899f2c5e62
- control: add `device_option_is_equal` - libcamera: provide human readable configurable options - v4l2: include camera control values - libcamera: store all applied controls - libcamera: use `device_option_is_equal`
54 lines
1007 B
C
54 lines
1007 B
C
#include "control.h"
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#include <ctype.h>
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#include <stdbool.h>
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#include <stdio.h>
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static bool isalnum_dot(char c)
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{
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return isalnum(c) || c == '.';
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}
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int device_option_normalize_name(const char *in, char *outp)
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{
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// The output is always shorter, so `outp=in`
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// colour_correction_matrix => colourcorrectionmatrix
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// Colour Correction Matrix => colourcorrectionmatrix
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// ColourCorrectionMatrix => colourcorrectionmatrix
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// Colour.Correction.Matrix => colour.correction.matrix
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char *out = outp;
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while (*in) {
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if (isalnum_dot(*in)) {
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*out++ = tolower(*in++);
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} else {
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in++;
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}
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}
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*out++ = 0;
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return out - outp - 1;
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}
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bool device_option_is_equal(const char *a, const char *b)
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{
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// Similar to device_option_normalize_name
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// but ignore case sensitiveness
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while (*a || *b) {
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while (*a && !isalnum_dot(*a))
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a++;
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while (*b && !isalnum_dot(*b))
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b++;
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if (tolower(*a) != tolower(*b))
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return 0;
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a++;
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b++;
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}
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return 1;
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}
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