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strparse: switch to curl_off_t as base data type

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- add hex and octal parsers to the Curl_str_* family
- make curlx_strtoofft use these parsers
- remove all use of strtol() and strtoul() in library code
- generally use Curl_str_* more than strtoofft, for stricter parsing
- supports 64-bit universally, instead of 'long' which differs in size
  between platforms

Extended the unit test 1664 to verify hex and octal parsing.

Closes #16336
This commit is contained in:
Daniel Stenberg 2025-02-14 11:29:08 +01:00
parent 876db1070b
commit b4538ec522
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46 changed files with 538 additions and 497 deletions
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11
lib/strparse.h
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@ -62,9 +62,14 @@ int Curl_str_single(const char **linep, char byte);
return non-zero on error */
int Curl_str_singlespace(const char **linep);
/* Get an unsigned number
return non-zero on error */
int Curl_str_number(const char **linep, size_t *nump, size_t max);
/* Get an unsigned decimal number. Return non-zero on error */
int Curl_str_number(const char **linep, curl_off_t *nump, curl_off_t max);
/* Get an unsigned hexadecimal number. Return non-zero on error */
int Curl_str_hex(const char **linep, curl_off_t *nump, curl_off_t max);
/* Get an unsigned octal number. Return non-zero on error */
int Curl_str_octal(const char **linep, curl_off_t *nump, curl_off_t max);
/* Check for CR or LF
return non-zero on error */