tokptr)-1] == ':') { |
285 | if (tokptr[strlen(tokptr) - 1] == ':') { |
298 | if (tokptr[strlen(tokptr)-2] == ':') { |
286 | if (tokptr[strlen(tokptr) - 2] == ':') { |
299 | tokptr[strlen(tokptr)-2]='\0'; |
287 | tokptr[strlen(tokptr) - 2] = '\0'; |
300 | arg_opt=optional_argument; |
288 | arg_opt = optional_argument; |
301 | } else { |
289 | } else { |
302 | tokptr[strlen(tokptr)-1]='\0'; |
290 | tokptr[strlen(tokptr) - 1] = '\0'; |
303 | arg_opt=required_argument; |
291 | arg_opt = required_argument; |
304 | } |
292 | } |
305 | if (strlen(tokptr) == 0) |
293 | if (strlen(tokptr) == 0) |
|
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294 | parse_error(_ |
306 | parse_error(_("empty long option after " |
295 | ("empty long option after " |
307 | "-l or --long argument")); |
296 | "-l or --long argument")); |
308 | } |
297 | } |
309 | add_longopt(tokptr,arg_opt); |
298 | add_longopt(tokptr, arg_opt); |
310 | } |
299 | } |
311 | tokptr=strtok(NULL,", \t\n"); |
300 | tokptr = strtok(NULL, ", \t\n"); |
312 | } |
301 | } |
313 | } |
302 | } |
314 | |
303 | |
315 | void set_shell(const char *new_shell) |
304 | static void set_shell(const char *new_shell) |
316 | { |
305 | { |
317 | if (!strcmp(new_shell,"bash")) |
306 | if (!strcmp(new_shell, "bash")) |
318 | shell=BASH; |
307 | shell = BASH; |
319 | else if (!strcmp(new_shell,"tcsh")) |
308 | else if (!strcmp(new_shell, "tcsh")) |
320 | shell=TCSH; |
309 | shell = TCSH; |
321 | else if (!strcmp(new_shell,"sh")) |
310 | else if (!strcmp(new_shell, "sh")) |
322 | shell=BASH; |
311 | shell = BASH; |
323 | else if (!strcmp(new_shell,"csh")) |
312 | else if (!strcmp(new_shell, "csh")) |
324 | shell=TCSH; |
313 | shell = TCSH; |
325 | else |
314 | else |
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315 | parse_error(_ |
326 | parse_error(_("unknown shell after -s or --shell argument")); |
316 | ("unknown shell after -s or --shell argument")); |
327 | } |
317 | } |
328 | |
318 | |
329 | void print_help(void) |
319 | static void __attribute__ ((__noreturn__)) print_help(void) |
330 | { |
320 | { |
331 | fputs(_("Usage: getopt optstring parameters\n"),stderr); |
321 | fputs(_("Usage: getopt optstring parameters\n"), stderr); |
332 | fputs(_(" getopt [options] [--] optstring parameters\n"),stderr); |
322 | fputs(_(" getopt [options] [--] optstring parameters\n"), stderr); |
333 | fputs(_(" getopt [options] -o|--options optstring [options] [--]\n"),stderr); |
323 | fputs(_(" getopt [options] -o|--options optstring [options] [--]\n"), stderr); |
334 | fputs(_(" parameters\n"),stderr); |
324 | fputs(_(" parameters\n"), stderr); |
|
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325 | fputs(_("\nOptions:\n"), stderr); |
335 | fputs(_(" -a, --alternative Allow long options starting with single -\n"),stderr); |
326 | fputs(_(" -a, --alternative Allow long options starting with single -\n"), stderr); |
336 | fputs(_(" -h, --help This small usage guide\n"),stderr); |
327 | fputs(_(" -h, --help This small usage guide\n"), stderr); |
337 | fputs(_(" -l, --longoptions=longopts Long options to be recognized\n"),stderr); |
328 | fputs(_(" -l, --longoptions <longopts> Long options to be recognized\n"), stderr); |
338 | fputs(_(" -n, --name=progname The name under which errors are reported\n"),stderr); |
329 | fputs(_(" -n, --name <progname> The name under which errors are reported\n"), stderr); |
339 | fputs(_(" -o, --options=optstring Short options to be recognized\n"),stderr); |
330 | fputs(_(" -o, --options <optstring> Short options to be recognized\n"), stderr); |
340 | fputs(_(" -q, --quiet Disable error reporting by getopt(3)\n"),stderr); |
331 | fputs(_(" -q, --quiet Disable error reporting by getopt(3)\n"), stderr); |
341 | fputs(_(" -Q, --quiet-output No normal output\n"),stderr); |
332 | fputs(_(" -Q, --quiet-output No normal output\n"), stderr); |
342 | fputs(_(" -s, --shell=shell Set shell quoting conventions\n"),stderr); |
333 | fputs(_(" -s, --shell <shell> Set shell quoting conventions\n"), stderr); |
343 | fputs(_(" -T, --test Test for getopt(1) version\n"),stderr); |
334 | fputs(_(" -T, --test Test for getopt(1) version\n"), stderr); |
344 | fputs(_(" -u, --unqote Do not quote the output\n"),stderr); |
335 | fputs(_(" -u, --unquote Do not quote the output\n"), stderr); |
345 | fputs(_(" -V, --version Output version information\n"),stderr); |
336 | fputs(_(" -V, --version Output version information\n"), stderr); |
346 | exit(2); |
337 | fputc('\n', stderr); |
347 | } |
|
|
348 | |
|
|
349 | /* Exit codes: |
|
|
350 | * 0) No errors, succesful operation. |
|
|
351 | * 1) getopt(3) returned an error. |
|
|
352 | * 2) A problem with parameter parsing for getopt(1). |
|
|
353 | * 3) Internal error, out of memory |
|
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354 | * 4) Returned for -T |
|
|
355 | */ |
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|
356 | |
338 | |
357 | static struct option longopts[]={ {"options",required_argument,NULL,'o'}, |
339 | exit(PARAMETER_EXIT_CODE); |
358 | {"longoptions",required_argument,NULL,'l'}, |
340 | } |
359 | {"quiet",no_argument,NULL,'q'}, |
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360 | {"quiet-output",no_argument,NULL,'Q'}, |
|
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361 | {"shell",required_argument,NULL,'s'}, |
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362 | {"test",no_argument,NULL,'T'}, |
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363 | {"unquoted",no_argument,NULL,'u'}, |
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364 | {"help",no_argument,NULL,'h'}, |
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365 | {"alternative",no_argument,NULL,'a'}, |
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366 | {"name",required_argument,NULL,'n'}, |
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367 | {"version",no_argument,NULL,'V'}, |
|
|
368 | {NULL,0,NULL,0} |
|
|
369 | }; |
|
|
370 | |
|
|
371 | /* Stop scanning as soon as a non-option argument is found! */ |
|
|
372 | static const char *shortopts="+ao:l:n:qQs:TuhV"; |
|
|
373 | |
341 | |
374 | int main(int argc, char *argv[]) |
342 | int main(int argc, char *argv[]) |
375 | { |
343 | { |
376 | char *optstr=NULL; |
344 | char *optstr = NULL; |
377 | char *name=NULL; |
345 | char *name = NULL; |
378 | int opt; |
346 | int opt; |
379 | int compatible=0; |
347 | int compatible = 0; |
380 | |
348 | |
|
|
349 | /* Stop scanning as soon as a non-option argument is found! */ |
|
|
350 | static const char *shortopts = "+ao:l:n:qQs:TuhV"; |
|
|
351 | static const struct option longopts[] = { |
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352 | {"options", required_argument, NULL, 'o'}, |
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353 | {"longoptions", required_argument, NULL, 'l'}, |
|
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354 | {"quiet", no_argument, NULL, 'q'}, |
|
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355 | {"quiet-output", no_argument, NULL, 'Q'}, |
|
|
356 | {"shell", required_argument, NULL, 's'}, |
|
|
357 | {"test", no_argument, NULL, 'T'}, |
|
|
358 | {"unquoted", no_argument, NULL, 'u'}, |
|
|
359 | {"help", no_argument, NULL, 'h'}, |
|
|
360 | {"alternative", no_argument, NULL, 'a'}, |
|
|
361 | {"name", required_argument, NULL, 'n'}, |
|
|
362 | {"version", no_argument, NULL, 'V'}, |
|
|
363 | {NULL, 0, NULL, 0} |
|
|
364 | }; |
381 | #if WITHOUT_GETTEXT |
365 | #if WITHOUT_GETTEXT |
382 | #else |
366 | #else |
383 | setlocale(LC_ALL,""); |
367 | setlocale(LC_ALL, ""); |
384 | bindtextdomain(PACKAGE, LOCALEDIR); |
368 | bindtextdomain(PACKAGE, LOCALEDIR); |
385 | textdomain(PACKAGE); |
369 | textdomain(PACKAGE); |
386 | #endif |
370 | #endif |
387 | |
371 | |
388 | init_longopt(); |
372 | init_longopt(); |
|
|
373 | getopt_long_fp = getopt_long; |
389 | |
374 | |
390 | if (getenv("GETOPT_COMPATIBLE")) |
375 | if (getenv("GETOPT_COMPATIBLE")) |
391 | compatible=1; |
376 | compatible = 1; |
392 | |
377 | |
393 | if (argc == 1) |
378 | if (argc == 1) { |
394 | { |
|
|
395 | if (compatible) { |
379 | if (compatible) { |
396 | /* |
380 | /* |
397 | * For some reason, the original getopt gave no error |
381 | * For some reason, the original getopt gave no |
398 | * when there were no arguments. |
382 | * error when there were no arguments. |
399 | */ |
383 | */ |
400 | printf(" --\n"); |
384 | printf(" --\n"); |
401 | exit(0); |
385 | return EXIT_SUCCESS; |
402 | } |
|
|
403 | else |
386 | } else |
404 | parse_error(_("missing optstring argument")); |
387 | parse_error(_("missing optstring argument")); |
405 | } |
388 | } |
406 | |
389 | |
|
|
390 | |
407 | if (argv[1][0] != '-' || compatible) { |
391 | if (argv[1][0] != '-' || compatible) { |
408 | quote=0; |
392 | quote = 0; |
409 | optstr=our_malloc(strlen(argv[1])+1); |
393 | optstr = xmalloc(strlen(argv[1]) + 1); |
410 | strcpy(optstr,argv[1]+strspn(argv[1],"-+")); |
394 | strcpy(optstr, argv[1] + strspn(argv[1], "-+")); |
411 | argv[1]=argv[0]; |
395 | argv[1] = argv[0]; |
412 | exit(generate_output(argv+1,argc-1,optstr,long_options)); |
396 | return generate_output(argv + 1, argc - 1, optstr, |
|
|
397 | long_options); |
413 | } |
398 | } |
414 | |
399 | |
|
|
400 | while ((opt = |
415 | while ((opt=getopt_long(argc,argv,shortopts,longopts,NULL)) != EOF) |
401 | getopt_long(argc, argv, shortopts, longopts, NULL)) != EOF) |
416 | switch (opt) { |
402 | switch (opt) { |
417 | case 'a': |
403 | case 'a': |
418 | alternative=1; |
404 | getopt_long_fp = getopt_long_only; |
419 | break; |
405 | break; |
420 | case 'h': |
406 | case 'h': |
421 | print_help(); |
407 | print_help(); |
422 | exit(0); |
|
|
423 | case 'o': |
408 | case 'o': |
424 | if (optstr) |
|
|
425 | free(optstr); |
409 | free(optstr); |
426 | optstr=our_malloc(strlen(optarg)+1); |
410 | optstr = xmalloc(strlen(optarg) + 1); |
427 | strcpy(optstr,optarg); |
411 | strcpy(optstr, optarg); |
428 | break; |
412 | break; |
429 | case 'l': |
413 | case 'l': |
430 | add_long_options(optarg); |
414 | add_long_options(optarg); |
431 | break; |
415 | break; |
432 | case 'n': |
416 | case 'n': |
433 | if (name) |
|
|
434 | free(name); |
417 | free(name); |
435 | name=our_malloc(strlen(optarg)+1); |
418 | name = xmalloc(strlen(optarg) + 1); |
436 | strcpy(name,optarg); |
419 | strcpy(name, optarg); |
437 | break; |
420 | break; |
438 | case 'q': |
421 | case 'q': |
439 | quiet_errors=1; |
422 | quiet_errors = 1; |
440 | break; |
423 | break; |
441 | case 'Q': |
424 | case 'Q': |
442 | quiet_output=1; |
425 | quiet_output = 1; |
443 | break; |
426 | break; |
444 | case 's': |
427 | case 's': |
445 | set_shell(optarg); |
428 | set_shell(optarg); |
446 | break; |
429 | break; |
447 | case 'T': |
430 | case 'T': |
448 | exit(4); |
431 | return TEST_EXIT_CODE; |
449 | case 'u': |
432 | case 'u': |
450 | quote=0; |
433 | quote = 0; |
451 | break; |
434 | break; |
452 | case 'V': |
435 | case 'V': |
453 | printf(_("getopt (enhanced) 1.1.4\n")); |
436 | printf(_("%s (enhanced) %s\n"), program_invocation_short_name, program_version); |
454 | exit(0); |
437 | return EXIT_SUCCESS; |
455 | case '?': |
438 | case '?': |
456 | case ':': |
439 | case ':': |
457 | parse_error(NULL); |
440 | parse_error(NULL); |
458 | default: |
441 | default: |
459 | parse_error(_("internal error, contact the author.")); |
442 | parse_error(_("internal error, contact the author.")); |
460 | } |
443 | } |
461 | |
444 | |
462 | if (!optstr) |
445 | if (!optstr) { |
463 | { |
|
|
464 | if (optind >= argc) |
446 | if (optind >= argc) |
465 | parse_error(_("missing optstring argument")); |
447 | parse_error(_("missing optstring argument")); |
466 | else { |
448 | else { |
467 | optstr=our_malloc(strlen(argv[optind])+1); |
449 | optstr = xmalloc(strlen(argv[optind]) + 1); |
468 | strcpy(optstr,argv[optind]); |
450 | strcpy(optstr, argv[optind]); |
469 | optind++; |
451 | optind++; |
470 | } |
452 | } |
471 | } |
453 | } |
472 | if (name) |
454 | if (name) |
473 | argv[optind-1]=name; |
455 | argv[optind - 1] = name; |
474 | else |
456 | else |
475 | argv[optind-1]=argv[0]; |
457 | argv[optind - 1] = argv[0]; |
476 | exit(generate_output(argv+optind-1,argc-optind+1,optstr,long_options)); |
458 | return generate_output(argv + optind - 1, argc-optind + 1, |
|
|
459 | optstr, long_options); |
477 | } |
460 | } |