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strparse: switch the API to work on 'const char *'

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The functions are not meant to touch the input anyway.

Closes #16316
This commit is contained in:
Daniel Stenberg 2025-02-13 09:00:08 +01:00
parent c1341813bd
commit 92611f2a56
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GPG key ID: 5CC908FDB71E12C2
8 changed files with 43 additions and 41 deletions
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18
lib/strparse.c
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@ -26,10 +26,10 @@
/* Get a word until the first DELIM or end of string. At least one byte long.
return non-zero on error */
int Curl_str_until(char **linep, struct Curl_str *out,
int Curl_str_until(const char **linep, struct Curl_str *out,
const size_t max, char delim)
{
char *s = *linep;
const char *s = *linep;
size_t len = 0;
DEBUGASSERT(linep && *linep && out && max && delim);
@ -51,7 +51,7 @@ int Curl_str_until(char **linep, struct Curl_str *out,
/* Get a word until the first space or end of string. At least one byte long.
return non-zero on error */
int Curl_str_word(char **linep, struct Curl_str *out,
int Curl_str_word(const char **linep, struct Curl_str *out,
const size_t max)
{
return Curl_str_until(linep, out, max, ' ');
@ -60,10 +60,10 @@ int Curl_str_word(char **linep, struct Curl_str *out,
/* Get a "quoted" word. No escaping possible.
return non-zero on error */
int Curl_str_quotedword(char **linep, struct Curl_str *out,
int Curl_str_quotedword(const char **linep, struct Curl_str *out,
const size_t max)
{
char *s = *linep;
const char *s = *linep;
size_t len = 0;
DEBUGASSERT(linep && *linep && out && max);
@ -87,7 +87,7 @@ int Curl_str_quotedword(char **linep, struct Curl_str *out,
/* Advance over a single character.
return non-zero on error */
int Curl_str_single(char **linep, char byte)
int Curl_str_single(const char **linep, char byte)
{
DEBUGASSERT(linep && *linep);
if(**linep != byte)
@ -98,14 +98,14 @@ int Curl_str_single(char **linep, char byte)
/* Advance over a single space.
return non-zero on error */
int Curl_str_singlespace(char **linep)
int Curl_str_singlespace(const char **linep)
{
return Curl_str_single(linep, ' ');
}
/* Get an unsigned number. Leading zeroes are accepted.
return non-zero on error */
int Curl_str_number(char **linep, size_t *nump, size_t max)
int Curl_str_number(const char **linep, size_t *nump, size_t max)
{
size_t num = 0;
DEBUGASSERT(linep && *linep && nump);
@ -125,7 +125,7 @@ int Curl_str_number(char **linep, size_t *nump, size_t max)
/* CR or LF
return non-zero on error */
int Curl_str_newline(char **linep)
int Curl_str_newline(const char **linep)
{
DEBUGASSERT(linep && *linep);
if(ISNEWLINE(**linep)) {