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Overview
| Comment: | If verify_all_options() is called more than once, ignore the second invocation because it won't work as expected anyway as the first invocation has already tossed out the ability to pass in arguments that might be consumed by the second caller. Moving because apparently some subcommands may actually need to call this a second time, in which case I suppose we need to "define" its behavior. |
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cd969ec5da8174026ca6875507cf1cc2 |
| User & Date: | andybradford 2019-10-03 13:38:58 |
| Original Comment: | If verify_all_options() is called more than once, ignore the second invocation because it won't work as expected anyway as the first invocation has already tossed out the ability to pass in arguments that might be consumed by the second caller. |
Context
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2019-10-03
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| 13:38 | If verify_all_options() is called more than once, ignore the second invocation because it won't work as expected anyway as the first invocation has already tossed out the ability to pass in arguments that might be consumed by the second caller. Moving because apparently some subcommands may actually need to call this a second time, in which case I suppose we need to "define" its behavior. Closed-Leaf check-in: cd969ec5 user: andybradford tags: mistake | |
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2019-10-02
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| 16:14 | Removed a debugging-only function. check-in: 05cde4f8 user: stephan tags: double-dash-flag2 | |
Changes
Changes to src/main.c.
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** an error message and quit. ** ** Exception: if "--" is encountered, it is consumed from the argument ** list and this function immediately returns. The effect is to treat ** all arguments after "--" as non-flags (conventionally used to ** enable passing-in of filenames which start with a dash). ** ** This function must only be called one time per app invokation. ** Calling it more than once results in undefined behaviour. */ void verify_all_options(void){ int i; for(i=1; i<g.argc; i++){ const char * arg = g.argv[i]; if( arg[0]=='-' ){ if( arg[1]=='-' && arg[2]==0 ){ /* Remove "--" from the list and treat all following ** arguments as non-flags. */ remove_from_argv(i, 1); |
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** an error message and quit. ** ** Exception: if "--" is encountered, it is consumed from the argument ** list and this function immediately returns. The effect is to treat ** all arguments after "--" as non-flags (conventionally used to ** enable passing-in of filenames which start with a dash). ** ** This function must only be called one time per app invocation. ** Calling it more than once is not supported and is a no-op on ** the second invocation. */ void verify_all_options(void){ static int fCalled = 0; int i; if( fCalled ) return; fCalled = 1; for(i=1; i<g.argc; i++){ const char * arg = g.argv[i]; if( arg[0]=='-' ){ if( arg[1]=='-' && arg[2]==0 ){ /* Remove "--" from the list and treat all following ** arguments as non-flags. */ remove_from_argv(i, 1); |