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Provide pgm_is() function

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Stefan Rueger
2026-06-26 13:34:01 +01:00
parent 8b889c97ed
commit 19cb0bdb60
2 changed files with 27 additions and 0 deletions
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1
src/libavrdude.h
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@@ -1750,6 +1750,7 @@ extern "C" {
char *str_quote_bash(const char *s);
const char *str_ccsharg(const char *str);
char *str_vectorname(const Avrintel *up, int vn);
int pgmid_is(const char *str);
int led_set(const PROGRAMMER *pgm, int led);
int led_clr(const PROGRAMMER *pgm, int led);

26
src/strutil.c
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@@ -1693,3 +1693,29 @@ char *str_vectorname(const Avrintel *up, int vn) {
return ret;
}
// Return whether pgmid matches str or any of str's programming mode variants
int pgmid_is(const char *str) {
const char *sufx[] = {"_tpi", "_isp", "_hvsp", "_pp", "_dw", "_jtag", "_pdi", "_updi", "_avr32"};
if(!str_starts(pgmid, str)) // Pgmid doesn't start with str: no match
return 0;
// Now that pgmid starts with str, is its remainder one of known suffixes?
const char *pend = pgmid + strlen(str);
if(!*pend) // Yes (empty suffix): str is same as pgmid
return 1;
// Lex arduino_as_isp (misleading suffix): arduino_as is not the programmer
if(str_eq(str, "arduino_as") && str_eq(pgmid, "arduino_as_isp"))
return 0;
// Lex jtag2isp/stk500pp: if the programmer name ends in a digit also skip the _
int digitend = pend > pgmid && pend[-1] >= '0' && pend[-1] <= '9';
for(size_t i = 0; i < sizeof sufx/sizeof*sufx; i++)
if(str_eq(pend, sufx[i]) || (digitend && str_eq(pend, sufx[i] + 1)))
return 1;
return 0;
}