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cmdline: parse numerical options stricter

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1 - str2offset() no longer accepts negative numbers since offsets are by
nature positive.

2 - introduced str2unum() for the command line parser that accepts
numericals which are not supposed to be negative, so that it will
properly complain on apparent bad uses and mistakes.

Bug: http://curl.haxx.se/mail/archive-2012-07/0013.html
This commit is contained in:
Daniel Stenberg 2012-07-10 23:11:30 +02:00
parent e5843470e8
commit f2b6ebed7b
5 changed files with 78 additions and 34 deletions
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2
src/tool_helpers.c
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@ -54,6 +54,8 @@ const char *param2text(int res)
return "is badly used here";
case PARAM_BAD_NUMERIC:
return "expected a proper numerical parameter";
case PARAM_NEGATIVE_NUMERIC:
return "expected a positive numerical parameter";
case PARAM_LIBCURL_DOESNT_SUPPORT:
return "the installed libcurl version doesn't support this";
case PARAM_NO_MEM: