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device_option_normalize_name strips non-alnum and lowercases

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This commit is contained in:
Kamil Trzcinski 2022-04-12 14:36:12 +02:00
parent 14126985f3
commit 0a10a8ba59
1 changed files with 5 additions and 13 deletions
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18
opts/control.c
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@ -2,28 +2,20 @@
#include <ctype.h> #include <ctype.h>
#include <stdbool.h> #include <stdbool.h>
#include <stdio.h>
int device_option_normalize_name(const char *in, char *outp) int device_option_normalize_name(const char *in, char *outp)
{ {
// The output is always shorter, so `outp=in` // The output is always shorter, so `outp=in`
// colour_correction_matrix => ColourCorrectionMatrix // colour_correction_matrix => colourcorrectionmatrix
// Colour Correction Matrix => ColourCorrectionMatrix // Colour Correction Matrix => colourcorrectionmatrix
// ColourCorrectionMatrix => ColourCorrectionMatrix // ColourCorrectionMatrix => colourcorrectionmatrix
char *out = outp; char *out = outp;
bool upper = true;
while (*in) { while (*in) {
if (isalnum(*in)) { if (isalnum(*in)) {
if (upper) { *out++ = tolower(*in++);
*out++ = toupper(*in++);
upper = false;
} else {
*out++ = *in++;
}
} else if (isprint(*in)) {
upper = true;
while (*++in && isprint(*in) && !isalnum(*in));
} else { } else {
in++; in++;
} }