lib: os: prf: correct use of istype functions
Character class functions from ctype.h may be implemented as macros where the argument is used to index an array of class flags. Using a char value as an index produces diagnostics in some toolchains. Explicitly cast the parameter to the type required by the API. Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
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1 changed files with 7 additions and 7 deletions
14
lib/os/prf.c
14
lib/os/prf.c
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@ -234,7 +234,7 @@ static int _to_float(char *buf, uint64_t double_temp, char c,
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if (exp == 0x7ff) {
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if (!fract) {
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if (isupper(c)) {
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if (isupper((int)c)) {
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*buf++ = 'I';
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*buf++ = 'N';
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*buf++ = 'F';
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@ -244,7 +244,7 @@ static int _to_float(char *buf, uint64_t double_temp, char c,
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*buf++ = 'f';
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}
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} else {
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if (isupper(c)) {
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if (isupper((int)c)) {
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*buf++ = 'N';
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*buf++ = 'A';
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*buf++ = 'N';
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@ -426,7 +426,7 @@ static int _atoi(const char **sptr)
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const char *p = *sptr - 1;
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int i = 0;
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while (isdigit(*p)) {
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while (isdigit((int)*p)) {
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i = 10 * i + *p++ - '0';
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}
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*sptr = p;
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@ -499,7 +499,7 @@ int z_prf(int (*func)(), void *dest, const char *format, va_list vargs)
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width = -width;
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}
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c = *format++;
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} else if (!isdigit(c)) {
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} else if (!isdigit((int)c)) {
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width = 0;
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} else {
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width = _atoi(&format); /* Find width */
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@ -603,7 +603,7 @@ int z_prf(int (*func)(), void *dest, const char *format, va_list vargs)
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prefix = 1;
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}
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clen += zero.predot + zero.postdot + zero.trail;
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if (!isdigit(buf[prefix])) {
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if (!isdigit((int)buf[prefix])) {
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/* inf or nan: no zero padding */
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fzero = false;
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}
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@ -752,7 +752,7 @@ int z_prf(int (*func)(), void *dest, const char *format, va_list vargs)
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count += clen;
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if (zero.predot) {
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c = *cptr;
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while (isdigit(c)) {
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while (isdigit((int)c)) {
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PUTC(c);
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clen--;
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c = *++cptr;
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@ -775,7 +775,7 @@ int z_prf(int (*func)(), void *dest, const char *format, va_list vargs)
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}
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if (zero.trail) {
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c = *cptr;
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while (isdigit(c) || c == '.') {
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while (isdigit((int)c) || c == '.') {
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PUTC(c);
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clen--;
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c = *++cptr;
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